My thoughts on the Cam challenge!

In this episode we talk about the cam challenge
Powellmachineinc.com
/ @weingartnerracing
wengines.com/
/ @powellcams

[@lykinsmotorsports]

That's the exact same reason I'm entering. Data. Data helps us all. Excellent point about the guys who do nothing but cams, it's an educated/experienced guess based on previous engine data. You don't know what you have until it's compared against something else. Good luck to you sir!

[@powellmachineinc]

Facts 💯!

[@peskypeet]

Now that's a great response!

[@adampatterson707]

As David Visard says, I don't have opinions, I have a Dyno.

[@powellmachineinc]

@@adampatterson707 but he doesn't....

[@craig8187]

For sure. To win woukd be great but winning is secondary to the learning, data and knowledge for all. Good luck to all that enter.

[@dynamicmotorsports509]

I 100% agree! That is why I sent a cam in as well. I think this is turning into something pretty cool. If, for some reason, I were to win something in the contest (which is not really even my goal), I will just donate it back. I think we are ALL going to be better off, from a knowledge standpoint, after this thing is finished.

[@powellmachineinc]

Facts!

[@Huntinghogs]

I think your channel, Eric W channel, Richard Holdner and Steve Morris’ channel are the most informative engine channels on YT. The amount of knowledge shared is tremendous. Shade tree mechanics like me can learn an awful lot.

[@powellmachineinc]

Glad it's helpful !!

[@hotrodray6802]

AGREE add Vizard 👍

[@Turbo4Joe363]

and add Brent Lykins at Lykins Motorsports.

[@Huntinghogs]

@@Turbo4Joe363 I’ll have to check his channel! Thanks!

[@xr7coug]

I think this challenge will be one of the biggest things for motorheads in a while. Looking forward to see all the results

[@powellmachineinc]

Couldn't agree more

[@dannydurham5716]

I paid $20 and told him to make sure he does both of your cams Love both you guys

[@powellmachineinc]

Tyvm!

[@tjakr3869]

@@dannydurham5716 I gave $20 also. Hope it helps. I know very little about engines but I love tests like this. Sure it’s a competition but the outcome will be great for everyone regardless of where they finish. I hope there is a follow up to this competition. One thing I am curious about is I wonder if a lower placing cam could actually do better on the track in an identical car?

[@juniorwhelchel6337]

What is Eric's channel name of u don't mind me asking

[@chriswise1232]

​@@juniorwhelchel6337Weingartner Racing

[@MrMotorNerd]

@@juniorwhelchel6337 kzbin.info/www/bejne/bpSqq3idlrtofac

[@jimlathrop8603]

I really appreciate all the information I get from you guys. Just wanted to say thanks for all the work you do!!!

[@powellmachineinc]

Our pleasure!

[@lazyhoundracing9621]

Thank you for taking the time to make this video. Good luck. I'm rooting for you.

[@powellmachineinc]

I appreciate it!

[@DiscoVette81]

So far everyone I have seen post about entering has done so with complete humility. I love to see folks that somewhat compete with each other join together for something fun, that will also drive data to help us all. Good for all of you.

[@powellmachineinc]

Absolutely, that's the goal

[@genocide98]

I love the attitude here. what a great community project.

[@powellmachineinc]

Definitely

[@garyhosier4765]

Yep. I don’t expect one cam to just run off with HP or Tq. I’m just excited to see the numbers. I had no idea how interconnected all these channels are. Glad summit is in also. Makes me want to support Summit. Good luck

[@powellmachineinc]

Ty

[@doncarlson8391]

One accurate dyno test is worth more than an internet full of opinions. Empirical data is what it's all about. Good luck Daniel, I was really glad when I heard you entered and the bonus was you had 2 cams.

[@powellmachineinc]

Absolutely, tyvm

[@peskypeet]

I believe you're 100% correct. This contest will probably only help all parties involved. I've been sub'd to you for a while now as I enjoy the info and you're laid back style. You're subscriber count has probably already picked up. It'll likely help get more work to your door too. Good luck!

