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Ask & Answer question about Headers and Exhaust System

44K views 38 replies 21 participants last post by  azcajun 
#1 ·
Ask & Answer question about Headers and Exhaust System
 
#34 ·
LS1 Exhaust Manifolds

I have a 1963 GMC that I am installing a LS1. I got a LS1 install kit from CPP. The cast iron exhaust manifolds exhaust toward the rear of the engine, this is in conflict with the slave cyclinder . Will the block hugger exhaust headers fit this pickup and have clearance for the clutch components ?
 
#35 ·
Some guys have used the stock F-body hedders with no issues.....
 
#36 ·
Big block headers

I have full length headers on my 71 with a 468 big block. They hang too low and are only about 3 1/2” off the ground at the collector. I heard some people use Chevelle headers because they tuck up closer to the frame. Has anyone used Chevelle headers that fit well? Part number would be nice.
 
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