Hi:
First of all i'm sorry for loosing this info that I had once before.I had the numbers but the manifolds were not handy.These manifolds came from a 71 360 motor in a c body.My part numbers are as follows...#3418823 and 3418621. are they hipo manifolds?What will they fit? Can I use just the passenger side to any benifit,I know the drivers side will not work on my car (early A-body)that has the 273 manifolds still on it,or will this cause an imbalance in the exhaust flow,
or some improvement over the 273's

mike