[@powellmachineinc]

Right on

[@GregShadrick]

Man I really enjoy your Chanel. Thank you for all you do.

[@powellmachineinc]

Glad you enjoy it!

[@GregShadrick]

@@powellmachineinc just wish we were closer so I could use a good machine service

[@needsaride15126]

Your videos are always instructive and great to watch. What makes them even more enjoyable. Is that you are a straight forward guy. A person a man would trust to do business with. Thank you for taking the time to post your videos and share your knowledge. Wishing you and your family the very best.

[@powellmachineinc]

Ty, we really appreciate that

[@robertfontaine3650]

Sounds like this could easily be a reoccurring event a few times a year with different engines. My love is the M50 straight 6's so no magic numbers for me but I am learning a ton through these discussion and I expect I will learn a ton more when the numbers and results get discussed.

[@powellmachineinc]

Definitely

[@DURRIESVISION]

I watch your channel, Erics, Lykinmotorsports & a couple others. And i can say that i am always greatly appreciated and look forward to all you guys knowledge. So keep up the fantastic work. 👍 Watching from 'Down Under' OZ 🇦🇺

[@powellmachineinc]

I appreciate that!

[@flux_core_fx]

This is an exciting challenge! Im also excited to run the custom cam you guys ground in my turbo LS 300zx! Your humility is priceless too, the chest pounding gets really annoying

[@Finndawg]

Hey mate, I love your videos, you're super professional and have great ethics. I wish I knew a fraction of what you know, thanks for educating us. Lots of love from Australia.

[@powellmachineinc]

I appreciate that!, it's humbling!

[@barrybaker9677]

There's some real intelligent folks entering 👌. David Vizard, You ext. I like what Eric said. I soon as it started to float the valves it's done ✔️ 👍 Can't wait to see the date. God Bless Everyone and stay safe 🙏. Trust in our Lord and Savior Christ Jesus

[@powellmachineinc]

I appreciate that

[@blackdragster1]

You and your videos are in my top 2 now, along with EW. You communicate well, your explanations are valid, and you are humble. I will be working with you on my next campaign. I only wish you were closer to have you do ALL my machine work. I appreciate your willingness to compete, learn, and help others.

[@powellmachineinc]

Wow, thank you! We really appreciate that 🙏

[@jasonstormoen]

This is a perfect response. I don't run hydraulic. I just run solid roller and im a sbc bbc guy, not an LS guy but I support all racing stuff. When he very first made a video on this cam challenge, I put your name in the comment section within 1 hour of the video. I said it would be nice to see you enter since you do your own custom ground cams and on youtube. Good luck!

[@powellmachineinc]

Right on ty 😊

[@fastst1]

view looks more like NASA versus a machine shop! :) Fascinating to watch, when I built my 351 4V in the 80s I could only catalog shop and picked up a Crane fireball and a set of lifters and some new triple valve springs, my only complaint is it liked to pick up traffic violations :)

[@powellmachineinc]

Lol

[@CK-mf6du]

I am learning alot of stuff from you guys already, thank you for participating in this! You seem like good people. I'm debating having a cam reground, and your on top of my list.

[@powellmachineinc]

@CK-mf6du tyvm, glad it's helping!

[@recoilrob324]

A while back Richard Holdener did some hydraulic LS cam testing and found more power with longer pushrods beyond what the rocker arm geometry indicated was correct. I asked him why...and postulated that the lifters were slightly pumping up thereby making the cams act larger than they actually were. He responded that the lifters weren't pumping up but didn't offer an explanation of why they made more power...which told me he didn't really understand why. Hopefully this cam testing will shed some light on the subject and thank you for participating!

[@zacharymorris9917]

There is less oil on the bottom side of the plunger and higher plunger return spring/check valve pressure. I proved the longer pushrod theory about 15 years ago by complete accident. Not only do they make more power, but they are also significantly quieter. Quieter is what I was looking for. Extra HP was a nice surprise.

