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Click on image for the lowdown. 
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| | | Forums66 Topics128,051 Posts1,055,730 Members48,426 | | 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: Dec 2015 Posts: 2,063 Big Bolt Forum Moderator | | Big Bolt Forum Moderator Joined: Dec 2015 Posts: 2,063 | Per the Owners Manual you ALWAYS park in Low Range. This prevent gravity from pulling the vacuum actuator out of Hi Range while it's parked allowing the rear to fall between gears and letting it roll away... Mike B  Mike B, mine was not parked, I was moving it in the yard and the engine died, (loss of vacuum, in that case!) and BOOM. | | |
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