This just wrapped up 2 years of research/trial and error in 2 30 minute videos. Just helped me so much.
@jjmccloud3 жыл бұрын
Lol right probably closer to 3 or 4 for me 🤣🤣🤣
@SJKile3 жыл бұрын
Me, a lifetime of research. I’m a bit behind the research 8 ball. 😄😄😄
@romannabong68042 жыл бұрын
Hes teleporting betwen dimensions yet still giving me a good explanation. This guy is a madman.
@slomant3 жыл бұрын
00:00 - Intro 00:27 - Overlap 04:21 - Overlap explanation using a whiteboard 09:29 - Lobe Separation Angle (LSA) 12:40 - Engine size matters when selecting a cam 15:52 - Cam selection is based on the head flow, not on the engine manufacturer 16:53 - Cam recommendation for LS 4.8 20:21 - Cam recommendation for LS 5.3 23:11 - Cam recommendation for LS 5.7/6.0 25:32 - Valve events 28:28 - Cylinder blowdown 32:20 - Scavenging effect, exhaust pulses and exhaust header design 40:00 - Outro
@4doorsmorewhores6747 ай бұрын
no link down below
@terryr.12063 жыл бұрын
This guy is absolutely remarkable! an excellent teacher. Explain extremely well. I’ve seen a lot of so call teachers , hey not even close to this guy. My opinion @ the top of the list, if not the top. My vintage iron keep it 100!! Thanks
@Myvintageiron75123 жыл бұрын
Wow, thanks!
@dwighttravis54843 жыл бұрын
@@Myvintageiron7512 I feel the same way that Terry R. does !!!!!!
@jeremybrown9613 жыл бұрын
Dwight Travis was real sit TY t itto uto uhas urs all night tnight unight t dads ausand runs a a suis
@dwighttravis54843 жыл бұрын
@@jeremybrown961 Could you redo your comment so I can read what you said?
@icko08933 жыл бұрын
exactly!!! in human language there is no word to describe how much I am glad to come across his videos ...
@joshuagibson25203 жыл бұрын
Dude. I wish you could see the smile on my face when it clicked when you were talking about the exhaust pressure waves and what creates the sound we hear! You don't get to see this on YT like a teacher in the class, so I thought I'd tell ya. 😂😂😂
@Myvintageiron75123 жыл бұрын
Thanks!!
@Brass_Heathen2 жыл бұрын
41:06 While you were out partying I was studying the combustion.... lol. Thanks man, you made it possible for the average gear head to select a cam with something more then an educated guess. For that we salute you.
@BigHatsince983 жыл бұрын
It's like school, except I WANT to go! Thanks for another awesome video!
@douglasvance2938 Жыл бұрын
You managed to explain what I found out accidentally but had no idea why, excellent explanation!
@Myvintageiron75123 жыл бұрын
Sorry about the Auto Focus on my camera it went nuts on this video
@nickmyers36813 жыл бұрын
Will there be a part 3? These videos are invaluable for us beginners I’ve already watched it 3 times 🤣 thank you for your help and experience 👍
@codyjesse54543 жыл бұрын
Do you know where I can find reliable flow numbers for LS heads? For example the 799/243
@corvettefever3603 жыл бұрын
I have over 20 plus years experience building high performance engines & fabrications, & I will tell you that he is one of the few who really knows what he's talking about. It's easy to pretend to know what you are talking about with those who don't. And I will call it out when I see it, & so when I see someone giving good information, I will do the same. Especially because I remember the struggles I went thru years ago with getting so much contridicting & bad information which wasted time & money. It stinks! Too many people make videos & have no clue, guessing stuff, &/or giving terrible information that someone else will think is good, & it actually pisses me off. It's not cool! And just to make a video & to be on camera or whatever. Also I enjoy watching stuff like this, especially when I'm in the garage or shop, & definitely would rather watch this type of stuff instead of some keeping up with the Whore-dashians reality TV crap! Can't stand that nonsense! Even most of the "automotive" shows are a bunch of reality tv, made up fake ass drama crap verses building cars, trucks, & motorcycles. And.... no matter how much experience we think we have, every real mechanic, technician, builder, fabricator, etc etc etc, is always, always learning, & not too arrogant to admit & realize this! This guy here, will not steer you wrong! Pay attention, learn!
