6.2L LS Equal Length Headers with NASCAR Tri Y Collectors! Equal vs Unequal (Science of Sound Pt2)

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In the last video we sound tested the Morgan-McClure x pipe boom tube exhaust with the regular speed engineering LS swap headers on the car and it did not sound right. I theorized the massively unequal length headers were the culprit for the less than desirable raspy sound. I have spent the last month or so of my free time custom fabricating equal length headers by cutting up the old ones! The spread from longest to shortest primary is less than 1.5" across all 8 cylinders. They feed into used NASCAR tri Y (4-2-1) collectors into the exact same Kodak car x pipe boom tube exhaust from before. Will it change the sound? Lets find out!
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[@Stapleton42]

Did the results surprise you? In the next part of this science experiment we will get the car out on the road and sound test boom tube exits vs standard oval tube exit connected to the same x pipe! More fabrication to be done 💪🏻 Boom tube shirt link Stapletonautoworks.com

[@chrisbali5246]

Nice and clean sound.Thanks for posting you're hard work!

[@Scooty_scoob]

Sounds awesome making or modifying headers is a pain. At least with the tools I have. When I saw the first video of this series I knew that #4 xpipe was the way. I made something kind of similar using 2 180° bends and added the crossover tubes. Had to modify some Ram long tube since no one make them for Dakotas. Hopefully it sounds similar to your set but a little quieter. One last thing you should look up david vizard. He was written tons of books and hotrod articles. He also has a youtube channel There is an article from one of his books on headers and exhaust. It covers primary tube diameter and length. Plus secondary diameter and length. According to David the primary length is not too important. Just try to prevent all exhaust pulses for entering the collector all at one time. According to David the secondary is where all the magic happens. He give charts based on cfm flow of the exhaust port and approximate hp or tq. I can't find the article right now but if I stumble on it again I'll link it.

[@rodney1818]

LOL just kidding about time you quit running around and hanging out with famous people and got back to work

[@rodney1818]

Trust me I'm crazy you're not even approaching it buddy 🤣

[@johnsnow1355]

It sounds awesome 😁

[@jordanwidelitz8093]

My dad's friend is dying from cancer and your channel shows me all of the old Nascar stuff I seen when I was a kid I used to go over to his house and he would race late models crazy . Thanks for this channel. You are amazing man.

[@Stapleton42]

Thank you Jordan. That’s an awful situation 😕

[@ackilbits]

I have to say I prefer the sound of the equal length headers, curious to see how the blower is gonna sound under load though 🤔

[@JaredR1996]

This has become my favorite car on the channel. I’m such a fan of the classic vehicles. Especially ones where people try to make their cars sound like race cars for the street. Keep it up Stapleton and Logan

[@Stapleton42]

Thank you so much Jared we appreciate you!

[@JaredR1996]

@@Stapleton42 ur welcome 👍

[@DaveWrightKB9MNM]

You're not crazy. You're dedicated. I was that way when I was trying to make a Quick Release for my Steering wheel base. Finally gave up, only because I was tired of it dragging on and I couldnt think straight. You know what else would be cool, retread some racing tires for the street, or not, but those would look awesome on the MC!

[@ejgrant5191]

Look in the Hoosier tire catalog for some tires that will give you "stick" while staying "DOT Legal".....or Dunlop Vintage Race tires can fill the void....Hate giant azz wheels on Vintage Hot Rods myself.....

[@jesserojas2576]

I can still remember when the channel was at 48k and now it’s at 214k let’s go!

[@bluetoes591]

Your dedication to NASCAR sound science is the best. Love how much work you've put into these videos.

[@Stapleton42]

thank you so much man

[@henrywal]

Boomtube

[@KaminerRacing]

Man well done on the equal length headers. I have owned a few off the shelf "equal length" headers but watching you explain how your thought process went into the final product made perfect sense to me. The sound difference to the casual person probably was nothing big but what a huge difference it actually made. The up and down was so crisp and clean now. Can't wait to hear it on the dyno or out on the road under some load. Side bar, how about that power stance at 24:52 haha Keep up the awesome work, excited to see the rest of this series and get even more ideas about building sound profiles for different engine combinations.

[@Stapleton42]

Thank you Josh!

