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Click on image for the lowdown. 
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| | | Forums66 Topics128,034 Posts1,055,548 Members48,425 | | 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!
| | | | Joined: Mar 2002 Posts: 553 Shop Shark | | Shop Shark Joined: Mar 2002 Posts: 553 | I have this GMC 248 I'm getting ready to fire up. It's been sitting a long time. I drained the oil and there's some thick sludge still coming out. Is there something I can pour in to get the sludge out? Or should I just drop the pan? | | |
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