[@lollipop84858]

He knew why. The why was something he didn't want to share

[@zacharymorris9917]

@@lollipop84858 I doubt he actually knows.

[@craigritchie1933]

I'm no expert. However, as the engine increases in RPM, the oil starts to airate , and the air in the lifter can compress slightly, thus reducing lift and duration . David Vizard talks about adjusting hydraulic lifters at the bottom of its travel for this reason, not at the top of its travel like most of us would do

[@saab9251]

Is anyone certain that a lifter stays 100% full and rock solid during engine operation? If it collapses at all, you’re losing lift and duration. Checking lengths with the current methods only tell you of the result assuming 100% solid lifter operation. The longer push rod may become the correct length and account for the lifter partially collapsing at rpm.

[@LaurieGregory-l2j]

Good luck Dan,would hope to see you win over some of the heavy hitters (big manufactures) as they have dynos for their own testing.

[@powellmachineinc]

Either way, it's a win 🏆

[@leosun8469]

This is going to be VERY interesting… And I’ve liked and subscribed to not only your channel, but Eric’s, Vizard’s, and a few others’ channels. I appreciate your efforts and sharing of the information- thank you!👍🏻

[@powellmachineinc]

Absolutely, glad to do it

[@andrewburlock2653]

Just a quick comment to help pay the bills. Thank you for all you do. Andrew

[@powellmachineinc]

Much appreciated

[@terryenyart5838]

Appreciate everyone willing to spend money on cams & fees to let everyone learn more. Every combination is different, but trends do exist.

[@powellmachineinc]

@@terryenyart5838 200%

[@autumnjeserich2689]

I'm excited for the results. Richard Holdener has lots of test for LS cams but I want to see some other grinds than the widely available ones. I still owe you for showing me how to save my engine block. I still will do it after I finish getting everything done, engine was put in yesterday just have to finish buttoning things up. I'm slow but I will follow through because if I didn't see your video no way I would of been able to fix a warped main by myself while staying within the factory block specifications.

[@powellmachineinc]

@autumnjeserich2689 you don't owe me any! Just glad we can help!

[@MrChevelle83]

rh is just over the top with info and testing.

[@autumnjeserich2689]

He made blueprinting my first engine build so much easier

[@hotrodray6802]

I hope Richard replaces Brule... If he can find the time from his own testing.

[@mhardy216]

Glad to see you in the test! Looking forward to getting a ls cam ground for our 67 nova here in a couple months

[@powellmachineinc]

Awesome 👌

[@dougcrosby6994]

Thank you! For your opinions, knowledge, etc. I've seen so many people get out of this hobby because of bad experiences that it's refreshing to see those who truly try and add to the knowledge base. The more people that decide to get into this hobby, the more it benefits everyone!!! Best of luck to ya!

[@powellmachineinc]

Well said!

[@BEANS-O-MATICtransmissions]

Thanks for the update and participation ! I'm VERY excited for the data as well, to the point that I'm not buying a cam for my new 408 build until this is over ! I feel you and Eric are 2 of the most honest guys on YT so i have 0 concerns about this test. I've reached out to a few guy's that are "big" in the LS world and they said.... "sounds interesting, we're in, check my YT page" etc.... 1 even said don't email me again ! Lol I was just trying to get the word out about the contest and possibly get more subs for Eric. It'll definitely be interesting !

[@powellmachineinc]

Absolutely 💯

[@jamiepatrick2467]

I don't know a dang thing about cams other than what they do. I really enjoy watching your videos. Well spoken and explained. Thanks S

[@powellmachineinc]

I appreciate that

[@joecraine4660]

This is similar to the testing for EMC (Engine Masters Challenge) that was a great learning experience. I really miss the competition and the great folks that brought all their different ideas and engines to the challenge. It was a chance to compare how well we compared with some of the best. Hopefully you will meet your expectations. Good luck.

