01-24-2017, 10:22 PM | #1 |
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Join Date: Aug 2012
Location: St. Croix River Valley, WI
Posts: 795
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Drill and Tap block?
I'm in the process of adding Power Steering to a 350 SBC which has bosses that are not drilled to accept the power steering bracket that goes with the short water pump.
While I could just go with a long water pump, I'd really like to stick with the short water pump. I'm curious to hear from anyone who has had to drill and tap these holes in a block. I think I've learned that the hardware that holds the pump bracket to the engine are 3/8" diameter. Anybody know how deep the holes in these bosses need to be? I'd hate to "drill through" a completely good engine block... I'm familiar with drilling holes in cast iron as well as using taps, but just a little shy of messing up a good running engine. Any thoughts or experience you guys have is greatly appreciated.
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