@franciscoaranda37043 жыл бұрын
No doubt
@newnilloc326Ай бұрын
I wish he did a quick overview for a 6.2L. Us L99/LS3 guys need love too! 😂 Thank you for the info.
@jdbas713 жыл бұрын
This has gotta be the best explanation of WHY to choose a cam.
@kieranproven4874 Жыл бұрын
Update, hands down you are the best person on KZfaq for deep dives into the details on cam timing and camshaft events. I have followed you for years. I understand the work that goes into producing a video. I appreciate your time. I am getting a world class education. 🙏
@CalaisRider3 жыл бұрын
Absolutely excellent presentation. Some of the stuff i've been told over the years were just dead-set wrong. Its really great when you properly understand the principles of these things. You did really well at breaking down a quite complex topic into something readily understandable and making sense. A sincere thank you for taking the time and posting
@Myvintageiron75123 жыл бұрын
Glad you enjoyed it!
@southjerseyjim50493 жыл бұрын
Your two videos regarding cam selection may be the most important videos on the internet for gear heads. My first car was ‘70 Charger with a 318. The guy I bought it from dropped a Crane Fireball cam in it and made no other changes. To say the cam didn’t work with a stock 2bbl carb and 2.73 gears would be an understatement. It sounded cool but accelerated like a constipated snail. I learned at the age of 17 the meaning of mismatched parts.
@BatsonRacing6 ай бұрын
Great info. Glad I found your channel. I hate when I’m can shopping and some idiot on the sales line feels me I need a stage 3 cam. 😂
@BAYSICK8319 ай бұрын
1 take with a ton of editing to give us a streamlined education. Thank you for your time and knowledge.
@user-jv9gj7yz5r2 жыл бұрын
It took me so long to explain that I finally understood....! You explain very well. I never get tired of listening to smart people!
@Myvintageiron75122 жыл бұрын
glad it helped thx
@boblahblah57423 жыл бұрын
Thank you for demystifying the camshaft. I was starting to think it was tippy top secret information ,or nobody actually knew. It's really straight forward; why this is the only comprehensive explanation on the internet is the only mystery I have left.
@rynechristesen23923 жыл бұрын
Love listening to this stuff man! Makes me so much more confident breaking down what kind of things I pick for my car to get the best out of it.
@BlueLightPerspective3 жыл бұрын
Love these videos man. I’ve learned more about cams from these 2 vids than hours and hours of other research 👍🏼
@GPZ_BikerАй бұрын
A masterclass in explanation with too many Schoolday moments to count.
@replica41323 жыл бұрын
This is like having the hot rod uncle I never did, thanks so much for the videos! :D
@gjgeurts93723 жыл бұрын
Hey Mike, you stopped at het point where negative pulse pressure in the exhaust enters the exhaust port and cylinder in the valve overlap area. Where it actually helps draw in more mixture through the intake valve. The key to archive more than 100% volumetric efficiency in a properly tuned and cammed engine. Perhaps a subject to bear on in the next episode. Love your videos.
@jrnengines3 жыл бұрын
Hi There. I actually picked up on this as well and would love it if Mike could go into this side of it as well... I would like to develop my understanding also of the inlet side of the equation which i have found out is also very important. Tuning the inlet tract length and matching it in relation to cam duration. I feel that the velocity and pulse of the inlet wave is also helping with performance. Any light on this subject would be very welcome also
@stevenschadt68343 жыл бұрын
Just ran into your channel and I like the way you break down everything you do. Don't change anything. Thanks for the info you share. Looking to start a high performance street engine build on a $12 grand budget. So I will be watching your videos. Good Job
@ssboot56633 жыл бұрын
Thank you for the great information.You are answering a lot of questions I have had for near 50 years about performance building and camshaft/head/ facts..I really haven't found much on the net about the topics you covered.