[@powellmachineinc]

Hope so, tyvm!

[@ts302]

May I suggest a follow up video that explains the theory behind your cam grinds? The cam test will be interesting, and I suspect the majority of the cams will be close in power-the reasonable cams and not a wild, no hold barred, contest cam . Good luck and thank you!

[@powellmachineinc]

Tyvm

[@markwelliver2566]

as soon as I saw Weingartners video announcing the challenge I thought Daniel Powell needs to enter this! I was stoked to see your name in the comments of that video! I'm a big nerd for engine data, I love seeing different engine combos and how they perform, this camshaft testing will be great data! Can't wait to see how the kindergartener stacks up to the rest..😁

[@powellmachineinc]

Awesome! Thank you!

[@MrChevelle83]

the best part is we learnin folks!!!!!!!! let er rip!!! keep it going and we are gonna keep watching!!!! this is my favorite content!!!

[@powellmachineinc]

Ty!

[@bobbyabbott3035]

Daniel! I'm a spectator on the sideline but, the content that you and other people publish is a learning experience. That being said, I appreciate what you do. and I hope the community does also. We benefit from the gift of your knowledge that you have dedicated years of experience to acquire. Thank you!

[@powellmachineinc]

I'm just glad we can do this!!

[@edsmachine93]

Good luck on the testing Daniel. I think it is nice that you could send two cams. I am excited to see how all the dyno/camshaft tests go. Thanks for the update.👍🇺🇸👍

[@powellmachineinc]

Absolutely, I can't wait

[@stephenzadow3322]

Very greatful for every effort you and others have done

[@powellmachineinc]

@@stephenzadow3322 ty, we enjoyed it

[@JamesBower-l9d]

Can’t wait for the contest. Good luck and I’m rooting for you!

[@powellmachineinc]

Thank you!

[@johnnyatkins9097]

I am going to be thankful for the info,and I am glad you challengers stepped up. I believe that it will benefit all of us.

[@powellmachineinc]

Absolutely

[@chrisbrown2174]

Thanks for taking the time to make your videos. I don't know how you have the bandwidth to get work done and shoot videos. Can't wait to see how you do in the challenge 🏆

[@powellmachineinc]

Tyvm

[@fstjack6525]

Thank you for searching for more info.

[@powellmachineinc]

💯

[@wayneskelly4297]

Was super happy to see you have cams entered. Good luck!

[@powellmachineinc]

Thank you!

[@johnnystanley4469]

Your 100% spot on love all the info and the channel

[@powellmachineinc]

Definitely

[@joecurmaci5880]

You're a good competitor good sportsmanship something we forgot about sometimes

[@D.Vincent1993]

I have this gift to see through and distinguish BS, and you obviously do too... That's why I love your videos so much.. Don't let the idiots knock you off track by making you feel like you have to set any record straight, part of their tactic is getting you to respond and take away your direction and energy. The things you do in the age we live in is just not what you and I would call common sense to some of these clowns..

[@powellmachineinc]

Absolutely 💯 spot on, ty for reminding me

[@dondotterer24]

I realized that you and other cam entries have KZbin channels. It's going to help all of you!

[@powellmachineinc]

Tyvm

[@rickyfulks6656]

G00D luck to ya Bud,glad ur participating.Its gonna b interesting

[@powellmachineinc]

Tyvm

[@andrewcammer2535]

I had not heard about this until I caught your video today, which took me down the rabbit hole of the challenge that Eric put forth. As you said it's going to be great data no matter who the winner is, what a great competition to host. I'm hoping we can get something submitted here from GPI to be a part of it, working on that now.

[@powellmachineinc]

Good deal

[@Hogiewan1]

I paid Eric a little cash to give me some specs for a little SBC I’m putting together based on the overall car. It will not be “perfect”, but I’d be willing to bet it’s better than what I would have picked. It’s much smaller lift than I expected but he explained why in 3 sentences and I get it. I was happy to toss a little money his way to support his business

[@powellmachineinc]

Good deal

[@scottsigmon926]

Man I love this challenge and how most of y’all are just trying to get data and help out.

