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International Automotive Technicians Network
Re: Old Cast Iron block Tap recommendation needed
Posted to Tool & Equipment Forum on 3/6/2026

Hi Pawanjit:

If you can post a pic it might be a tad helpful.... Are these galleys located by the front timing cover??

First:

How deep/thickness of material on the side/wall?

Is it "meaty" enuf to allow for tapping and a proper threading of plug?

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