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05-19-2010 05:58 AM #2
I thought the 4.3L went down with the Astro.. in any case. '96 would be a Vortec block, which I know 350 vortec heads are 64cc, so the pistons are diffrent than the earlier heads with 76cc. swapping heads would probably work, but it may not have as much power as it shouldYou don't know what you've got til it's gone
Matt's 1951 Chevy Fleetline- Driver
1967 Ford Falcon- Sold
1930's styled hand built ratrod project
1974 Volkswagen Super Beetle Wolfsburg Edition- sold





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