Plan Z - Our Ongoing Saga To Build A Slightly Less Slow Slant Six Gets Some Results

The first steps in any project consist of identifying and repairing problems and malfunctions. With those bugs out of the way, it's time to refine and fine tune the elements that make power.
The ignition issues and fixes we discovered after the cars last outing made a huge overall difference in the cars performance, and now that it runs cleanly we can start to hone in on the areas we need to massage for power.
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[@horatiohooligan1706]

Maybe you should try adding racing stripes.

[@mikekokomomike]

Chrome oil cap will cut a fraction off your E.T. Mothballs in gas gives more gains.

[@stevenmcinnis8105]

Stripes, and put it back completely stock it would be way faster .

[@Tshade67]

I think the converter is absorbing the power of the six to a degree. The engine sounds a lot better and is very smooth now. Also the 2-3 shift is really lazy. I know you want to keep weight down, but I think the absence of a trunk floor might be slowly it down at the higher speeds. Maybe an abs sheet or thin aluminum belly pan under the front and the trunk would decrease the drag significantly. Thanks for sharing Plan Z with us Tony!

[@Broken_Yugo]

I was thinking that myself, that big hole in the trunk can't be speeding the car up.

[@dubiousf00d]

I was thinking this too. Maybe some speed holes in between the taillights to reduce some of the drag. Possibly just talking out of my rear..however just a thought

[@dennis-nz5im]

And don’t kid yourself sub 10 in a six is moving on

[@victormiranda9163]

I love this Enzo quote... Aerodynamics is for those who can't build engines. aaah.... why am I still laughing?

[@timrayburn2461]

@@dennis-nz5im You got to be kidding me

[@chevyman6999]

This is just awesome content. No drama, just pure 100% hot rodding. And this is the point where a lot of low budget folks give up. Thanks for everything you all do!

[@donsteven236]

If it was easy. Everyone would be doing it. Hats off to you Tony!

[@markmark2080]

Love what you're doing Tony, I didn't care for the six cylinder back in the '60s when I was a teen, but love them now...

[@gulfy09]

Back then we would scrap them.

[@husky3g]

@@gulfy09 Everybody did until the gas crisis 😂

[@UberLummox]

They're cool, I've had 3 or 4, but there's nothing sexy about how they sound. That's for sure.

[@stomper2582]

These stock slant sixes used to eat my lunch in my 57 Chevy in High school in the mid 60s. They’re really fast off the line. 👍

[@stomper2582]

The stock cams seem like they did better off the line than your high lift and duration cam.

[@cudabeenios1]

Advance the cam 4 degrees, tighten up the lash hot to a tight .020 on the exhaust and put 20 inch long 2" to 3" trumpets on each header outlet.

[@prroperlyprrofessional5524]

I'm a world away in South Africa and started watching your videos after looking for information on distributors. The slant is my favorite since I'm working with a "slant 4" engine found in a Peugeot 404/504. Thanks for the videos Uncle Tony, it is great for someone like me starting out on old school tech.

[@markmark2080]

Good luck with your project and greetings from Colorado...

[@UberLummox]

Those Peugeots are great!

[@oscarwalton1188]

It definitely sounds better than the last time

[@Driven_Dragon]

Agreed! Thats the first thing I thought when he fired it up on the trailer.

[@dominickserignese8837]

That old Dodge tow truck is cool!😎

[@hosscartwright8925]

That Camaro against the Ranger is bad ass

[@FenderTele]

Greetings from the UK, the raceway has taken me back 40 odd years to my childhood. I can remember summer nights watching banger racing with the scent of fried onions in the air .The onions were mixed with petrol,oil and rubber as hot engines were cooling down after running on an oval track. I still have vivid memories of seeing repairs between races. Twisted hulks were chained to H iron posts or a lorry and then backed up to pull body work from around the axles and engine!The car of choice was the A55 Austin Cambridge or Morris Oxford.

[@FRANKBURNSONE]

Go Uncle Tony Go. I can't wait to see the end result. I know you will get there, hopefully sooner than later. Great video series.

[@dubiousf00d]

That was very thoughtful of him to wait until after the time slip to water the path down

[@EricaMTB]

I think that the torque curve is at lower rpm than the converter. So there's converter slip when the engine makes torque and then at high rpm power falls away.

[@Kevin-dx6co]

She sounds pretty happy, yeah, maybe she wants more to eat, a little more lift ? Is that a 3310 you're running ? I'm sure you covered all the bases, but, as we know, it's a learning process with each particular engine...ya got to get to know her. Season recently opened here at Lebenon Valley, so frequenting the track as much as possible. Need to support your local track !!!