[@powellmachineinc]

Definitely, ty!!

[@dondotterer24]

Well said. I agree 100%. I've been interested in testing for 41 years.

[@powellmachineinc]

💯

[@samstewart4807]

Hi, I also follow Eric. I agree completely. I think this is an excellent way to accumulate knowledge. I was a little surprised he made the max lift as high as he did. Does he consider that the max lift for a street able LS cam? Or is .668? ( is that his max lift?) at the edge of HIS valve train reliability at this max lift? My big concern? Most of these internet experts- the ones who will scream the loudest- about things they know nothing about- will do just that when cam "C" makes 3 hp less than cam "J" As you know, there are so many variables as to why 1 cam makes omg! 5 more hp at 7k than another cam. I am glad you entered. I hope you and the others who entered all learn something from this. Good luck.

[@johnchartrand5910]

Data is always good, great to see

[@powellmachineinc]

Absolutely

[@laytonturpin864]

I support Eric myself. Have been a supporter and customer for a while. I have a setup now that should be a great horse power return. Unfortunately, I’ve run into a few issues other than engine and transmission related. I’m hoping to get the chassis issues that I’ve discovered after the engine build that has delayed the actual track testing.

[@powellmachineinc]

Right on!

[@TimothyArnott-m7z]

Ok, Tim here again, of cors i chimed in early, like i do......but u explained the donation thing better than Eric......makin me wanna give SUMTHIN to the cause, as i'm SUCH an engine nerd......i will DO SO SIR!!..and ur gesture of givin it back, speaks VOLUMES to me as to WHY i follow you guys in the first place, yes u may not win, but ur attitude is like his, he's no Superman, and we're ALL tryin to learn more.......well us engine nerds, NOT the armchair dudes......just LOVE it brother!!!.....

[@powellmachineinc]

Ty, we really appreciate that 🙏

[@robertheymann5906]

What a great idea/ challenge! Love your channel

[@powellmachineinc]

Thank you so much!

[@GrandPitoVic]

Yes sir. He has a really good channel as well. I've been watching his channel for over a year. And I've been watching your channel since your first video. You had less than 100 subs when I subbed to your channel. Well your primary channel. I saw your Cams channel pop up just recently. Month or so ago. Both of you guys put out some great information. I've learned alot from both of your channels. David Vizard said he was the first one to enter. Hmmmm!!! Funny I heard Eric metion you first lol. It does cost. Thank you for the info and the content.

[@powellmachineinc]

The difference is I actually grind cams... everyone else order's cams.

[@GrandPitoVic]

@@powellmachineinc This is true!!! Lol. That's a difference like an engine builder and someone that just changes oil. Big friggin different lol!!!!

[@JayDee-bz2ge]

just to let you know I appreciate everything you put into these videos... I actually tell my friends, " I can't believe this info is free" .. I might not have a lot of money to donate, but I do try to spend what I can at the various channels web sites if possible... The more cross channel interaction seems to be the way to go... between Vizard, steve morris , Holdener, cleetus, etc....... there are ways to boost each others channels and even promote certain products... This is a time in America we will look back on because it won't last to long... keep up the great work and great videos....

[@powellmachineinc]

Tyvm!!

[@QuicKurtZX14R]

Never too much info, as you said everyone will learn from the test. Great job !

[@powellmachineinc]

Yes, that's the goal

[@MJPilote]

It’s like open source R&D what you all are doing! Awesome stuff!

[@powellmachineinc]

Absolutely 💯

[@mcss-ll4yg]

Thanks for the contribution!

[@powellmachineinc]

Our pleasure!

[@timothybayliss6680]

I was waiting for this. How good your work is and how close your shop is to Eric's, I am surprised he didn't already call you for the cams he specs.

[@powellmachineinc]

We are not close at all, he is 1000 miles from me, but we ship all over.

