Keep the suggestions comming!

I didn't want to chime in too early because I wanted to read everyone's experience. I think that a .050 to .060 hole might be big enough but I can only guess because I have only put about 25 miles on my street engine with the bushings. When I first started using bushings in race blocks, a guy named Fred Flagle did my first block. He used to be Bob Gliddens only hired helper back in 1978 when Bob went the entire season undefeated. He put .025 oil holes in those bushings but I had trouble with some of the pushrods getting enough oil so I went to an .040 hole and never had any problems after that.

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