Weingartner Cam Shootout - I can't lose!

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In this, episode 158, DV looks into the Eric Weingartner cam shootout from his (DV's) prospective which is almost undoubtedly very much different from that of any of the other 20 or so entrants. He is also, for all practical purposes, launching the ultra powerful TorqueMaster cam selection program. Just how powerful is it? Well let's put it this way. If you thought you knew most all there is to know about speccing cams then the release of this program will have you totally rethinking that idea.
Here are some links that are shown in the video that you will find helpful to both you and this project.
TorqueMaster program rental:- www.magneticlynx.com/DV/
weingartnerracing.braveshop.com - this one is for cam shootout donations to support the project.
Here's a text tel # for the 99% as new 650 Holley track carb DV has for sale:-
Text only to 704-609-2176 with contact details and MotorTech Features will call back.
Link to get a rental on the Torquemaster cam program:-www.magneticlynx.com/DV/
If you want state of art, groundbreaking, power boosting, cam technology that can be had from NO OTHER SOURCE then this video is for you.

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14 окт 2024

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Комментарии : 156

@muskyelondragon День назад

I have been reading Mr. Vizard and now watching his videos for 40 years now. If you need something that works and will be reliable you call Vizard or Banks. David and Gale are definitely my generations legendary engineers. Set your egos aside and learn something, it won't hurt.

@user-ug2rn7sr9i День назад

Oh yeah, most people don't know. But this Man Forgot more then we kno. Living Legend hands down one of the absolute Best.

@ElvinLeadfoot День назад

Well said - King David Vizard:) Gale and David, throw Terry Walters from the machine shop in there too. I’m a trained machinist myself:)

@Thumper68 15 часов назад

It’s crazy my old man been a master mechanic and machinist since 79 and building 700hp+ small blocks since the late 80s maybe earlier I wasn’t alive or old enough to know. Anyways I asked him if he’s ever herd of David and he had no idea. Not saying that it’s anything against David my old man probably just wasn’t reading or needing books then but I was still surprised.

@dondotterer24 10 часов назад

@@user-ug2rn7sr9i yes

@dondotterer24 10 часов назад

@@ElvinLeadfoot yes

@debrabolton7748 День назад

David has been writing valuable articles for many decades. Love reading his material.

@hotrodray6802 16 часов назад

🔔😎🇺🇲 His decades of sharing information has put him at the top. DV is the #1 engine engineer in the world. IMO 😎👍😁

@MichaelWojtaluk День назад

David Vizard. Can't thank you enough for sharing your engine building skills. Could pick your brain for hours.❤

@dondotterer24 День назад

Thanks DV . That's alot of work!

@MVPisME383 День назад

I love you share your wisdom rather than hord it. It's so good to see your passion for this stuff after all these years. I love it too, hope to be able to make a living at it one day

@VashSpiegel 19 часов назад

Still pouring over your books from the 80s. Great info that is missing from the field.

@thisisyourcaptainspeaking2259 День назад

Vizard is legendary, I never discount the knowledge and experience of this master.

@robertwest3093 11 часов назад

David’s engine and carburetor books are the best of the best. I actually read them like a novel, from front to back!

@therocketshop 11 часов назад

Thanks for being part of the cam challenge David. good luck to you.

@aquapneumatics День назад

You are the Man! I will have to work like hell on my engine just to avail myself of this awesomeness! Superman thanks DV!

@deankay4434 16 часов назад

Thanks David for sharing decades of you thoughts, theories and proven methods. Exhaust is one of my favorites. Thank you kindly Sir!

@johnkufeldt3564 17 часов назад

to hell with people who don't want to learn. Thanks DV and to Eric also, And sorry Andy, forgot to give you a shout out until I saw your commets.

@realazliving День назад

Great work again David. Thank you. I’ve been reading then watching you for over 40 years and I still learn a lot every time.

@updragracer День назад

I think this is awesome , I have been a fan of David for decades and a fan of Eric also the last few years . I have many friends in the business and I respect them all no matter what their opinions are . I learn from all of them .

@JamesBower-l9d День назад

Although you never reply that’s a lot of great information. God Bless you Mr. Vizard!

@JamesBower-l9d 14 часов назад

@@robertellison4691 That doesn’t sound right there must be something wrong. I want to get the formula for my bbc when it’s available.

