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Mod | | | Forums66 Topics128,049 Posts1,055,658 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: Jul 2014 Posts: 892 'Bolter | | 'Bolter Joined: Jul 2014 Posts: 892 | Air has been coming in through the oiled gauze filter in the breather cap. I haven't rigged up a hose to the air cleaner yet. I didn't get the truck air cleaner from the wrecking yard when I got the motor. I'm sort of reluctant to cut into an original oil bath air cleaner.
I've worked on many engines that ran a vacuum in the crankcase. They would stall if you opened the system, Saabs and BMWs of the 70s for example. They'd come into the shop with a bad idle and it often turned out to be the o-ring on the dipstick tube.
1951 3800 1-ton"Earning its keep from the get-go"In the DITY Gallery1962 261 (w/cam, Fenton headers, 2 carbs, MSD ign.), SM420 & Brown-Lipe 6231A 3spd aux. trans, stock axles & brakes. Owned since 1971. | | |
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