Quote:
Originally Posted by jamesj1996
hey guys finally got my exhaust leak fixed and got a new gasket. this has been a common issue for z's. i have berk cbe and berk hfc. the gasket between the exhaust manifold and hfc blew out on passenger side sending off a CES. i got it fixed but who knows if it will come back. thats what im afraid of...my buddy who fixed it said "hey it could blow again tomorrow or in another 20k miles....what do i do..i only drive it hard sometimes. i shift around 3-3.5k sometimes 4k and i jus cruise in high gears....i dont really drive it hard. i just dont want this to be a continuous issue
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You need to make sure the flange between the header and Berk HFCs aren't warped, otherwise the gasket will not be able to sit flush and it will eventually leak. Some people use RTV, but a lot of times it blows out from the heat.
Below is an example of a warped flange...
Only way to completely fix the issue is to run a Donut style gasket. The only option compatible with them are the Motordyne ART pipes.