@gordonflash8976 День назад

Love Davids 128 formula for specking a cam. It is far more intellectually satisfying than someone thinking it out for you without a satisfactory reason for the choice settled on. A suggestion from lots of testing is next best. My opinion at any rate. Thanks David for all your work.

@NightWrencher День назад

225 is a steal

@mikkokuorttinen3113 12 часов назад

Thank you Mr.DV! Your offer is a great deal for everyone!

@randypozdnikoff4099 День назад

Hi David, saw you got the overall! Nice, I've used your SAdesign books for 30 years now! Love your stuff. Thank you.

@____MC____ День назад

Its just on the computer model.

@randypozdnikoff4099 День назад

I still think David takes home the W !

@____MC____ День назад

@randypozdnikoff4099 if hes making a daily driver cam that competes like that, id buy that one over the others.

@DamienFrench-f3w 13 часов назад

Great video!! Please do another one like this when the ls program is ready. I’ll be happy to buy it

@johnturnbull6595 День назад

WOW simply amazing ! I don't know how this wouldn't be the most valuable tool in you box!!!!

@timmywilliams8077 18 часов назад

Comp Cams could have made a fortune with this if they had this on their website. If I understand him right they didn’t want in on this deal. They were stupid and lost more money than they made over the amount of years they could have had this program. This is genius. Great job David !!🙏🙏

@TheDynotuner 6 часов назад

They are owned by a Ching Chong group that turns Every company they buy out into the garbage blanketing the scene... They don't care

@alexgillies4183 День назад

That's a very impressive program. I wanted to learn how to make a program once so I chose to make a simple parts ordering program with just three inputs to determine how many of each part to stock. Well, even though it was less than 100 lines of code, just getting everything to work correctly took me over a month; the amount of time and energy it must have taken to make all of these inputs and variables work together to actually produce the right results must have been staggering!

@No1414body День назад

Interesting stuff David, if you watched Eric's Saturday vid, he ran computer Sims on each of the cams, yours was the highest avg torque and hp in the sim

@davidreed6070 День назад

At my age and for my race engine I will only have to make one more cam pick,so I want it to be the best I can do.this cam test is invaluable information.

@MVPisME383 День назад

At any age $522 a cam is hard for anybody "normal people"to swing. When I built my first engine you could get cam, lifter, springs and all for that

@davidreed6070 День назад

@@MVPisME383 I used to get a cam and lifters for 85.00. that tells you how old I am, but still racing.

@hyracer6684 19 часов назад

Wait till you buy a set of cams for the 2.0 - 2.3 Ford Ecoboost 4 cyl. Around $1,300-plus for cams and springs!

@DaveMcLain День назад

I have not looked at the details of this contest very much but I think that among the cams that nail the needed events reasonably well the results will all be very similar. So much so that they might even be within the measurable error from day to day on the dyno.

@lcxu1051 22 часа назад

Can't wait to see how it all pans out with the Camshaft challenge. But more interested in your ls cam selection program.

@DeltaVTX 16 часов назад

“I can’t lose” “I sent double the entry cost” 👌

@rogerbennett2025 День назад

this guy has so much knowledge

@hotrodray6802 16 часов назад

DV has always been a big thinker. Very analytical and pragmatic and has an above average ability to SEE in his mind how things work. 👍👍😎🇺🇲

@peanut7105 17 часов назад

Awesome video thanks David

@markdessert4077 19 часов назад

Amazing presentation, thanks for sharing your wisdom.

@CQBWarfighter День назад

I’ve been following DV’s work for a while. Finally decided to spec my own camshaft using the 128 formula and overlap guidelines for a 399ci LS3 headed ls stroker in a truck. It’s a 224/232 on a 107. Haven’t put it in the engine yet but I’m very excited to see how it works in comparison to the 227/243 on a 113 that’s in it now.

@zacharymorris9917 День назад

It's going to give up a ton of power on top and gain very little power on bottom. 🤦‍♂️

@jakewade7388 День назад

Yep

@zacharymorris9917 День назад

No he's not. 🤦‍♂️

@JG-kv4oi День назад

F.I. or carbed?

@zapa47 17 часов назад

The LS cam program is really exciting.