[@truthboomertruthbomber5125]

Remove the link that opens the secondaries and run it as a 2 bbl. It should run 9s without the secondaries. This will let you troubleshoot the launch. Once you get the car running properly on the primaries then put the secondary link back in and tune the carb until the engine runs as it should.

[@UncleTonysGarage]

Ran it as a 2 barrel last year with a vacuum secondary Holley. Absolutely no difference in the 60

[@davidcoudriet8439]

I just enjoy watching the thing go down the track...

[@petem9063]

I know next to nothing about cars, and less about running races, but this is soooo godamn interesting! Can’t wait to see what’s next. “It’s HOW you go fast !!!”””

[@pghgeo816]

This is the real deal. Tuning a car in is work. The TV mags don't show the real work. This stuff makes you or breaks you I love it.

[@holeeshietpyro4072]

love this project and update series on this slant 6. People always wanna run to an 8 or ls swap, or blah blah... i like to see these inlines be run to max efficiency with all the tricks in the book. Its just more oddball and different. im working on a chevy 250 in a 74 firebird now, so this channel is inspiration. 💪 fellow tennessean.

[@jerrylong381]

Sad news in the KZbin automotive family. Every mechanic's nightmare. Halfass Kustoms had a fire and Brents shop burned to the ground. He lost everything in the shop, tools, rare parts and the projects he was working on. Brent and Esther can use all the help we can give them to get Halfass Kustoms back up and running. Brent posted a video and there is information there.

[@FrankF-vp4pt]

The process of building and figuring out how to make car run faster is interesting. Like detective work so to speak. Been fun watching the process.

[@cod8140]

Love the whole Rig Tony,,that old tow truck looks super cool pulling that Dart!!!! Mopar Salute from Ohio

[@shootermcgavin2819]

Your converter might be too aggressive on the stall. I suggest experimenting with lower stalls

[@johnjohnston2962]

Thank you Tony and crew for bringing back Hot rodding.

[@mikasantos3774]

The best feeling is making the impossible possible when people says you cant do it showem that it can be done keep at it uncle tony😊

[@Camcodrummer]

I love this...just nipping away at things to see what if any, results come about. Old school! Just good old educated trial and error!! 1/2 second is moving forward so looking forward to see what comes..

[@ramoncasillas4490]

LEGENDARY KNOWLEDGE. I TRULY LOVE THIS CHANNEL. THANK YOU UTG!!

[@Yoyo-oz5pz]

Uncle Tony. PlanZ is the reason I started watching your channel. The wealth of knowlwdge is why I keep watching. I don't think your critics really know who you are and what you've done. Keep up the good work

[@rctopfueler2841]

that old dog pulled like a mother effer off the line and when it hit second gear i was waiting to see light under lf tire and still pulled hard into drive keep.up the good work uncle tony

[@genesauter4755]

Hi Tony your having fun thats all that matters

[@Wunkone1RT]

I better stick to watching and learning love the content your sharing of specific issues and the explanation of working thru them are great. Can't wait till you reach your goal and see how it happens.

[@raginroadrunner]

This is true Hot Rodding. Not a money race. My hat is off to you Tony. Most guys cant do what you have done with a car like this. Wake up you guys this is what it is about.

[@sometimesleela5947]

Love the dashcam. Wish we could figure out a way to improvise a dyno that you and the rest of us could use

[@Hipsters_N_Hippies]

You might be on the right track of thoughts... have you ever considered hooking up a cheap vacuum gauge to the intake manifold temporarily? I want to see What it does down low, then in the power band, and finally as it starts to fall on its face again. Might give better insight with minimal effort on your part. Or at least help check some things off the mental checklist.

[@fredmacdonald9339]

i love the snarl of plan z you know its small but like a little dog thatll chew your ankle off

[@outlawbillionairez9780]

The comments of people telling you what to do, are people who don't understand what you're doing.

[@HeadFlowInc]

Or they have decades of racing experience and truly want to see the car go faster. Except the people still recommending a v8 they aren’t paying attention to the build! 🤦🏻‍♂️

[@MrTheHillfolk]

No they've all got the fastest slant 6 in the world and everyone else doesn't know anything.

[@nathan40307]

Or maybe they actually know what they are talking about, unlike Tony. He is a joke. If you are stupid enough to listen to this big mouth jerk you deserve the results. He is an average at best mechanic that can do basic repairs and builds. Sometimes. He has been proven wrong over and over and over again. Anyone that actually knows anything about motors and cars rolls their eyes when someone mentions his name. Dudes a straight up poser!