[@GregBallard-e1p]

Excellent point.

[@powellmachineinc]

Glad you think so!

[@cjespers]

Thanks for the video, I think we can all learn from this. Anybody remember those Crane aluminum valve spring retainers? 1978. 😮 Was Chase Knight working there at the time?

[@powellmachineinc]

You are welcome 😊

[@benrossbach6501]

I was glad to hear on Saturday you as well as a fee others I follow were. As always thanks

[@powellmachineinc]

Excellent!

[@slowg8701]

Man I can’t wait to see this I’m following his channel and yours

[@powellmachineinc]

Tyvm

[@Scubasteve22]

Completely agree!

[@powellmachineinc]

Ty

[@jamestone265]

In the past NASCAR teams building their own engine did what was stated. They would have the cam grinder grind 3-5 that were very chose and if others found out what another team was using they didn’t really know.

[@powellmachineinc]

Absolutely

[@dougmartin7446]

Was a torque plate used on the mule and if so did you take that into account when you sent your cams in? This never gets old , for me anyway.

[@powellmachineinc]

Na, it's of no concern

[@dougmartin7446]

@@powellmachineinc I was joking.

[@atheplummer]

The nice thing about this cam challenge is the cam is the ONLY variable changed in the engine. Now, I doubt Eric is going to spend the time to optimize each cam to this engine, but at least you'll have the data for that specific package. Then you can make 'educated guesses' from there, when your customer wants slightly different components that deviate from this setup.

[@powellmachineinc]

Absolutely agree

[@hotrodray6802]

Never forget that the off the shelf cam companies are giving generalized guesses and the customer gets some gains, maybe not THE BEST, but enough to be satisfied.

[@miketardy8342]

Can you regrind Chevrolet 7.4 vortec stock roller cam they get pit marks on lobe and lifter roller

[@powellmachineinc]

Yes, doing one now

[@karm447]

I’m glad you are doing this.

[@powellmachineinc]

Ty!

[@havebenthere]

You are absolutely right. With cams and all sorts of variables it's kind of like the English language, there are exceptions to the rule. No one person can grind a cam that works best for everybody due to many different variables. Carbs are the same way and people sometimes can't understand it's their combination that's making things hard and also you can't just bolt on a carb without tuning things other than jets and idle screws.

[@powellmachineinc]

💯

[@SosopChabot]

"If I win, I will donate the winnings back to you" Sounds like judge tampering to me😂😂😂 All jokes aside, I’m really looking forward to numbers and data, thank you.

[@powellmachineinc]

Lol, absolutely 💯

[@dynamicmotorsports509]

Eric doesn’t really sound like he’s “for sale”… 😂

[@Thumper68]

@@dynamicmotorsports509that sounds like what the guy who already bought him would say.😂

[@skeetamacgyver1821]

Wouldn’t it be amazing if we could have a different cam for the intake and exhaust valves? ..and imagine if we could somehow change the timing, lift and duration of those cams dynamically?

[@powellmachineinc]

Hmmmm, if only someone would design such a thing.... they could call it OHC... lol

[@skeetamacgyver1821]

@@powellmachineinc just a Coyote guy being cheeky. Love your channel - wish everyone was as chill as you! Hope you win!!!!

[@aslacker]

That's awesome man, love your channel.

[@powellmachineinc]

I appreciate that!

[@benjaminsais6988]

Thank you for what you do, I love this Chanel I like to learn

[@powellmachineinc]

Glad you enjoy it!

[@NBSV1]

This is super interesting because all this data is typically hidden away. There’s many race teams in several motorsports that have done loads of testing and collected loads of data to try and find every bit. But, they aren’t going to share the details because it was so much work and money to get there.

[@powellmachineinc]

Absolutely 💯

[@mkymouseful]

I'm looking forward to the test and the knowledge learned.

[@powellmachineinc]

You and me both!

[@paulshurmon138]

Thanks for the video.

[@powellmachineinc]

You are welcome!