@TomBurris-um3hf 15 часов назад

Great Video full of great information! Going to rent your cam selection software. Currently building a few roller big blocks

@patrickmoore1017 День назад

I have the Torque Master program. Just used it to spec a cam for a 428 SBC.

@autonomous_collective День назад

If you want state of art, groundbreaking, power boosting, cam technology that can be had from NO OTHER SOURCE then this video is for you. 🏁

@JACB006 День назад

😊Great video David. I know it’s a lot to ask, but do you think you will make a version of TMC that will cover the Mopar RB engine (440) and their stroker derivatives?

@robertfontaine3650 День назад

It's going to be good to clarify how well cams can be spec'ed for average power under the curve and max power. Not only will the results be interesting but the ensuing debate will be very educational. Anything that I can learn that can be carried over to my engine of choice will be wonderful. I know I can buy an off the shelf cam that will improve on my current OEM cam across the board of on the high end but it's not entirely clear to me that the cams on the shelf are actually anything more than a copy of other people's cams with no particular engineering behind them. I expect you will win average power under the curve (or close) but not so much the peak power given what you have said an the initial software guesstimates. BMW M50 variants are my flavour of choice so the recipes don't help much but the understanding does.

@OgamiItto70 День назад

My mouth is watering.

@kevinclemence4661 День назад

DV. Regarding your Torque Master program. This is especially poignant now that you appear to be developing a version for the LS platform. I've only one engine that was in development and my scope was very small. A 10.3:1 iron headed 355 CID SBC. Right up the TM alley. After sorting through a few details and getting deeper into the heads that would be in play, an RPM limit emerged so I used TM to generate a spec. Not having the nerve to order a cam based on some software (call me chicken) I went to a cam designer and inhouse manufacturer for further development. This designer, who by the way has come highly recommended by you (and others) produced a specification based on the entirety of the project. Drag racing primarily. It's very interesting to note that the Torque Master spec and that created for me are one and the same. Something I thought I'd share. Early testing has shown this to be a good move on my part and I hope for a few personal bests once the spring arrives and I can get to the track. Best of luck in contest David and its good to se this collaboration between you and Eric.

@robertellison4691 17 часов назад

Does your camshaft program consider the size of the bore of the lifter that will be used? If you change the SBC lifter from the stock size to a .904" size, will that effect the grind that is needed to optimize the camshaft selection? All of the old Mopar engine building books talk of the Mopar camshafts being ground with a faster opening rate over the GM and Ford grinds due to the .904" lifter.

@hotrodray6802 16 часов назад

Yes and yes.

@jmflournoy386 13 часов назад

mopar/ amc lifter and you get a nice new lifter bore does make about a 10 degree difference in duration for the same lift

@hotrodray6802 16 часов назад

Just gathering the information/data is a winning situation. 👍👍👍😎🇺🇲

@salvatorehayes2753 18 часов назад

I Think The Biggest Reason Comp Declined This Software Is Because They Are Mass Production Focused. There Is Probably A Much Greater Profit Margin In Making A Few Bulk Cams And Selling Those Rather Than Making Custom Camshafts Per Application. The Average Consumer Is Ignorant And Comp Can Make Money Easier Becasue Of This. I Didn't Not Exspect You To Work With Brian! I'm Very Excited About This!

@JamesBower-l9d 18 часов назад

Id like to see a back to back match between comp and Vizard cam . Id bet they (comp) would start using the formula Vizard has!

@TheDynotuner 6 часов назад

Comp isn't Comp NOR have they been.... It's a Ching Chong owned joke anymore. They did the Same thing to every other company they've acquired. My friend worked there for over 20 year's. Was let go with many other's because "they make too much $" It's SAD... They'll easily buy out more once Trump is in

@johnwright5041 Час назад

i had one of his engine books about 40 years ago. i read that book more than anything i ever read in school. very informative. i gave up doing this work as i grew frustrated with the level of profound resistance to not stick a -9 ngk spark plug in the 8.5-9.5 n/a street motors ive tested on the dyno. seems people need to know how to read spark plugs and have enough initial timing lead and limit the total. and have enough valve spring. and not too much oil in the pan.

@jarlnieminen4307 23 часа назад

Prejudices are valuable to make you question what conflicts with the data you have already received. Once you get updated data set aside your Prejudices and start investigating. Because it far more valuable to know why you were wrong.

