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Mod | | | Forums66 Topics128,014 Posts1,055,324 Members48,419 | | 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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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Jul 2010 Posts: 65 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2010 Posts: 65 | HI
I'm using AC46 Sparkplugs in my 37 1/2/ton
Can any on tell me the thread size and thread type?
Thanks
Den | | |
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