Quote:
Originally Posted by supereal
It plugs the front of the oil gallery, and provides access to clean out the gallery during overhaul. We also remove the plugs from a crankshaft before grinding, then tap the holes to insert plugs. It is surprising how much crud is found in the oil passages in a vrank.
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Superial, I'm sure you know his 59AB does not have clean out plugs in the crank like the 8BA crank. Speaking of 8BA engine, the line plug behind the cam gear is 3/8 thin pipe plug, it don't have that little extention like the 59ab plug. Funny a little thing like that keep us wondering. Walt