i have mr gasket ultra seal from autozone,they seal fine,but they are made of some compressed matreial, my .02
72.
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www.superchevy.cjb.net
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1972 Custom Deluxe/10
mild 350: Hedmen headers and dual 3" exhaust ,harlin sharp roller rockers ,MSD ingnition ,Mallory dual point K&N 14x4 air cleaner ,Holley 600 4bbl ,Edelbrok Proformer intake
TH350 with lock up verter and 1600 stall
American Racing 15x8.5 and michelan 28x8.55
CHEVY makes HORSEpower,while ford makes ponypower
Bowtie or nothing!