[@ivanmitchell3876]

or choose not 2 understand this

[@zappa3543]

Thank you thank you thank you for putting us in the car really enjoyed the ride it's the fun we're having watching you do this this is how we did things at the car lot years ago thanks for keeping all of this alive

[@edpadgett4287]

Love that buzzin half dozen. Keep up the good work

[@kevinschmidt9295]

Put a 3500 rpm stall in and ditch the 4500rpm so u can actually use the tranny. ur motor is not in the converters power band but for a second or two at the top of first gear. ur slipping the converter therefore losing speed because like u said the motor doesn't have the power so try a lower stall and use the torque available. very cool build i love it good luck

[@nurburgringdreaming2221]

Now this makes more sense than all the others to me

[@victormiranda9163]

torque converter work can lead quickly to blind alleys. so I tend to shy away from giving advice on that. Gotta state that I thought the converter is a 4k unit. If it is, that is where I'd run till I got the engine kicking hard.

[@kevinschmidt9295]

@@victormiranda9163 I really think the stall is too high even if it is a 4k, Id lower it to maybe even a 3k, sure UTG has a cam and more comp and says it 'can' rev to 6k but I highly doubt its making peak power past 4500rpm. its still a little worked over slant were talking about. I bet after 4500rpm shes falling like a rock on power thus slipping the converter and not grabbing. I absolutely love the car and the idea I hope he gets her figured out

[@victormiranda9163]

@@kevinschmidt9295 I like your comment. We very much agree a slant is gunna fall flat Just after 6k. The usual thinking in drag racing is that you want your converter to stall at just shy of peak power. That way you are using all available power until the machine gets up to the matching speed. (consider shifting then...) You will be using peak power during the entire launch. Heat into the tranny is the only downside. after all, that heat is lost HP. Gilles Villeneuve was well known for amazing launches and burning out clutches.

[@mattgarkus2489]

​@@kevinschmidt9295 we have built plenty i6s like slants and chevys 250s/292 Theres no way that combo is making power past 5500rpm, peak power is probably around there if not at 5000, that cam doesnt sound too radical for 6k+ slant

[@bazookabert]

Would it be worth prioritizing the gear swap? Maybe that'll make those six little pistons happier

[@tomstrum6259]

The Converter is Absorbing 1/2 his Flywheel hp !!

[@bobbyhaskell2048]

Agreed. I believe that too. It's making power where the converter isn't working. That bit he's feeling is the converter starting to grab and then power goes away because it's not make power up that rpm. The powerband is lower than that converter

[@bobbyhaskell2048]

In short too much converter for that combination. Change the converter or the cam and shift it higher rpm it will go much faster.

[@nathan40307]

"Doesn't make any power, but its smooth". LMFAO! This is everything you need to know about Tony!

[@MH-53E]

At first I thought the transmission was slipping. Right after the shift swore I heard the rpm rise and fall.

[@UnityMotorSportsGarage]

Progress not perfection!! It looked pretty solid... now you can get things dialed in now that you have a good baseline..

[@MegaDrewsdad]

amazing!! i watch all your videos! your the most informative ive ever found and look forward to them! you have given me so many tips that are actual useful tips! across all makes and models! thank you more than you will ever know!! chevy at heart but muscle car is in all of us no matter what make! please dont stop! i use every one of your videos!!! THANK YOU!!!

[@ronaldrey8474]

Put in a cam . RV type cam or towing cam will give you the tork beans . 15"" extension on exhaust will help

[@jeremysmith1339]

For what it's worth. That things cookin!... 572 wedge lives!

[@dalewarriorofthesea3998]

The journey is a huge part of the destination Nice goin UT 👌

[@manicmechanic448]

I started swapping the cam in my SB Chevy. Pulled the cam, dig deeper, find mushroom valve. pull heads, take em to the machine shop. Both are cracked. Now I get to rebuild an old set of 441s.

[@mikewoolf3894]

It's great your teaching people step by step method of finding a vehicles sweet spot.

[@stormrider8861]

That was a good run! You are headed in the right direction👏🏻 I really enjoy watching this play out because THIS IS DRAG RACING! 👍🏻

[@stevenkirk2563]

UTG put 6 webers on it. Trust me you will pickup everywhere or put a mpi injection.

