My '57 Skyliner, 312 Y-Block has a leaking freeze/core plug - RH side, rear, right above the starter. Can this one be replaced with the engine in the car?
Is it best to replace all 4 plugs, but still with the engine in the car? As you can tell, I've never done this before.
Thanks in advance,
Is it best to replace all 4 plugs, but still with the engine in the car? As you can tell, I've never done this before.
Thanks in advance,
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