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When you're building a race engine for Nascar Daytona, how many cams do you build for that engine.

I like the “ take a break” at the end…. 😊

Hi Brian How do we go about working with you to spec up a LS Motor. L98 using E85 hopefully up around 15/1. Race only application. Circuit racing in 1350kg car. Tia Ash.

Absolutely awesome. Thank you so much for what you do.

Very valuable video.

Cool! Thanks for sharing!

"If you never taste the cake your bakin, how do you know what it is?" LOL that made me stop workin to comment

Had a guy that tried to make billable hours have me take a MSD-7 out of the car . I knew the shock mounts were isolated and took all connections off , not a problem .

Mr. Salter, Please don’t fall for the low class chicken shit comments made by others. We can all see right through it and for those that can’t, I don’t want to know them let alone acknowledge them any further than this statement. Actions speak louder than words. Hanging our hat on what ever we chose is our prerogative. Hanging our hats in places defined by chicken shits will only make a shit head out of us. Let them play tic tac toe in their own blood and shit soaked cockpit. They’re making a mistake and are only wishing to interrupt.

Hi Brian Thanks for your wealth of knowledge that you are sharing My question is when you measure the valve diameter and throat diameter to a 90% difference as an example but when you convert those two dimensions to area those two dimensions are no longer at 90% it’s now less so I was hoping you could help me out with this Thanks Anthony

😎 Thank You

Yes wrenches on the crank.... dont ask me how i know. Love your vids Brian, super enlightening and i dig your sense of humor. You make learning fun.

Another thing that I've seen and know about is water pump impellers. You really can't tell if a water pump is a certain flow direction (reverse flow versus standard flow) by the impeller because depending on the design of the entire pump those fins can be angled differently, mostly to avoid cavitation. This is somewhat addressed by the rpm the pump is spinning, which you covered, but it's just an inherent characteristic of whatever pump. Also, the number of fins those impellers have can be a topic. They rob power and if the engine is always at higher rpm all of those fins might not be needed to move the water required depending on a lot of other factors of course. There can be benefits to trimming fins off of water pumps in some cases. This was a trick I know was used in IMSA and SCCA racing on smaller engines back in the 80's and 90's for sure.

The less fin count per inch making an improvement in cooling actually surprised me. Thinking about it, it makes sense now, but I think part of my confusion was from a short presentation I saw many years ago during a NASCAR race where they were talking about the aerodynamics of the cars on super speedways and at that time they basically were making it so air DIDN'T go through the radiator by using fins at angles, which improved the aerodynamics of the cars and helped on those big tracks. At least that is the way it was presented more than 20 years ago now. My question is, was their explanation correct and if so, it that only applicable in that use case?

W/all due respect, the purpose of dual points distributor is to increase the dwell, thus increasing the coil saturation. Most likely you know this, but at the moment the words just didn't come out.

I could lisson to you all day. I've had questions on some things you say but later you explain the reason and it's all clear thank you for your time that you give us

Nope, nope and nope. Always ground as close to your weld as possible. If doing exhaust, ground goes on the very end. Better yet, put V-clamps on it and pull it to weld it. I've welding in chemical plants, on pump bases with electric motors and pumps on them, that can't be removed. We ground away from the pump, and if we can, put insulator blinds in. Same issue as what you're talking about. Makes bad bad things happen.

And the oil is a dielectric, same as the oil in an EDM machine, slight gap is how they work.

Welders I've worked with that have experience with magnetism problems can't get their arc right: it dances/pulls and putting a good bead down means a wrap or two around the pipe with their welding lead to nullify the residual field. The story here as told sounds like a return path problem: welding on one frame rail with return probably attached to the other [or midplate] and... sounds like all current passed through the motor to get there. I have always observed this, welding or gouging: anything with bearings in it has to be safeguarded - current can go around, but never through. As for valves with lash taking the hit? Other valves were off the seat, and clean oil [in guides] was acting as an insulator.

And today I was planning on new engine install. Later welding on my powder coated frame. I think I will reverse the order

I can’t say I have ever even considered this. I’ll keep this in mind.

Yep he's pretty much spot on excellent video !

Can you explain how Valve Lash affects AFR. I have always found that Lash can change AFR.

That little backfire trick makes me feel old

What’s your opinion on putting magnets in a oil pan or intake valleys ?

Good one!

yep the closer the better and I disconnect all the electric components just to be sure!! Got my hat Thx!!

Huge improvement on the intro

I once worked in an RV with a burned up crankshaft from it having the ground missing off the engine and it had been pulling ground from the back axle all the way up the driveshaft because it was insulated on rubber mounts everywhere else. Because somebody forgot to install the chassis ground on the block they destroyed the engine.

Well stated, sir. Velocity over flow every time. Bigger isn't always better

Had shock seals in coil over start leaking for same reason

Even on the ground side volts well seek the least resistance. You can’t grd to powder coat you have to grind it off

Can’t hear the pupils Ned to repeat what they say we miss the answers

I have had connecting rods come out of a running engine that were magnitized.

Thanks for doing these this is crazy stuff.😮

Please keep educating us. I’ve been an automotive technician my whole life and have drag raced on and off as a hobby and I’m learning things from you every time you speak ! I really enjoy your content.

Hi Brian, love your channel, always interesting and you have a great way of explaining and sharing your knowledge, thank you, but I felt I had to disagree with your comments on us exhaust guy's, we're not all the same, for every bad one there's 10 good one's, same as engine builders. By far the most common question I get on my channel is "why do you keep removing the pipe from the car to tack it? just tack it on the car" so I fully appreciate what you're saying, but just because there are some bad guy's out there, it doesn't mean we're all the same.✌👍

I've heard of this problem before. It's amazing how stuff works.

I never thought about magnetism in the engine. I was always concerned about electronics. Thanks alot! 😎

Very good information!!! Thanks for sharing. Also I may have encountered this exact same problem a few years ago. Now way to tell at this point.

Massive lesson here. I knew about the battery. .. but to hear the complexity of the full situation.. thankyou

That's real true information Salter! I've been doing cylinder head work for 25 years, and that 90% rule has been one to live and port by for at least that long. Anything larger(91%+) requires a crazy valve job and seat angles minimum. That's not my ball of yarn.....for most of my work and builds. These fucking clowns really make you wonder why you ever started sharing in the first place. I say we make our connections and leave the social media. Back to the times of "ancient Chinese secret"

Get one of the lighting globes or lava lamps from the 80s and stack light bulbs around it and they light up I have one in my room and soon as I touch the bulb it will illuminate twice as bright.

Well, you are a veteran, and you should know that a strong welding field can blow up your VA hearing aids. They have it in a video on the hearing loss treatment the VA offers.

Valve speed is power. Period.

Yep ✔️

Wow, what a great video.I really enjoyed this and was super educational. Do you have a brand of pistons that you think or better than the rest? I love the small block 400. What state are you located in? This was the first video of your that I have watched but I will be watching the rest. Great job and Thank You.

Spot on.

Oh bullshit just gas weld everything and you won’t have these problems. Lol.

Enlightening. Thank you Brain. I would never have considered this.