| |
Click on image for the lowdown. 
====
| | | Forums66 Topics128,087 Posts1,056,344 Members48,442 | | 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: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | Those vents are there for air to enter while the truck is going down the road. The draft tube is supposed to draw crankcase fumes out the bottom. You should take the draft tube off and clean it. It is also possible that you have worn rings. | | |
|
|
| |