[@Mart77]

7:05 - yep i'm still following and having same thoughts, main idea is to pair cylinders that are as far apart as possible in the firing order. Gases going past the "emptiest" tube will scavenge a vacuum in it, helping exhaust to have better flow

[@j.t.cooper2963]

Equal length headers with triple-y's are always the way to go. IMO. The search for perfection is always relentless.

[@jeremiahjohnson6583]

The sound you are going for is one I fell in love with when I was 4 working with my dad on my uncles race cars. I will use these videos for reference on what to do and I showed my dad and he wants to change his GTO exhaust because of this video. Thank you for the info and All the fun I had watching you guys.

[@Stapleton42]

Thanks man!!

[@dennislamers986]

I was a pipefitter so I've had to make things fit. Usually the pipe size was bigger. If you think all this was worth it than it was. You learned so much. The welding looked good. I would like to see you "walk the cup". Can I suggest using a drill to sharpen the tungsten. Also sharpen both ends so you can flip it over if you don't booger it up too bad. Good job man.

[@rolokyber]

Mitchell, you’re a mad scientist when it comes to header comparisons. I want to ride in the Monte with the windows down at 7000 rpm’s.

[@Andrewlang90]

The equal length sounds much cleaner. Without that rasp of the unequal length, it’s just a cleaner sound to it. Love it, can’t wait to hear it on the road under load

[@Stapleton42]

I totally agree!

[@trashbandit2449]

@@Stapleton42 definitely get a lightweight flywheel as well to make it sound even more like nascar

[@ggbuck2625]

You asked if you were crazy or not. Yep, you're crazy. Crazy dedicated, crazy hard working, and crazy skilled to accomplish what you set out to do. Was it your most exciting video. Nope, but you've made other super detailed videos about accomplishing a task. That's why we all turn in Mitchell. Keep up the great content.

[@Stapleton42]

Thanks dude. I guess there’s a time and place for everything 💪🏻

[@thatcarguy0710]

first, can you buy me some chicken tenders bro?

[@Stapleton42]

naw

[@briankirk3558]

Much better sound with equal length headers, absolutely love the Monte Carlo, u guys are amazing, can't wait for the next video

[@jamiehess6443]

I don't care what anybody says, your attention to detail is astounding. I understand that it seems like a boring thing to probably most of the people but I find it very intriguing. If you're going to do it, you might as well do it right, and as long as it takes. I love the other videos on the NASCAR history, but I kind of miss the build videos. Can't wait to see you tear into Logan's rod. P.S. you are not crazy!

[@garypassmore2349]

Keep them Monte Carlo videos coming! Can't wait to see more on the progress. Keep doing what you're doing, awesome content 👏

[@jamesmcdonald5247]

Great content interesting to see if its affected the power characteristics.

[@So0nerMag1c]

You’re not crazy at all. Hat is off to your dedication and determination. Keep kickin butt man!

[@johnsnow1355]

On thing I would suggest is find some local bands that want there music promoted on your channel for the time lapse music instead of the generic no copywrite KZbin stuff.

[@ldftrdnk]

Sound nerd here….awesome to know someone else was fascinated by the sound that 4 car made back in the day. Trying to duplicate it & having the opportunity to talk to McClure’s folks is flipping amazing. Solid work man, hope the hard work pays off, sounds like you’re in the ballpark.

[@Storyracing387]

You can nerd out on just about any aspect of a car. You're not crazy, you want something the way you want it. The fact you're sharing it with the rest of us that care, speaks to the fact you want to share knowledge.

[@jasongrady4964]

2 months later and I just saw this. I don't know how to weld or fabricate, but I really appreciate the effort you went through to satisfy yourself. That's the stuff that makes life enjoyable. There was a noticeable difference that will definitely pay your emotions every time you drive it. Congratulations!

[@rickcooper6817]

She's sounding good. Can't wait till you let us know how much difference it makes on the road in the torque and power department. Keep it up guys!

[@christopherjohnson520]

Yo dude you're not going crazy I'm still watching and it sounds soo smooth decelerating it's amazing! can't wait to get to see a road trip out of that bad girl! Go to the racetrack!

[@miller8408]

I gotta say I love the dedication here and it was not only entertaining but educational and I vibe with it.

