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Mod | | | Forums66 Topics128,088 Posts1,056,114 Members48,434 | | 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!
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#52202 11/10/2005 4:04 PM | Joined: Oct 2005 Posts: 29 'Bolter | | 'Bolter Joined: Oct 2005 Posts: 29 | I have a GMC 2T flatbed w/ 2sp rear end that shifts off of manifold vacuum on a dash switch. It occasionally slips out of gear under load, causing engine to race. Lines appear to be intact, and I am wondering if I should pressure test the lines or simply convert it to a solenoid shift, if this is possible. Any thoughts? | | |
#52203 11/10/2005 6:57 PM | Joined: Apr 2002 Posts: 1,571 Shop Shark | | Shop Shark Joined: Apr 2002 Posts: 1,571 | Sounds like a leaking line or diaphragm. I'd like to convert my 350 2-speed rear over to electric, so if anyone can help, I'm also interested. | | |
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