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Click on image for the lowdown. 
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| | | Forums66 Topics128,196 Posts1,057,382 Members48,471 | | 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: Feb 2014 Posts: 215 Shop Shark | | Shop Shark Joined: Feb 2014 Posts: 215 | The leakage issue supposedly occurred when synthetics were new on the market. Now they have additives in the synthetic oil to help swell the seals and gaskets and prevent leakage. | | |
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