[@steveblottenberger1097]

You are a genius and I got so much respect for you keep up the good work. I know you've been around for awhile me to just turned 59 years old and I got all kind of toys but I'm playing around with scooters and having fun and it doesn't cost a lot of money

[@slowvega]

I was digging the swiss cheese lightening treatment, then I saw the trunk floor, or lack thereof! Love it man.

[@donaldhalls2189]

Thanks heaps for your ingenuity, and explanation as to how your improving your times, thanks for sharing, all the best to yous and your loved ones

[@fireballxl-5748]

UT....I think I'm enjoying this a lot more than you. This story I'm going to really keep a close eye on (even though I watch nearly all your videos anyway). Really fascinated to see how each small change affects the car. THANK YOU!

[@318willrun]

Progress is progress~

[@forthwithtx5852]

Glad you’re taking these cars out.

[@brettmcintyre4956]

YAY! you remembered to turn on the GoPro inside... Congrats Tony! What is the method you are using to determine what this combination should run? Have you had a 6 go quicker than this one? Did you degree and verify the actual lift at the valves after break-in? Remind me why not a standard transmission?

[@scotty6346]

Uncle Tony doing a burn out with a cig hanging out of his mouth! 😂

[@timlowery7156]

Love the process!

[@55gaser26]

With you tony on valve timing , don’t think you have back pressure or scavenging issues , doesn’t seem to be making any torque.

[@robertbruneau112]

It was good to meet you out there Tony, I had the other Ford Ranger. Love the Dart

[@myriammorrison9840]

It’s a little buzz saw! I love it ❤

[@cam3002]

Three part suggestion. 1) add wideband A/F ratio gauge (even good plugs can be hiding a bad RPM range) 2) add vacuum gauge, air flow blockage can show up in vacuum for example if exhaust is too restrictive, then will show higher than expected vacuum 3) camera to capture wideband and vacuum reading thru the RPM range. While you are most likely on top of this, also check for anything usually in the valve train, what you're describing does not really sound like valve float but maybe a flat lobe? Interesting series, looking forward to your progress.

[@Broken_Yugo]

Wideband is a good idea, they're pretty cheap in the grand scheme of things.

[@timrayburn2461]

Flat lobe ? What the hell is that ??

[@cam3002]

@@timrayburn2461 sometimes, one or more of the camshaft lobes gets ground down to have less lift and maybe even affect duration. Flat tapped Chinese lifters have developed a reputation for causing premature ware on the lobes and they go flat. I'm just being an arm chair quarterback on UT's problems but I have had first hand experienced with these type of issues before.

[@theinsaneshecklador6598]

That's gotta be at least 2 pounds.

[@flinch622]

I recommend a ham sandwich, and do no thinking till tomorrow. That should eat him alive - be up at the crack of dawn and heading for the garage with or without coffee...

[@oldwaysstillwork]

Not a racer so I will not step into the rkng to give advice to someone with the depth of knowledge you have. I have dabbled with truck pulling and making power from small engines though, so I do understand the flat feeling. Had it happen on a lawnmower that cranked to 6000. You could feel it pull hard then just drop off lkke you hit a wall. Anyway, I love the content and am learning a lot about chrysler engines. Keep at it because I would love to see this project fly.

[@1958johndeere620]

My son's 225 he built with dual webbers, headers, comp cam is numb down low, starts to make its power at 3k, but is all done pulling at 4500. He has 151 hp at the wheels on a dyno. You can hear the power come in, whole sound of the engine changes.

[@Engineersoldinterstingstuff]

Well - it sounds amazing! Nothing better than an inline 6.

[@marcsurrarrer9043]

Excited about this projet now, this is the Tony I tune in for! Wearing my "Its Not How Fast You Go..." shirt with pride that has been seasoned with motorcycle exhaust fumes from his shop.

[@sydrider6023]

The idle sound is nice!

[@steveblottenberger1097]

You are a genius and it's awesome you're running a six-cylinder I love the six-cylinder you're so different like me keep up the good work Steve from

[@DS-ss7vl]

Put a stock torque converter back in it. It won't spin the tires after the rubber gets hot with the converter that's in it right now.

[@geebopbaluba1591]

The car sounds great!

[@Wunkone1RT]

No real life knowledge here but watching all UT recommended channels wondering when you showed last week fat and changed plugs. Seen some videos where DV drilled dimples in intake and one of his recommendations actually added material inside intake to help atomize fuel. Feel stupid even giving my thoughts but been on my mind for my anticipated build.

[@tomstrum6259]

There's a Banana in the Tailpipe !!

[@donaldhill2775]

Good stuff mate, interesting you commenting on one thing at a time which is sound advice I frequently fail to follow 👍

[@jamesmarze9850]

I'm having similar concerns with my satelitte thanks Tony looking forward to fixing the off idle acceleration.

