Chevy 454 Exhust System Cracks
Hi Judy, I don't think the stinger system would help all that much with the manifold cracking, the stinger system will give you abit more power and the engine may run a bit cooler not a lot in either case. The full Banks system will of course eliminate the cracking and give you more noticable power. There are a couple of simple low cost things you can do the may work, 1. always cool the engine down for 5 min. before shutting it off, I did this even when I stopped for fuel, I NEVER just shut it off, we hqad both a Chevy 454 & a Ford 460 and never had a crack in either one(still have a 460 with 122000 mile and orginal exhausts), 2. make sure the the exhaust pipe is well supported close to the manifold connectionthis is very important as it relives the stress of wt. and hepls with the expansion and contraction stress, also make sure that the tail pipes are aligned all ways. Good luck with your problem.
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