qwik240z Posted August 1, 2004 Share Posted August 1, 2004 I worked on the exhaust manifolds today. Sad to say the Hummer H2 manifolds will not work. I hacked them up too. I completely removed the flanges and they still don't fit. They bulge out and hit the steering rod on the drivers side and the dump angle is really off on the passenger side. I also tried the stock Camaro manifolds and they won't work either. I guess I will be going with headers too! Oh Well, it was worth a try. Quote Link to comment Share on other sites More sharing options...
jeromio Posted August 2, 2004 Share Posted August 2, 2004 What year FBody exhaust manifolds did you try? I have 1999 units on mine and they fit fine. I had to hammer on the heat shield on the dirver's side - and of course I removed the stock flanges. Quote Link to comment Share on other sites More sharing options...
mas28O Posted August 2, 2004 Share Posted August 2, 2004 David, I put on a set of 99 Manifolds and they fit ok. Mike Quote Link to comment Share on other sites More sharing options...
qwik240z Posted August 2, 2004 Author Share Posted August 2, 2004 My F body manifolds are 2002 from a Camaro. The JCI motor mounts make things alot tighter on bothe sides. On the drivers side the square bar that goes back to the T/C mount takes up alot of room. On the passenger side the mount doesn't really get in the way but the way the mounts center the motor, the motor is more to the passenger side making it tight. Maybe I was just getting frustrated. After grinding and cutting for 2 hours and test fitting and re test fitting over and over I kind of got tired of it. I will try the Fbody manifolds again. Quote Link to comment Share on other sites More sharing options...
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