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Mod | | | Forums66 Topics128,157 Posts1,056,894 Members48,458 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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#36295 01/12/2004 2:48 PM | Joined: Jul 2003 Posts: 252 Shop Shark | | Shop Shark Joined: Jul 2003 Posts: 252 | Went hunting for a set of fresh plugs for the '61 235cid in the Apache. Old plugs were R45T AC Delco. All I could find quickly was a set of R45 Delcos. The R45's use a compression ring at the base and have 13/16" lug as opposed to the 5/8" that came out of there. The new ones fit fine, and I gapped them appropriatly. However they seem to be a little "shorter" in terms of what is exposed on the INSIDE of the head (in the combustion chamber). Am I looking for trouble with these plugs? | | |
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