[@Stapleton42]

thanks man!!

[@c.johnweir182]

I can definitely hear the difference between the old headers and the new headers. You did an amazing job and I know it took you some time to do this and I bless you for doing this and I love this video. I love that you showed every little bit of it too all the way to the welding what you need to do to get it welded adding length getting it all to the way it needed to go. Now boogity boogity boogity, Let's go racing.

[@Stapleton42]

Thanks man!!

[@jyminewtron1416]

Im glad to see someone who is obsessed with the perfect sound like I am, everyone says just put a regular system on it but I like unique sounds and exhaust runs.

[@Stapleton42]

Thanks man!

[@gac914]

Sounds much better with the equal-length setup. I think it was worth the effort. Did I hear you right that you're NOT going to flow those into the boom-tubes? Those tubes look pretty damn cool under that Monte! Also, how many guys can say they tigged their own headers together sitting at the bench next to their Rolls Royce??? 🤣🤣👍👍

[@Stapleton42]

No boom tubes at first. So we can sound test with standard oval pipe like an iroc car then put boom tubes on and compare!

[@LuvMyGT500]

I’d love to see you make a custom 8 into 1 header. Such a unique sound they make, almost Indy like.

[@trashbandit2449]

Not really possible on a feint engine car like this, realistically. This is as close as he's going to get. Maybe crossover headers but he would have to do lots of cutting on the body

[@sc358.]

I've gotta 70 Chevelle and I'd like to put an 8 into 1 setup on a BBC in it. Probably gonna be a piping nightmare and may loose some power but think it'll sound cool.

[@DownwardFlame]

@@trashbandit2449 it's doable. Like on Tanner Foust's drift Passat. It has an LSX with an 8 to 1 header. But it also has a rear mounted radiator.

[@trashbandit2449]

@@DownwardFlame that's why I said realistically. There's a couple out there, but they're either mid engine or they have it coming out of thehood, poor clearance, no fluids in the front. Love the sound, sadly not worth it unless mid or rear engine

[@declan2775]

found this series via the boom tube explanation video, thoroughly enjoyed the following videos. Learned lots, and your attention to detail and dedication is contagious. I want to work on my car now. subbed and looking forward to the next one

[@Stapleton42]

Heck yeah man thats what we like to hear! Build something awesome!

[@4fanintexas]

That's dedication man. Your attention to detail and determination to "get it right" is what makes it all pay off. Keep up the great work. This is very interesting to follow. Equal length is definitely my favorite.

[@Stapleton42]

Thanks man we appreciate you!!

[@OutCastCrawling]

Crazy I don't think so. Determined, yes. I love following these videos cause you show if you push you can make stuff happen.

[@johnsnow1355]

Give this guy a like for not being a hack and actually purging his welds!!!!!!! So many hacks on KZbin never back purge there aluminum, Chrome Moly or stainless welds.

[@Stapleton42]

I am not a hack 💪🏻😂

[@theotherbrent]

It sounds great but it didn't sound bad to start with. I'm waiting to hear it on the road. That's where it matters. Excited to find out what Logan's new/old car is.

[@MM_in_Havasu]

Very cool! Sounds like a great project, and you will get these headers to work well. Appreciate the video content immensely, and am there with you virtually, only wish I could help with my 45+ years of mechanical experience! Thank you & Logan for your continued efforts with your videos!😎👍🌵🌴

[@Stapleton42]

Thank you Mark!!

[@jd2181]

You are crazy. Crazy for the sound. Which I get. Once heard a straight pipe 427 Shelby Kit car at a SCCA race. Can still hear the car in my head 20 years later

[@dmncanter]

Bored? This is the best thing ive seen all day! Lol. Ive been waiting for someone to test all these random exhaust tricks so i can learn it all! Once i saw how much a of difference an x pipe alone can make, ive been hooked on the art of exhaust!

[@cmr189psu]

I think the sound once it is on the road is going to be drastically different. It will have that old school sound, with a bit of difference.

[@sadiejustin]

I'm a simple man. I see a Stapleton video, I immediately hit like, then I watch and enjoy!