@jesse249333 жыл бұрын
I’m learning everything I can to build my first sbf in an 85 crown Vic I’m making a sleeper , and I can’t be more thankful your channel exist, you’re an awesome teacher!
@Myvintageiron75123 жыл бұрын
That's awesome
@joshuagibson25203 жыл бұрын
I can't thank you enough for these two videos. You explained everything very efficiently and also completely at the same time. I feel so much better about my understanding of not just cams, but engine performance as a whole. You deal in facts and physics and they don't lie. Thank you again.
@CQBWarfighter3 жыл бұрын
Been watching this dude for a long time now. Love these videos. Always learning things.
@Myvintageiron75123 жыл бұрын
Glad you enjoy it!
@AC78125 ай бұрын
I really hope you are teaching some of the young people all this awesome knowledge. Simply amazing
@jimcoldham1052 жыл бұрын
These two videos are really educational and takes all the effort out of selecting a cam and matching this to the heads and engine set up. Highly recommended.
@Myvintageiron75122 жыл бұрын
THX
@philliphernandez-waldrop53133 жыл бұрын
This is perfect I got everything I needed. Broken down even better for me since I got lost as hell on the last video
@slothmag3 жыл бұрын
Really great videos, made me rethink engines altogether, thanks!
@Myvintageiron75123 жыл бұрын
Great to hear!
@hemi-denny Жыл бұрын
Another GREAT video …, love this stuff … , great information 💪
@thewolf71193 жыл бұрын
This actually helps me understand another aspect of why variable cam timing is so awesome on a modern DOHC engine...you can tune this overlap if you have variable intake and exhaust cams. Awesome video!
@darrensydorko49763 жыл бұрын
Your videos are so informative and explaining the math behind how your selection is proceeded is great. Thank you
@Myvintageiron75123 жыл бұрын
You're very welcome!
@tttony9426 Жыл бұрын
you just saved me a bunch of aggrevations,my early bronco is sitting on 35 inch tires,,411 gears 351w stroked to 392, edelbrocked heads i ported the exhaust ONLY to get my flow to 77 percent,im choosing a medium cam,215/220 duration,540/540 LIFT,112/114 lsa,thanx a bunch for your very clear teachings
@dieselmechanic98243 жыл бұрын
My fave channel. Great info.
@Wrenchen-with-Darren3 жыл бұрын
I know you put a lot of time into this video, and I appreciate it very much. Thank you. 👍
@Myvintageiron75123 жыл бұрын
Glad it was helpful!
@MrStinky20116 ай бұрын
Thanks for this. Love your channel.
@gfd6353 жыл бұрын
Thanks. Best description I've ever had!
@Myvintageiron75123 жыл бұрын
Glad it helped!
@scumbagchris57763 жыл бұрын
I’m new to the motor skills world and good lord the analogy and vocabulary this guy really made it simple to understand even though I don’t know a lot of the work he’s explaining he’s did a amazing job helping me understand this
@anthonyfama49823 жыл бұрын
You my friend are an awesome teacher. I wish you were my mentor.
@100amps3 жыл бұрын
Another great, informative, insightful lesson. Thanks man. I was one of the ones out partying, (so you didn’t have to.)
@renniemaharaj54293 жыл бұрын
Excellent information. Love these videos . I have really understand how an engine works an how to get d most power an efficiency from an engine.
@Myvintageiron75123 жыл бұрын
Glad to help
@MegaCountach Жыл бұрын
Really valuable information... love it! Thanks for your knowledge! Cheers, Doug
@kenswitzer41333 жыл бұрын
Not expecting you to know it ALL. What you have explained is very helpful
@Myvintageiron75123 жыл бұрын
Glad it was helpful!
@richardrichard4394 Жыл бұрын
Another great vid Thank you lobe separation old school chip stand sound hard to beat with some snort available, Real Sreet car
@davenkaren25722 жыл бұрын
WOW!!! You are an amazing teacher!!!! THANK YOU!!!!
@gorerira15023 жыл бұрын
Best cam video on KZfaq!
