Quote:
Originally Posted by kpbrown31
After searching on here, it seems the consensus is to just drill the rear, passenger side plug? And NOT the front plug to lubricate the timing chain. I had some plugs that came with a block and the rear one seems like it was drilled to .030 with an eyeball test, but the front plugs almost look like a 1/16". I just planned to throw the front ones away and replace with standard, non-drilled plugs. Also being mindful of plug depth to avoid oil starvation.
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I put a hole in the front driver side plug in my motors. I noticed no difference in oil pressure. More oil on the chain is a good thing.