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478 Posts
Ok, so I've been searching around regarding aluminum heads. I picked up a set of #12551561 heads supposedly from a late 90's Camaro.
I read on here that just going aluminum hurts performance as the irons flow more. I mainly bought these because I might have an exhaust manifold bolt on my 9C1 irons that likely isn't going to come out.
Should I get these babies ported before I put them on to get at least equal performance? Who is the best porter?? or can most engine/machine shops do it? Other than that I guess I should throw on some new springs...any other suggestions?
I'm not looking to go crazy fast...not going to race...just want to get all the header bolts in the heads and not lose a lot of HP in the process.
Thanks!
I read on here that just going aluminum hurts performance as the irons flow more. I mainly bought these because I might have an exhaust manifold bolt on my 9C1 irons that likely isn't going to come out.
Should I get these babies ported before I put them on to get at least equal performance? Who is the best porter?? or can most engine/machine shops do it? Other than that I guess I should throw on some new springs...any other suggestions?
I'm not looking to go crazy fast...not going to race...just want to get all the header bolts in the heads and not lose a lot of HP in the process.
Thanks!