[@Matthew_Oden]

man that's a ton of work in them headers they sound a lot better in my opinion though it has a much cleaner sound excited to see what the car sounds like on the road

[@senditc20]

This is some amazing work I honestly thought the original swap headers sounded great but you proved me wrong awesome work now I know what I’m gonna do 97 z28

[@matthewserrao2926]

Dude! A fun, albeit difficult but awesome sounding build: equal length, 8-1 rotary firing headers. Michael Cox has a set on his bronco (Before the drift lords & jetboats), but the equal length tubes firing 1-8 into one clockwise sounds amazing!

[@joecameron3406]

You're not crazy. Have all the other experimental pieces ready when you go to the dyno. It would be interesting to see where peak hp occurs. Nascar land can be quite addicting they squeezed every last bit outta everything LOL

[@closetpicker]

What you're describing in the recording differences is how each device's software handles what in recording terms is called "compression". Since your channel is now quickly become a channels about sound, you should invest in some dedicated sound recording equipment, like some of the Zoom devices, and learn to add and sync the audio to the video. You don't have to spend a lot on a zoom recorder and decent mic.

[@Stapleton42]

That is a good idea!

[@c.johnweir182]

God this is so amazing... I love every minute of this...

[@chadchoate]

Steve talks about a LS cam with a SBC firing order ground cam around the 3 minute mark. Also make a dyno pull, I think it's pretty close to what your looking for... kzbin.info/www/bejne/e3i3c56ViNKnaJY

[@Stapleton42]

Good catch. The new engine we’re doing for the Monte is LS based but will actually be the old school firing order.

[@clifftonarnold6989]

What ever it takes to make it sound right, is worth it.👍

[@jeffbrewer684]

Od course your a bit crazy ... All the best ones are ... Think about your story ... Youve done some crazy shit lol

[@Stapleton42]

Definitely 😂

[@terryvuylsteke2434]

Mitchel, first off, you're not crazy, 2nd, awesome video as always, and 3rd the equal length headers add a crisp tight sound... perfect brother!!! As always, cheers from Canada.

[@Stapleton42]

Thanks Terry!

[@mrray55]

The new pipes come very close to giving it the same sound as a carbureted motor. A swift cut right at the off throttle. Great work Mitchell.

[@Stapleton42]

Great point!

[@shaunlatter5263]

Love the welding power stance. N them new headers sound so much better. Great work 🤙

[@drivingmonkeyofus6239]

Hey man, might be a bit late on this, but have you checked out Icengineworks header modeling system? They have a few different kits but their turbo modeling kit has a mode that can allow for easy (relatively speaking) assurance that the sections will be equal centerline length. Trick-tools has a couple videos on them, and it seems they can really help take the headache out of the process. My idea is to measure the clearance between vital components and get a jig mocked up to make the work easier on my back and not have to slide in and out from underneath the car as much. Over the past few months, I have done an insane amount of research into equal length V8 headers. Nick Kautz and a few others are absolute geeks about exhaust sound tuning.

[@RearEngineShop]

And just like that I want to rework the headers on my 3800 supercharged v6 swap in my Fiero. Sounds awesome!

[@timothybragg7983]

The hard work and dedication has paid off. Thanks for sharing your knowledge. Equal length sounds better for sure.

[@Marks-Law]

Your OCD was very strong on this episode. I think your newest header homologation sounds great on passenger side. I look forward to hearing it accelerating. Sincerely hope this works.

[@jayh4185]

You're not crazy, you're doing something that you want to do. Keep it up👍👍👍👍👍

[@Stapleton42]

Thank you Jay we appreciate you!

[@collinsmith7163]

Dang that sounds good 🔥 can't wait to hear this thing ripping on the street!

[@gcrauwels941]

You're a car guy. You're crazy like the rest of us.

[@bcg462]

You've done it again I've never really thought about how the mechanic's of the tubes work I just know what sound good I haven't built my own headers before ( I just got into welding ) so I've always just bought my headers now I want to make some THANKS FOR INSPIRING ME.

[@Stapleton42]

Heck yeah man!!

[@darrenobrien7667]

I'm watching your welding sequence and seeing you clean/sharpen the tungsten every time you dipped it made me want to share something I do to prevent that. I tend to break my tungstens into 3 or 4 pieces when I pull them out of the package and then keep a half dozen of them sharpened up. That way I don't have to get up when I dip. I can just swap tungsten and keep on rocking. Saves having to reposition yourself and get comfortable again. I find it is not just a time saver but also saves a lot of frustration getting set back up after sharpening.

