Hello, fellow GP'ers. I have a 1971 J with a 400 and '99' Poncho heads
that are connected to Hedman headers. I may be wrong, but to the best of
my knowledge, Hedman is the only outfit that makes headers that will fit a
1971 GP out of the box.
My dilema; I want to put on Edelbrock Performer RPM Pontiac aluminum
heads. These heads are designed after the legendary Ram Air IV, thus they
*say* that they require Ram Air IV headers. G-T-O? Firebird? No problem.
But my neighborhood speed shop is having a tough time trying to come up
with a set of headers that will work/fit into my GP that will properly
connect to the Edelbrock heads.
Has anyone else had success with Edelbrock Performer aluminum heads on a
400 in a '71 (or '69, '70, or '72)?
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Mark Fearer
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Mark Fearer
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