Chris, no matter what the books say, headers for your 72 supreme are the same as the headers for a cutlass or a 442 w/ the 350, chassis are all the same. Don, you have done just about everything that you can do externally,now it's time to add a good street cam and rearend gear change to add the oomph that you're looking for.
[ February 20, 2005: Message edited by: mike88 ]
[ February 21, 2005: Message edited by: mike88 ]</p>
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