[@Stapleton42]

Thats a good idea

[@Luke28_01]

you might be a little crazy but hell i am too.. and normal people don't make cool things so being crazy is why you have the channel you have and why we all love watching ur vids. and also why you have some of the sickest cars on youtube.. AND THE HEADERS SOUND AMAZING!!!!!!

[@travishanson166]

Equal length definitely sound more "even" and the lower frequency notes aren't colliding near as much. The higher frequency sounds aren't as sharp and I think overall a little quieter as the x pipe is able to tug on pulses better.

[@mitchcoop1]

unless you are running a flat crank (ie equal º spaced pulses coming out of individual head) 5" sounds right. check it out, there is literature out there. Probably in Smokie's book too.

[@ericschumacher5189]

Awesome!!! As a fellow sound-nerd I got a few suggestions that may be helpful in your journey to emulate NASCAR sound... 1.) The primary vs. tertiary length of 4-2-1 headers has a lot to do with the engines cam events; VERY generally speaking you could manipulate the sound a bit by changing the length of ONLY the 2-1 portion of the collector, and based on my experience you may get more of the sound you want if you were to SHORTEN the 2-1 portion of the collector by a few inches IMOP. 2.) The 5" primary length difference "acceptability" you mentioned on cup-car headers was done intentionally by SOME teams to attenuate pulse arrival times to the collector, and to compliment the differences in intake runner lengths of a traditional single plane carbureted intake manifold; per the SBC firing order cylinders 4, 6 & 7 was be a bit longer, 2, 3, & 5 was be a bit shorter compared to the "nominal / ideal" length of # 1 & 8 primaries....this could be partially "simulated" cheaply is with a temperature difference of each primary due to the speed of sound by fully wrapping 2, 3, & 5, then only partly wrapping cylinders 1 & 8, and NOT wrapping 4, 6, & 7 at all with heat wrap.....this theoretically should smooth the sound if applied to the CORRECT cylinder #'s on your LS, using the SBC firing order (the idea was it increased time between pulses of 90-degree separated cylinders / shortened time between pulses of 270-degree separated cylinders, within each bank individually, making it more like a 180-degree header). 3.) The choke diameter of the final merge of the 2-1 collector is based on a bunch of factors, but its purpose is mainly to act as 1-way check valve to limit reversion; given your LS has different exhaust pulse velocity / volume & temperature compared to a cup-car engine, that COULD be partly responsible for the reversion burbles "aka-down-tone" difference. A product designed to combat reversion is (AR-chambers), and they're added to the end of the collector like an extension.....Schoenfeld, Hendren Racing, DynaTech, & ProFabrication all market them as "anti reversion mufflers"......Given it would be an experiment / may not result in the sound change you're looking for, I'd pick Schoenfeld purely from a cost perspective, if you decide to give it a go. Keep up the good work 👍 I'm excited to see the upcoming videos on this project!!!

[@Stapleton42]

That’s very interesting! I was told in a perfect scenario the secondary 2-1 pipes should be the same length as the primaries but that is something we are going to experiment with for sure. Superspeedway cars had long ones. It seemed to be longer than other configurations. The ones on this car were labeled superspeedway with a piece of tape when I got them. Whatever that’s worth 😂

[@ericschumacher5189]