@Myvintageiron75123 жыл бұрын
Glad you think so!
@k.c.williams3385 Жыл бұрын
Man, this video is so informative. I love it
@Myvintageiron7512 Жыл бұрын
Glad it was helpful!
@Josh1776_PAW3 жыл бұрын
Love it! So much knowledge and learned tricks, sir the time u spent in that dyno room and with a wrench in your hand well worth it! Thank u so much for the info great video!
@Myvintageiron75123 жыл бұрын
Glad to help
@aamersattar69063 жыл бұрын
I've got to say it again. Absolute Gold. Thank You. much Much much appreciated.
@Myvintageiron75123 жыл бұрын
Glad you enjoyed it
@michaelgarrow32393 жыл бұрын
I had a 289 in a Maverick back in the 70's. 351 heads and a stock cam, 550 holly and headers. Ran great! Lots of power from the bottom up and 24 MPG.
@DANTHETUBEMAN2 жыл бұрын
One of the best engines ever made. Big heads and a RV cam.
@daimyo_one3 жыл бұрын
I watched the first video like 5 times before I bought my cam. Glad I did vs to reading all the gm truck forums and picking some huge cam for my 5.3
@Myvintageiron75123 жыл бұрын
Nice work!
@christophermix68453 жыл бұрын
You can't hardly trust anything anybody says on the forums lol.
@UltimateRoadWarrior93 жыл бұрын
Nice how you added part 2. Great stuff! You tackled the basics and opened my mind to what's going on. If I ever do another 3rd Gen Camaro, it'll be with the LS1 and that's why I'm downloading your cam videos and burning them to DVD. Knowledge is Power! Thanks for sharing your knowledge of 30+yrs
@Thumper683 жыл бұрын
Your right knowledge is power. After downloading you would be much better off using sd card and or usb stick. DVD is already dead most PCs don’t even come with them now and they are easily damaged and no good.
@Myvintageiron75123 жыл бұрын
Glad it was helpful!
@firstNamelastName-ho6lv21 күн бұрын
Dvds will last a lot longer than the captured electrons in a usb stick.
@mookandairin3 жыл бұрын
Damn good videos crashed some dreams and opened my eyes good job love hood info
@VanPelt013 жыл бұрын
You have done such an amazing job with your two videos here! I have a LS1 which I'm stroking to 383 and it's already supercharged. I have the stock stall converter in and it's a daily (luckily I don't sit in traffic going to work and want to keep the stock stall in). I know the SC is better suited to a LSA of around 118 but I do want some chop and down low-torque. Was thinking a 222/230 with .6 lift and 112 LSA for some chop. I'm not trying to reach a power goal, just want it to have low-end power and torque. The car is a WK Grange so around 2.2t with me in it. Thanks from Australia!
@ryanhayes88883 жыл бұрын
I watched almost all your videos, so much great info!! I would love to see simular video for the Ford Fe motor, I'm currently building a 390fe and the 1st cam video was a huge eye opener.
Thank you so much! My ‘79 corvette should make over 500 hp from my 396 going in next year! Thank you!
@DadbrosGarage3 жыл бұрын
Thanks buddy, I about to get my 454 BB back from the machinist and I am about to start putting it all together.. Your knowledge is extremely helpful
@Myvintageiron75123 жыл бұрын
Glad to help
@ezkempinkemp3467 Жыл бұрын
Thanks for an excellent video!
@dennisstreet10392 жыл бұрын
Listen to the dude.he is a master teacher. and take much notes.
@Cozman4303 жыл бұрын
Great video, I am currently looking at cams for my 427 BB corvette, very helpful.
@Myvintageiron75123 жыл бұрын
Glad I could help
@w41duvernay2 жыл бұрын
DEPENDS ON What heads you are running and what you want to do.
@bzster Жыл бұрын
Your videos are always so informational! I love learning the math behind determining redline, calculating horsepower based on head flow numbers, etc! Can you make a video on how to select cylinder heads? I’m sure there are a lot of variables to calculate there too.
