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Mod | | | Forums66 Topics128,087 Posts1,056,115 Members48,435 | | 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: Oct 2006 Posts: 4,983 Master Gabster | | Master Gabster Joined: Oct 2006 Posts: 4,983 | I have a new GM 350 crate with only 235 miles on it, and a 700R4 tranny. When I start it and run it at about 1500 rpm the oil gauge (new Classic) will bounce as much as 25 lbs. I hold it at 2000 rpm and the pressure sits at about 90 lbs. When I drop it to 1500 rpm the pressure drops to 75 lbs. At that point it will vacillate between 65 and 90. Sometimes the movement is erratic and sometimes it moves around slowly. At a slow idle it can drop to 20
~Jim
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