Thread: Update on VE cams?

Glad youve been able to enjoy the car. I just cant wait to get mine together hopefully everything goes smoothly to where I dont have to do anything major for a while.

Are you gonna put 85w140 back in the trans now that its warm or what are you running in there now?

Well, I have come to the conclusion that working and building on the car is just as much fun as driving it.

I am still using 75w90. I'm gonna see how far I can push it before the transmission breaks. If it breaks, at least I know Spec V transmissions are easily found and cheap.

Yeah, it seems to have held up to more power and definitely for a lot longer than any other trans you have had in the car. Seems like every month or so you were posting up carnage of the p11 stacks, lol.

I dont think your going to break it any time soon

So far I've beaten this trans way more than the P11 transmission. I've slammed into 3rd gear spinning tires with no issues. I could blow up the P11 stacks at will lol. Seriously.

Yeah, So far mines been perfect. I slammed 3rd and 4th several times during and after the tuning process on the last setup. 35psi of boost blowing the tires off completely lol Even 5th held. lol.

this is depressing. i'm a rwd guy and am planning/parts hoarding first ve (and i'm not alone). meanwhile you guys btdt and got bored.

I would be interested in comparisons of the cams in low backpressure situations as ashton says. I also have a question, should I be concerned about huge overlap in road course setting (30 min sessions) and the unburned fuel heating up the hot side? I'm thinking there is a sweet spot for overlap but i don't know where it is. i'm targeting 1bar with a 3071gtx.

props to u guys for showing the way

um for a 30r it would really depend on the hotside size, if you went with a large hotside you might be ok with cams such as the sr16 and n1's, I dont think you will have to worry about unburnt fuel as long as the tune is good and not overly rich.

I think with the 30r and roadracing you would be best with 20v or VET cams honestly. It will give you much better low end grunt and doesnt have the high overlap so you could run the smaller hotside if you wanted and not have issues.

Coheed did the VET cams on his 30r and it picked up massive gains. He would be a better one to answer that as he has actual experience with the 30r and VET cams.

and here I thought everybody hated the vet cams. i'll have to search for that discussion.

I'm willing to do any hotside plumbing for the ve head. I was going to take a crack at building the mani myself, so everything is a variable. its currently got a standard t3 housing on it now but i can swap that out for something else.

if ur bored, how about a compound turbo setup with a small turbine (ie: 2860) and a large turbine (35r). that way you can match the characteristics of the low cam profile to the 2860 and the high profile to the 35r.

taking step further, you could instrument the 35r with a speed sensor and switch cam lobes whenever the shaft speed hits a target efficiency.

High overlap cams can work great for turbo. The intake pressure and exhaust pressure need to be treated like they are in an NA setup. Having the right BP/boost ratio can yield massive gains with the right cam setup.

Got high backpressure? Lower overlap cams would be the obvious choice. And I'll stick by that assumption based on my "theory" until someone proves me wrong with some factual data and some dyno results.

sr16 cams coheed , try them , might use those 1 time myself