@mikecrawford7152 жыл бұрын
Excellent information thank you for taking the time to share.
@revhead4083 жыл бұрын
Amazing videos!! So well explained. Thank you.
@Myvintageiron75123 жыл бұрын
You're very welcome!
@pauldhiman83693 жыл бұрын
Smartest man on youtube👍🏽
@armandolopezdj28553 жыл бұрын
YOU'RE AWESOME THE WORLD NEEDS MORE PEOPLE LIKE YOU GOD BLESS 👍
@Myvintageiron75123 жыл бұрын
THX!!
@brianharvey82873 жыл бұрын
Thanks for the very detailed and informative presentation. I am an amateur DIY mechanic at best but this information is going to help me immensely.
@Myvintageiron75123 жыл бұрын
Glad it was helpful!
@drakebowers97943 жыл бұрын
Keep making the great vids man
@Myvintageiron75123 жыл бұрын
Thanks, will do!
@CarminesRCTipsandTricks3 жыл бұрын
I liked part 2 even better! Even if it was mainly LS based, and I don't see myself getting one - unless I can find a 1982-87 El Camino.... And considering that I'm 56, and haven't been able to afford ANY Car for over 8 years, that's not happening soon enough. 😭 BUT I bored you with that story in the last Video of yours I saw. I actually left more of a short story than a comment!! 😖 Sorry. Even though I've been doing this a long time too, I'm thoroughly enjoying not only a refresher course - but a lot of things that I'm learning for the first time! I've been out of the game for almost 15 years.... I get the feeling that you are the one who will be catching me up! 😉 Carmine ✈🚂🚙
@mikelegge68452 жыл бұрын
Another great video! Very well done and easy to understand, especially if your new to LS like my old ass!
@Myvintageiron75122 жыл бұрын
glad it helped
@Meche6973 жыл бұрын
Valve spring pressure/selection? These 2 videos are AWESOME.
@davidperez64933 ай бұрын
Ty you for your help your one of the BEST TEACHER of the world wide web
@jimclarke11083 жыл бұрын
Excellent in depth explanation ,iv saved all these video)))
@Myvintageiron75123 жыл бұрын
Glad you liked it!
@johnz82103 жыл бұрын
Wow, that was great. Thanks for taking the time to do this. I'm glad you mentioned the old cast iron heads being garbage compared to what's available now - those old V8's were designed shortly after World War 2. I mean if the basic design came out in the '50s, it was probably being worked on in the late '40s. We've come a long way since then with engine breathing and longevity.
@brianmichaels51423 жыл бұрын
I have a few sets of cast heads that I'd put on a flow bench against Vortecs or anything Summit sells.. the extra weight of em is the only complaint I have.. but the cool factor more than makes up for it..
@johnz82103 жыл бұрын
@@brianmichaels5142 That's cool. I'm installing a set of Dart iron heads on a guy's '68 Chevelle SS 396 right now, and you're definitely right about the weight of them. Heavy. But it is cool.
@brianmichaels51423 жыл бұрын
I actually had a guy message me this morning with a set of iron darts for sale.. then he went to check the numbers and get me pics, and found another set of the big valve ones he had forgotten about.. LMAO.. I guess it's the universe telling me I need to have em..
@leosun84693 жыл бұрын
Fantastic information- thank you for sharing. I am a subscriber now!
@Myvintageiron75123 жыл бұрын
cool Thanks
@nezabytes2 жыл бұрын
This guy and Richard Holdener: Bald, white, middle aged men with glasses are automotive geniuses! ROFL! I finally learned how to pick cams after 13 years! I watch this every night!
@davidcollis47583 жыл бұрын
The heads back in the late 70's and 80's was purely engineered for exhaust emissions. Manufacturers were still using carburetors which can't adapt to changing engine and atmospheric conditions like cold and hot days or altitude. Fuel injection was in it's infancy and was at least 10 years away from being reliable and more commonplace. Fuel injection made it easier to tune an engine and was able to more precisely meter the fuel for better power and emissions.