@@Stapleton42 There's a lot involved in the primary vs. tertiary lengths / ratio's......I don't claim to be an expert though I've studied on this topic a fair bit, but I don't think I could articulate it clearly without it being really long.....i can say; if you look at 4-2-1 header designs "over-time" the trend has been primary lengths getting longer and secondary lengths getting shorter as engine technology has progressed.....the primary progression of the last 30-years or so has been in cylinder heads, and these airflow improvements have lead to cam events (in general) being more radical and with less duration than in the past.....with less duration, there is (in general) less overlap and LCA's have trended wider, therefore the cylinder to cylinder interference & scavenging window in crank degrees has changed quite a bit as well........there's a fair amount of info on Speed-Talk in post by "Exhausted" (Calvin Elston) if your interested in the theory as to why.......My theory is the Super-Speedway-Cup-Engines probably have very nonconventional valve events / camshaft compared to there non-restricted short track engines to combat the effects of the restrictor plate, and this is likely part of the reasoning for the specific lengths / ratios picked.........The ONE thing I can accurately confirm though, is the total length of a 4-2-1 header should be similar to a 4-1 header if you intend it to be tuned to the same RPM operating range, so the final length with the 2-1 collectors on should be measured on your setup (IMOP anything from 28" to 38" should work fine but, will "tune-in" from 4500-rpm to 7500-rpm on depending on the length vs. cam events)......final note on the ratio's, take the measurements from the 4-2-1 Yates-ARCA & Dodge-Cup headers you have, the length of the primary's is likely 2X-to-4X the secondary's length, possibly due to the reasons I mentioned above.

[@veganjoy]

@@ericschumacher5189 as someone who's very interested in the way engines sound, whats the best place to read up on header design? for me the sound comes first, even above power so it's hard finding hardware that sounds the best

[@ericschumacher5189]

@@veganjoy sorry for the double reply; I misread your post.....the best reading on header design is on the website SpeedTalk contained in posts and threads by Calvin Elston "Exhausted" is his profile name. In terms of the sounds produced by different header designs, the primary sound a header will make is controlled by the engines architecture and it's firing order, beyond that the sound can be manipulated "somewhat" by how equal the lengths are of each header primary, and how they collect together (basically how smoothly each pulse follows the next).....an extreme example for better understanding is compare the sound of a Subaru Boxer engine with a factory UEL manifold vs. an EL manifold, then compare any Honda with a 4-1 vs 4-2-1 header.....If you have any questions on an specific application I can try to help answer you here, if I have experience with it.

[@veganjoy]

@@ericschumacher5189 speaking of boxers, i looked at UEL headers for BRZs a while back and they didnt get the subie rumble like a WRX as far as i could tell. thought that was weird. the crappy engine sound is one of my biggest complaints about those cars. but yeah i've got a c6 vette so i've always had my eye on good headers, mine just has whatever cheapo one the previous owner slapped on. sounds good but not great. seems like fitment is cramped for vettes though so not a lot of options. 180 degree headers would be extra cool but i dont think anyone's figured out packaging for that in a vette. other thing is i'm planning on getting a k20 civic soon and i'm hoping i can avoid making it sound terrible like most hondas lol. it'd be cool if i could get it sounding like my buddy's cbr600 but i'm guessing there's something inherently different between car and motorcycle engines besides size

[@realbigveggie]

OCD sound guys totally understand this. 👏🏻👏🏻👏🏻👏🏻👏🏻👏🏻

[@ohcrapwhatsnext]

Your amazing.... the stuff you are doing will make history someday.... awesome your hair got longer, lol

[@joshuapaulsen7414]

Another awesome video. Mitchell, and Logan...you guys are the best and I can't wait for the future vids. Always look forward to you guys and the happiness you bring to all of us. Really does makes some/most of our days.

[@captainboose8788]

Wow, I gotta say, that made a way bigger difference than I would have guessed, I'll definitely have to look into equal lenghts for my upcoming projects

[@stevenlaxton3618]

Oh you're certainly crazy...but that doesn't mean you're wrong hahaha just means you're likely too crazy to know when to quit and that means we will probably have lots to watch for a long while. Thanks man for the killer content,solid entertainment and useful knowledge!

[@GasHoggInc]

You're crazy but you're the kinda crazy that makes sense to car people. Welcome to the club, we got hats. Lol

[@jefferyrobertson7520]

Thanks For Uploading I Like Dual Exhaust From The 70s 80s And Early 90s NASCAR Engine

[@Stapleton42]

Thank you for watching Jeffrey!

[@mitchellholroyd2837]

You're not crazy. Just really passionate about what you are trying to do.

[@williampatterson7851]

Live the Monte Carlo vids you're gonna make me buy one lol besides my crappy FWD 2003 Monte Carlo

[@jeffj7857]

You are a little crazy, but I enjoy watching people nerd out over something that they enjoy. I also enjoy math and trying to figure out problems, so I'm probably a little crazy too.

