Z28 rwhp lt1
#11
Aluminum are like a silver. Where else iron heads would blend in with the block. Don't worry though, you have aluminum heads. All F- and Y-body LT1's came with aluminum heads. B- and D-body cars got the cast iron heads.
#12
Otherwise, why would anyone even mention the heads?
#13
Originally Posted by Mikey.
Not to thread jack, but how do you determine which heads you have?
#15
I sure hope he does! I don't know why any one would switch to cast iron! Haha.
#18
To the OP. Understandable why you went with iron heads. 90k miles isn't bad, assuming the engine was well taken care of. Personally, I'd put away for a rebuild and hold off on the cam and work on basic bolt on's and aluminum heads. But that's me.