12-23-1999, 02:55 AM

Bill Meyer Bill Meyer is offline

Chief Ponti-yacker

Join Date: Dec 1999

Location: West St Paul MN/Mesa,AZ- depending on weather

Posts: 845

I need to put a set of RAIII exhaust manifolds on my '70 GTO. I've heard that there are two different reproductions avail.
One is supposed to be better for using 2 1/2" pipes with. Can anyone help with this ?
Also, I saw an offering for aluminum ones. How would they work on cast iron heads (#12)?
Would the only advantage be weight, or would they flow better?? Thanks, Bill

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GT37 3625lbs..Fastest bench seat, column shift, all steel,no power adders car at Norwalk
1.35 w/29.5x10.5x15
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10.09 @ 133

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