[@crazylarryjr]

Just a heads up if you didn't know, a stock LS exhause port configuration matches almost exactly a ford. Heard of many prople cutting off the flange on ford headers to put an LS into mustangs, If all nascar type headers are pretty much the same as far as shape and would fit your car, then maybe find a ford Nascar type from the 90's nascar cars and adapt as needed

[@chesspiece81]

Since you felt like the Dr Gas Boom Tubes sounded the same as the Nascar setup then throw the Dr Flatulence Boom Tubes back on and keep rocking the Voom Tubes

[@johnsnow1355]

The size of the tube dose not really affect the horsepower. Engine master with David friedburger proved I can bash a pipe to half it's diameter and the HP is exactly the same.

[@scottmulrooney8483]

Quite a different sound! Love the = length headers, fantastic job! Looking forward to hearing dyno pulls and street runs.

[@Stapleton42]

Thanks man!!

[@inspectorbusiness4892]

Check out videos explaining the tesla valve.! Once you have them to the extension for the exhaust tip. Build your own chambered tail pipes. You will see what a boom tube is like on the inside, so you can control the sound.

[@xozindustries7451]

Aside from that insane white trans an with the 8-1 180 degree headers that’s now the best sounding LS I have heard on video. Good job man

[@natrlhigh]

Crazy is all relative, I mean... I jump out of airplanes!!! So who's crazy...

[@greymarket6834]

3:13 is why i give these people my money. don't sit around and question or doubt yourself. you will be surprised what you can do and learn just by trying. school isnt the only place and only method to learn. life is about learning and gaining skills and knowledge. knowledge is power.

[@rydplrs71]

It sounds much better. I had a few friends build Monte Carlo’s of that generation. They were all unbuilt by trees or telephone poles. Hopefully your luck is better.

[@lucasblanchard47]

Dang that sounds awesome, love this car build! Great content as always, much love from Texas!

[@emerymayoros9217]

Not crazy. A quest for more knowledge and understanding, is wise. I’m goofy in the way of trying to figure things out, how they work as they do, and why.

[@markrhoades8822]

You didn't waste your time. The full length sound better at least from a recording. I'm sure it sounds better in person. Kinda like how bass sounds in person vs a recording. It would be interesting to see what the difference is with a decimal meter.

[@StiffysRodShop]

Your channel has quickly become one of my favorites. Would love to see BendPak provide you with a two post asymmetrical lift!

[@Stapleton42]

That would be cool! We need another one bad

[@josephstavola4583]

Keep it up I live this stuff I am In the process of building my 66 c10 with a 400 Cornett motor its a super late model engine company

[@obbyjep7597]

Nice job! They both sound awesome I appreciate how much work goes into building these. I think the equal length headers sound really nice

[@Stapleton42]

Thanks man!!

[@413-massmelopitboss5]

You are the man!! Need my set!@

[@sterlingdalley8650]

Us like minded people love chasing the rabbit down the hole lol. Because we have to know. I’ve been waiting for this video so many possibilities.

[@Hammar89]

I wonder how my ISF would sound with this setup. Obviously not the same with a smaller V8 (5.0L) dohc and completely different firing order but it would at least come to life. Its stock and you would never know its running when it idles 😢

[@kirkhaag4499]

Dang Mitch you showed her car on this video too. Lol 😂!! Love the sounds now on the equal length headers. Great job!!

[@xerolift]

you're not crazy. it would seem that the cylinders are paired based on how they would scavenge each others primary based on the crank timing.

[@Dan24943]

I once added a loop downstream of the passenger side headers on a GMT800 to try to equal out the length of the pipes prior to coming together with an X-pipe. Back in 2005 it was the best sounding GMT800 out there. I love videos like this because most people don't understand it until they see it. In my case, people thought I was nuts that I even had the idea until they heard the truck.

[@Stapleton42]

That’s so true man. Those things always sound raspy from the unequal exhaust driver side crossover… I want to redo the Escalade to get its setup more equal than it already is 😂

[@nathanielblake6062]

I was waiting for the SpongeBob cutaway of the French guy saying "5 days latter"

[@TheJagjr4450]

It sounds wicked... the higher pitched sounds more like a flat plane.