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Old 01-01-2026, 09:47 PM
Mwieczorek Mwieczorek is offline
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Join Date: Mar 2021
Location: Imlay City, MI
Posts: 67
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Quote:
Originally Posted by Lee View Post
" I replaced the front push in plugs with threaded plugs."

Did you perform the drilling & tapping before the block went to the machine shop, or after it came back?
I tapped the plug holes before I took it to the machine shop. The block came back surprisingly clean! and I did run a brush and mop down all the galleys before I put the plugs in just to be sure.

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Matt Wieczorek
1966 Bonneville Hardtop Coupe (family cruiser that we take to car shows)
1967 GTO hardtop, 400HO, 4 speed (don't ask, its a basket case)
1973 Grand Prix SJ (currently doing a rolling restoration)

Trying to find that "sweet spot" between Roadkill and Concours d'Elegance
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