Thread: How much to drill and helicoil head bolt threads
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Old 03-25-2011, 07:56 PM
samiam44 samiam44 is offline
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Join Date: Aug 2008
Posts: 436
the older engines.. it was quite a task. You purchased a drill jig- $300, plus then would wear out several taps in the process.

IF it was overheated badly... maybe find a used motor- plentiful and cheap.

M
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