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Old 01-30-2013, 01:02 AM
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327NUT 327NUT is offline
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Hard to say about the clearances but the Buick and Chevy share the same exhaust port configuration. I don't know how close the ports are off but with some good fabrication you should be able to change out the flange. Make sure you buy 3/8" thick flanges though, more material to weld to and less chances of warpage. You can find the flanges on ebay, I bought a nice set of 3/8" for $45...shipped.
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