@waltercarpenter2439 13 часов назад

very good video, I have also lost children your daughter was absolutely beautiful I am very sorry for her passing.

@duz10z30 День назад

Thanks for the video DV, just wondering when the ls version of the program is ready will it factor in forced induction? Thanks Brad

@ranchterrachannel9364 День назад

When you say that the ford "small block" is done in this program, does that include the Cleveland engine family?

@UnityMotorSportsGarage 22 часа назад

No, just Windsor for now.. Andy

@richardsmith-qy6vl 23 часа назад

Thank you David I love this you would have to be stupid to not use this when choosing a cam

@joeinmi8671 День назад

Someone needs to give you 3-400 for that carb. Can we just by the iop program somehow? Glad to see you, eric and BTR are all getting along etc. I have been subbed to the 3 of you for years.

@robertellison4691 15 часов назад

Were the Comp Cams mechanical flat tappet lobes for a SBC designed for use with the stock .0843" lifter bore diameter? If you change the lifter bore to the larger .0874" Ford size or the even larger .0904" Chrysler size, wouldn't that change the optimal lobe design? All of the old Mopar engine books states how all of the Mopar cams that were designed by the aftermarket camshaft companies used Chevy engines to design their camshafts and used that data to grind the Mopar camshafts. Mopar Performance took advantage of their larger diameter lifter bore and designed their Purple camshafts taking this difference into account and it gave their cams a faster rate of lift giving their camshafts an advantage over the other inferior designs. So if Comp Cams designed their SBC camshaft lobes using the stock lifter size, their lobes aren't optimized for an engine with a large lifer bore.

@CJ5EVOLUTION 14 часов назад

Maybe I'm wrong but, your LS program possibly will be very close on determining SBF as they are similar, taking in account that the Cyl head flow the same and valves sizes are the same.,.or.not even close?

@robertellison4691 15 часов назад

Does your optimal camshaft program take into account the various lifter bore sizes and their effect on the optimal design for the camshaft grind? Do any camshaft designers or lobe designers take the various sizes of lifter bore diameters into consideration when they are designing the lobes and camshaft specs?

@robertellison4691 17 часов назад

Have you ever had a mechinal flat tappet cam ground with very little taper and used a solid lifter with very little radius like the old Mopar Performance Parts purple camshafts? Also, have you ever used an undersized solid lifter like Mopar Performance Parts used to manufacture? According to the Larry Shepard engine building books, using a low radius solid lifter and an almost completely flat tappet and an .0005" undersize solid lifter reduces friction and makes more HP.

@echadmiyodea День назад

I don't think the cam challenge is completely meaningless, but I think it could be a lot more meaningful if it also included a simultaneous comparison of the cam/dyno simulation software sets being used out there to see which is more accurate or useful.

@johnchartrand5910 20 часов назад

Eric just posted a video on exactly this

@jmflournoy386 12 часов назад

4000-7000 test 7200 may be a good shift point but this test has no shift Dave does it give piston and head to give the target dynamic compression optimized with the cam or just do what iffs nice job I used controlled induction and iterations with the sim program lots of worn out catalogs cheers simulations show that your challange cam may give best average hp and torque

@YourFriendlyHoodVampire День назад

13:16 heres the start, I think?

@lynnrunningdeer7364 13 часов назад

Is the cylinder cranking pressure what's found when using a compression tester🤔? What about BBF🤔?

@robertheymann5906 День назад

Wow!

@TheDynotuner 5 часов назад

David is the $25 rental able to do unlimited combo's or 1 combination with endless variables for just that engine? Thanks

@rogerackley5176 17 часов назад

Will you be doing a FE profile?

@larryanderson2766 День назад

Ugh, had to settle for 2nd place on the like button…

@randypozdnikoff4099 День назад

Sorry pal, I wait for anything DV puts out!

@RichardSteelman-w4s День назад

I want to know the cyl head data and each cams overlap duration.

@jefferymoreau5533 18 часов назад

Donate 20 buck to Eric and the day of the test you will get all the cam cards emailed to you

@brainward2611 6 часов назад

Do you have cam programs for supercharged SBF engines

@bobbybelcher6800 День назад

Can you design me a cam profile for a 1972, 351 Cleveland stock eliminator engine ? It has 4V open chamber heads. There is a .481 lift rule. Please respond ! Thank you David !