[@tmackinator]

If you listen to the shifting, the sound is as if the transmission is slipping, it doesn't seem to recover well between shifts. Perhaps keep in mind the stall speed may be too high. This is not criticism it is just an observation.

[@UncleTonysGarage]

No, it's currently got the stock valvebody in the trans.

[@brokentoolgarage8609]

Good stuff! I think you are on the right path of cam timing and rocker adjustment. From watching the video, the transmission seems to shift slow and soft - no good firm shifting. My opinion as far as power is that it is only going to make power to 4800 or so. I also think the carb is not right for the engine - rob the MI 318 2bbl 🤣 I hope this is helpful from my armchair viewing

[@garyhosier4765]

Engine sounds good for a slant six.

[@Jeffer54Jeff]

I think you need to turn your carb so that the flow is in the same direction as the intake manifold.

[@BWGPEI]

I recall driving Mothers 225 leaning tower of power and being less than impressed with said powerhouse, grin. Your project really gets my attention and I wish you good luck..

[@edpetrikk2027]

Anthony ..You’ve mentioned that the track has a little uphill to it . I think if you ran in the opposite direction you would improve your time ?😎

[@Buffrt66]

That car sounds like a pissed off bumble bee. 🐝 😆

[@victormiranda9163]

Real fun Vid Unka Tony. This time it seems like you got off the converter and into the engine power. The stock slants I ran power peak seemed at 4,500 RPM I wanted enough gears to stay there. Engines use more power to spin faster so I think a stock slant will go to 6,500 and quit. Parasitic loss may be worth further exploring, I was told two quarts low will get more power. I was NEVER willing to try that. (on purpose...) Ya do what you know, so I'd explore spark timing first. Am pretty sure valve timing could move the power peak to 5k Cam work is a study in what price glory.

[@tomstrum6259]

The Converter & Auto is sucklin all the Power & besides, .....there's a Banana in yo Tailpipe !

[@WarriorOfEden3033]

That interior is so clean

[@mossig]

Green light comes on, I take a zip on my soda then the car leaves! Shifting takes for ever, sound almost like it's slipping. My unprepped Th200 in my 1980 Olds diesel shifts 5 times faster and no slip! You have some work cut out for you for sure!

[@timlowery7156]

He is hanging back at the tree so the camera can better pick up sounds / movements, without the other cars interference, for later evaluation.

[@notajp]

I just love the sound of that motor! It may not be fast, but it sure sounds badass. Definitely launching good tho….

[@lgude]

Great detective story Tony on an engine I have only experienced in stock form. Of course if you put a Rolls Royce Merlin it it would go faster. 😂Love it!

[@grantbovee]

Thank You Uncle Tony, See you Tomorrow, Reeeeeeeeeeeeeeeeeeeeeeeeeeeee

[@rescuedandrestoredgarage]

Great video, brother.

[@egodeathplease]

I keep thinking when Tony closes the door on that Dart the same thing will happen that happened to the blues Brothers dodge cop car at the end of the movie😂

[@tomstrum6259]

Need to Turn carb 90°, Primaries on Outside to fix Distribution issues & Eliminate stumble !!

[@dadalebreton184]

On the way to success ! Nice content. Its the way to go and we learn from that process what to adress in the right order. Others have the budget just to bring it to à race shop and complaint that there car is not running fine. They pay thousands for that half second. I spare my change to buy a new pair or slicks. Lol

[@professorginz2379]

Sounds to me like it's running up beyond the power band the entire way down the track. Something is stopping it from running at high RPM. Bring the rpm down with a tighter converter? Change cams to one designed for a higher RPM? I think the reason it slowed down from earlier passes is that the converter broke in a little and is slipping more than it did before. I think it's just barely tipping over the edge. I was thoroughly impressed that a slant six could do such a good burnout.

[@professorginz2379]

After watching the whole video, I think your coming onto the cam at 4,000rpm and by 4,500 you're running out of flow. Those slant six ports and manifold were never meant to flow what you're asking of them.

[@aspman97]

Absolutely not lack of carb heat. It's the diff. F ing period!

[@DeansofNomadica]

I'd try laying two pieces of uncooked bacon on each exhaust manifold pipe and going down the strip won't stink and you have dinner ready afterwards!

[@JDickracing1962]

I ran a 300 stright 6 in my falcon , ran 12.90s

[@NoWr2Run]

FREAKIN NICE, SIR, DAMN NICE.