Re: Oil pan gasket replacement for 1972 GMC 402 engine
I changed mine (no A/C) and it was relatively easy. I unbolted the exhaust, removed the shroud and fan, and jacked the engine up under the balancer. As stated, I put a 2 x 4 between the mounts to hold it up. No problems.
Here is another suggestion; Buy the Fel-Pro 1 piece pan gasket. After trying to replace the gasket with the 4 piece deal, you will thank yourself by going with the 1 piece gasket.
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