nklebba

I have a 350 rocket 4 barrel in my 72 Cutlass S & I want to put in a 455 rocket 2 barrel do i have to change the heads since i am putting in a bigger carb

oldcutlass

Welcome, I moved your post to your own thread.

MDchanic

Eric, how about combining it with his other post.

- Eric

MDchanic

Oh, to answer your question, no, you do not change the heads. The same heads were used with both 4bbl and 2bbl, both high- and low-compression.

You would, of course, have to change the intake manifold, though.

Welcome to ClassicOlds.

- Eric

oldcutlass

I edited his other post in the newbie section.

nklebba

Ok Thank You