OMC 460 Cobra exhaust risers
09-11-2004, 03:39 PM
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OMC 460 Cobra exhaust risers
Any suggestions on where to find stock risers? It seems nobody makes replacements (aftermarket) and there is a "national" backorder until Dec. from Bombardier. These are for a Donzi 33.
09-11-2004, 04:14 PM
#2
Toxic FORMULA
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Re: OMC 460 Cobra exhaust risers
Depends on how desperate you are , but I had a 460 KC and used Imco Powerflows for a BBC with adapter plates that were also made by Imco.
If you compare a BBF and BBC exhaust gaskets you'll find the centerline on the ports are almost identical. The adapter reshapes the ports and relocates the bolt holes. It's even tapered at the top to cause the riser to tilt inward to it's original location
If you compare a BBF and BBC exhaust gaskets you'll find the centerline on the ports are almost identical. The adapter reshapes the ports and relocates the bolt holes. It's even tapered at the top to cause the riser to tilt inward to it's original location
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