@paulmryglod4802 День назад

That class has some wild cam timing to get around the lift restrictions. Tons of duration, super fast ramps and lots of overlap. He definitely will spec a cam. I'm interested to see how it does.

@muskyelondragon День назад

Go to his web site

@hotrodray6802 16 часов назад

He is in business to do that. $$

@expressogino3971 8 часов назад

Any consideration for a program for gen 3 hemi?

@bloviatormaximus1766 День назад

sad that it doesn't do my make(Olds) but that's what I get for upgrade luxury car boat motors

@dondotterer24 День назад

I'm here David .Is that the first cam for an LS engine that you've ever specked out and had ground ?I've seen Eric's video and you're looking good!

@lukesimeon5756 18 часов назад

I had one specced from him over 3 years ago for an LS

@dondotterer24 10 часов назад

@@lukesimeon5756 very cool.

@TheJohndeere466 День назад

I dont think Eric was planning to share the Cam Dr sheets with everybody. He was just doing it to verify they are what the cam card says.

@orr89rocz День назад

He was sharing specs with anyone who donated money to support the challenge

@stompinmcallister1312 День назад

He did state In that first or second video , he would give the cam dr readings to the competitor's after it was all done.

@TheJohndeere466 День назад

@@orr89rocz He is only confirming specs match cam card. Thats all. He is not going to say how aggressive the lobes are.

@orr89rocz День назад

@@TheJohndeere466 go to weingartners last video about the computer sim and listen at the 1:30-1:40 mark. He says hes sending cam cards to those who donated

@orr89rocz День назад

@@TheJohndeere466 cam cards maybe not the cam dr files that is

@bill5762 День назад

What about a gen 3 hemi program?

@hotrodray6802 16 часов назад

That would maybe cost 50,000

@markbulva4188 День назад

I highly respect you sir but you lost me at sbc

@hotrodray6802 16 часов назад

SMH 😐

@kurtvanluven9351 23 часа назад

Tried to email you, no dice.

@DavidVizard 20 часов назад

Call and text a BRIEF message & email address to 704-690-2176, Thats our sales and business #

@pm270100 7 часов назад

351W 500hp/500 ftlbs //100,000 mile 😁😁😁😁😁

@Lobo-tommy10 День назад

Spoken like a back marker. We shall see.

@davidphillips3953 15 часов назад

Making excuses for losing and the competition hasn't even started? I thought you were the best cam designer ever? Why enter a cam that's not intended to win?

@hotrodray6802 7 часов назад

Try to listen. You missed it.

@bobbyessick7425 18 часов назад

This is amazing software only possible with the wealth of knowledge time and dedication that david vizard has invested thanks david

@kurtvanluven9351 23 часа назад

Your titles are basic. Keep them, it will scare off the "know it alls".

@zacharymorris9917 День назад

Imagine having the hubris and arrogance of DV and then advising everyone else to put aside their opinions, biases, and preconceptions. WOW!! Here's some actual facts: if you design the rules of a competion to mathematically prevent the winning camshaft from being the BEST camshaft, the results are meaningless. It's a mathematical impossibility. This is simpleton level math and physics. Furthermore, thinking that torque is a measurement of power also makes it literally impossible for the best camshaft to win the competition. When peak torque is effectively 75% of the scoring criteria, the competition is obviously flawed. Takes about half a brain cell and elementary school mathematics to figure that out.

@badburban День назад

Zach Morris tell me where did the Saved By The Bell doll hurt you? Or did AC Slater beat you up?

@zacharymorris9917 День назад

@@badburban comedy hour at the simpleton DVfantard comment section. Which female taught you to parrot the "who hurt you" response to factual argumentation?

@rolandtamaccio3285 День назад

The test is flawed by some mechanical criteria , and some time constraints , so I'm not all that concerned with the math . Ironically one of the shakeist mechanical specs , the hydraulic tappets , might drive out the short term one test ringers . Sooo , I'll just watch and maybe learn something .

@MUUKOW3 День назад

So where are all of your books and videos ? Yet here you are watching and commenting . Give us your specs Mr wizard !

@zacharymorris9917 22 часа назад

@@rolandtamaccio3285 you're the perfect example of why I call it meaningless. You will "learn" how to falsely "confirm" all the internet camshaft BS that gets repeated so often that everyone believes it.