[@mikegore5840]

Excited to see all the info, I'll prolly never rebuild another motor, but who knows, i may win the lottery 😐. It could happen.

[@powellmachineinc]

Lol

[@funkyzero]

Internet experts are the best entertainment. You can pretty easily tell who has never put their hands on something. Fact is, there is no perfect template. All you can do is get close and start experimenting. Every engine base and application has far too many variables to make a repeatable result every time. The guy who who can say " I've seen this before" always has the best first shot. After that, it's test and measure.

[@powellmachineinc]

Absolutely 💯

[@ronosga4391]

I have asked other builders if a larger than 1.600" exhaust valve on a blown SBC with a 4.125" bore. Would see any benefits and all I got was that is what fits so that's what we run, which doesn't really answer my question. I'm just thinking that 1.600" valve is the one constant factor and I question if we are adjusting everything else to work around it.

[@powellmachineinc]

The port would need to support a larger value, but definitely a 1.65 would help

[@HeadFlowInc]

You hit it on the head! There’s a big difference between a “Dyno” cam and a real world works in a chassis cam. The 11.45-1 SCR is a limitation especially with the large port volume and high numbers in the heads. I was able to come up with a cam: 662 hp @6500 594 TQ @5000 Avg hp 579 Avg TQ 555 Eric says the dyno will adjust to sea level/temp/humidity. The DCR with the cam I specs so far is so low it would run on pump gas. 😳👍

[@powellmachineinc]

My averages were over 600, on paper, crunching the #s I seen some thing that I new but just hadn't paid attention to with dynamic compression

[@woodys74nova]

Don't let the haters get to you brother!

[@powellmachineinc]

Definitely, but not going to tolerate folks lying on me

[@woodys74nova]

@powellmachineinc3179 I wouldn't either, that's just bullshit..I think your a very straightforward guy ,you don't deserve that at all..have great day 👍!

[@wifeswapperbg7]

My main question would be.. Do all participants get everyone's specs and placing after it's over? To me, that would make it very valuable.

[@powellmachineinc]

Yes, that's how it's laid out

[@wifeswapperbg7]

@powellmachineinc3179 That's great. I expect the top 5 to be within about 5% of each other. Would be shocked if there was a run away that's ground against the norm. But then everyone would be scratchin their head!

[@blueridgemountainprepper2166]

In regards to selecting a cam for myself, I've opted for the smaller side that bigger. That being said I've always been street and strip. If a drag only car big is prob better

[@powellmachineinc]

Definitely

[@joshuashuck3994]

This has also lead me to new channels like yours. Everyone wins!

[@powellmachineinc]

Facts!

[@satan6660384]

Can't wait to see the results

[@powellmachineinc]

💯

[@Johnson-uy9xq]

Agree with everything said!

[@powellmachineinc]

Ty

[@tracycurtright2671]

Glad to see you taking a shot at this and glad some people are trying off the wall stuff even if it doesn't work. follow the leader is a boring game.

[@powellmachineinc]

I agree 👍

[@FORCFED]

These two cams new grinds or something you had ? Thank you sir and good luck 🤞👍😎

[@powellmachineinc]

New, ty!

[@normnicholson]

You're the winner to me bro!

[@powellmachineinc]

Ty, I appreciate that

[@JamesBower-l9d]

David Visard has all of the information on the heads on his blog. Good luck Mr Powell

[@powellmachineinc]

@@JamesBower-l9d Eric provided all the information, ty for the support

[@shanebartley6224]

Hey man due you happen to know or do anything with Pete Harrell? Was just wondering I believe he's located in North Carolina also....

[@powellmachineinc]

I don't think we have ground anything for him, but we do so many I can't remember.

[@GaryWhipple-q6w]

They are hydraulic cam grinds but running solid lifters 😊

[@powellmachineinc]

Yes, pretty common

[@tjakr3869]

The lifters don’t know what the grind is

[@alonzahanks1182]

So How did you do?