Anyone port OEM manifolds?
Talked to dealer and sad if you port exhaust manifolds it's no issue unless you remove cats or manifold cracks. If engine goes they will still warranty it....I'm just super cautious now.
I saw the guys ported thr c7 manifold got 12 rwhp and like 9 tq. I think our manifolds are stainless steel and wondering does anyone have pics of the z06 manifolds or how much material there is to clean up on them? |
Gains will likely be minimal on a supercharged car...more free flowing header will drop the boost a tad and nullify any gain.
|
Originally Posted by RC000E
(Post 1589969851)
Gains will likely be minimal on a supercharged car...more free flowing header will drop the boost a tad and nullify any gain.
|
Ditto. Boost is a measure of restriction. Less boost doesnt mean less power.
|
I've got a stock set you can molest and keep yours pristine.
|
Originally Posted by blown383c4conv
(Post 1589976184)
I've got a stock set you can molest and keep yours pristine.
|
Originally Posted by marcouvo
(Post 1589976650)
Would you like to sell your stock set?
|
Originally Posted by blown383c4conv
(Post 1589978650)
Shoot me an offer.
|
Blown I shot you a message also. Coating the header and cat pups will also help on heat Temps which I want to do also. I've installed the corsa mid pipes oj a few z06s that have been coated and makes a big difference in under tunnel Temps. I will keep everyone updated on this topic because for a warranty legal mod its worth it.
|
Originally Posted by NORCALSS
(Post 1589978983)
Blown I shot you a message also. Coating the header and cat pups will also help on heat Temps which I want to do also. I've installed the corsa mid pipes oj a few z06s that have been coated and makes a big difference in under tunnel Temps. I will keep everyone updated on this topic because for a warranty legal mod its worth it.
|
I'm going to go for it. I need to find the cat pipes also. I want to try to coat everything
|
I've done the mental gymnastics of ceramic coating the exhaust manifolds, and I keep arguing myself into a corner. Clearly, doing it will keep the engine bay temps down, which is never a bad thing. But the risk is that it'll just push the heat that would have radiated off the manifolds into the catalysts. That might hasten their death. Then again, maybe it wouldn't. Thus the circular argument.
Catalysts are seriously expensive and covered under a federally required 8-year/80K mile warranty. My concern is that if something did happen to them prior to the warranty running out, the dealer might attempt to deny the claim, using the coated manifolds as their defense. Round and round I go. |
I'm picking up a set of z06 manifolds from member here. I will be sending them to get ported
|
Originally Posted by NORCALSS
(Post 1589985252)
I'm picking up a set of z06 manifolds from member here. I will be sending them to get ported
|
I picked up 11whp/8wtq on my Z51 by porting & coating the manifolds, I'd expect the gains on the Z06 to be larger than that. Great cost-effective mod though, plus drops underhood temps a bit.
My results: https://www.corvetteforum.com/forums...manifolds.html |
Originally Posted by jvp
(Post 1589982481)
I've done the mental gymnastics of ceramic coating the exhaust manifolds, and I keep arguing myself into a corner. Clearly, doing it will keep the engine bay temps down, which is never a bad thing. But the risk is that it'll just push the heat that would have radiated off the manifolds into the catalysts. That might hasten their death. Then again, maybe it wouldn't. Thus the circular argument.
Catalysts are seriously expensive and covered under a federally required 8-year/80K mile warranty. My concern is that if something did happen to them prior to the warranty running out, the dealer might attempt to deny the claim, using the coated manifolds as their defense. Round and round I go. |
Originally Posted by Steve Snake Driver
(Post 1589997618)
Would a good wrap on the exhaust manifolds achieve similar benefits while being warranty friendly?
|
Originally Posted by Kracka
(Post 1589997651)
Wrap holds in more heat than a coating, plus is even more noticeable. I can't see either having any effect on catalytic converter longevity though.
|
Originally Posted by Kracka
(Post 1589997651)
Wrap holds in more heat than a coating, plus is even more noticeable. I can't see either having any effect on catalytic converter longevity though.
A few of us ZR1 owners had our catalysts eaten by our cars for reasons we really couldn't figure out. I've had both of mine replaced, for instance. I know of a few others: some track drivers and some not. The only thing we could assume was that it was exhaust heat related. Possibly due to the LS9 running so pig-rich that the unburned fuel killed them. If that's the case, would coating the manifolds and pushing that extra heat into the catalysts serve a similar function with a similar result? Dunno... round and round I go. |
All I know is dealer said will warranty since your not removing cats or moving location. They said its still oem piece so if motor goes it's not a issue....but if I cut cats off or remove cats then warranty voided.
|
All times are GMT -4. The time now is 06:12 AM. |
© 2024 MH Sub I, LLC dba Internet Brands