Anyone drilled and tapped the '96+ block for oil/water on the exhaust side?
#1
Anyone drilled and tapped the '96+ block for oil/water on the exhaust side?
Subject says it all. Looks like the bosses are still there. I am a bit hesitant to try it with a hand drill (block is too big to fit in my drill press) but I also don't particularly like the idea of running the oil from over on the intake side.
#5
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You should be able to do it if you tap it for NPT, so you don't need a crush washer. Getting a perpendicular and flat surface so that you can use a crush washer is going to be difficult without the right tools though, but is possible.
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