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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 Topics128,010 Posts1,055,298 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!
| | THANKS!
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: Mar 2002 Posts: 12 New Guy | | New Guy Joined: Mar 2002 Posts: 12 | Does anyone know the correct timing for a '68 Chevy 250 six? | | | | | Joined: Jan 2002 Posts: 24 Member | | Member Joined: Jan 2002 Posts: 24 | 4 degrees BTDC with the vacuum advance disconnected and plugged. Idle 550-600 rpm for manual and 700-800 rpm in park for automatic at operating temp.
Beat to fit, paint to match
| | | | | Joined: Mar 2002 Posts: 12 New Guy | | New Guy Joined: Mar 2002 Posts: 12 | | | |
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