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Labor Day Putting down your wrenches or time for
MORE wrenching? 
Plenty of places to share. | | Click on image for the lowdown. 
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| | | Forums66 Topics128,018 Posts1,055,233 Members48,417 | | 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: Aug 2021 Posts: 4 Moderated | | Moderated Joined: Aug 2021 Posts: 4 | Anyone know some guidelines for timing a propane engine? I know they have to be advanced over gasoline but I don't know how much. Furthermore, I am sure it would vary with the engine. This is on a 396, unsure of the exact year but sometime in the 60s. It is completely stock. | | |
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