@zapa473 жыл бұрын
They had Fuel injection at least in the 50s. I always thought it was economics that kept them out of mainstream cars until the 80s.
@davidcollis47583 жыл бұрын
@@zapa47 Economics were one of the reasons. Most fuel injected Chevrolet Corvettes had their fuel injection units removed and were replaced by a carburetor. In the late '70's Cadillac offered fuel injection on the full size Cadillacs but it proved unreliable and problematic so it was discontinued and most were converted to a carburetor.
@CousinEddie. Жыл бұрын
I know I'm late to this video, but thanks for making it and explaining the what and why, I was absolutely the guy who would ask "this is what I got, what can I run?" Now I can have a more educated conversation with my speed shop and achieve my goals the 1st time
@Myvintageiron7512 Жыл бұрын
glad to hear and remember there is nothing at all wrong with consulting experts on cam selection the more informed you are the better
@19jody723 жыл бұрын
Now that's some science! Very well explanied.
@wannabefarmer60563 жыл бұрын
Really appreciate the videos on "engine theory" this type of education teaches someone to teach themselves no matter what engine they are working on. I do this in my line of work as a lead tech at a large dealership. It's all about application of concept. For me though (not my trainees) can you do a video on the effect of length and diameter of exhaust? Does length matter with specified diameter? Does diameter matter specified length? Also in my personal life I own and build roots blown engines. Expensive love lust hobby🤫
@23steph132 жыл бұрын
You were on a roll man! You could've went all night! Steph Curry of Cams!
@Texasmule Жыл бұрын
I have .510 lift and it's absolutely amazing for my 350sbc
@dustinmann70313 жыл бұрын
I’ve watched both your videos and I believe I can choke my own cam and even be able to know the hp the engine will produce, thank you so much!
@Myvintageiron75123 жыл бұрын
Glad to help
@sambananas45133 жыл бұрын
Excellent follow up to the first part. My story is similar to yours only I was doing the partying part never got to the engines. You missed nothing!
@stevew2709 ай бұрын
I have a 2008 Grand Prix GXP with the 5.3, it can hold its own, they are fun as hell to drive, that is if you can keep and transmission in them and deal with the torque steer.
@jimmyjaco57592 жыл бұрын
Great video
@crash1769Ай бұрын
Thanks Myvintageiron7512 very informative. I watched part 1 and part 2 about four times. Especially part 2 about scavenging. It finally understand the concept. But then again I am a firefighter and if I could read or write I would have been a cop. LOL
@mghoward743 жыл бұрын
Love this video. NOW GO SIGN THE RPM ACT NOW!!!!
@kendebmast97283 жыл бұрын
Great video! Thanks
@jeffjames62402 жыл бұрын
Great videos.. heres my opinion on one part of cam selecting. If my heads intake flows say 250 at .500 lift, I like selecting a cam with a little more lift than .500. Here's why, if the cam is ground with say .520 lift intake valve lift it allows the cam to have more lift at every degree until it gets to max left of .520. In other words more area under the curve if the lobe was drawn on paper. It will allow the valve to be open a little more at each degree of crank rotation than if ground with .500 lift. The valve is at that max opening for a very short time.
@yolandalindsay8368 Жыл бұрын
Well, somebody had to make the big sacrifice in order for us to now "know & learn". Congratulations on a wealth of "hOw tO".
@williamcoiner60192 жыл бұрын
Nicely explained.
@jasonhaggerton3 жыл бұрын
You sir are bad ass! Thank you.
@johnlipsack26393 жыл бұрын
I did that with my 400 Old .. Only had 125 compressor. Would have been great at the salt flats. I did open it one night . Empty road way past125, had to take my foot out of it .started to lose control. but every thing you said is true.
@jjmccloud3 жыл бұрын
"Mild to crazy wild" freaking love it
@jadengot862 жыл бұрын
Can we get a part 3 on lobe separation, and/or an explanation on how to time the camshaft event as well as how it would look in a boosted application? I love the way you teach and i bet there are 1000s with that same question, the knowledge i have gained in the past hour will stay with me till i rest, so thank you