Posted by Tom Petroff (IL) [172.71.254.54] on Saturday, March 02, 2024 at 17:36:34 :
In Reply to: Vaughn, Chey 327 heads up posted by Keith in Washington [172.71.142.68] on Saturday, March 02, 2024 at 15:33:26 :
Your right Keith.
Had a few 283 and 327 engines in the day.
I take a 1/4" drill and depen the hole to
A little over 1".175 in depth.
Then a .390" tap drill for 7/16-20 NF bolt to
Drill the whole thing out.
Tom
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