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Mod | | | Forums66 Topics128,042 Posts1,055,509 Members48,424 | | 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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#18061 05/01/2002 2:51 PM | Joined: Mar 2002 Posts: 12 New Guy | | New Guy Joined: Mar 2002 Posts: 12 | I've got a rebuilt chevy 250 with 3k on it and want to know if these oil pressure reading are acceptable: 30 psi at start-up, 8-10 psi warm idle, and 20-22 psi driving? Thanks. | | |
#18062 05/01/2002 2:59 PM | Joined: May 2001 Posts: 1,904 'Bolter | | 'Bolter Joined: May 2001 Posts: 1,904 | I hope those are OK because I have about the same (or a little more) for the '53 235 in my '48.
1948 3/4-Ton 5-Window Flatbed Chevrolet 34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.
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#18063 05/02/2002 12:13 AM | Joined: Apr 2002 Posts: 146 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2002 Posts: 146 | Those numbers are low. My 1962 235 has 25 at idle and 50 when its going. I'd run heavy oil till I found the problem.
if it dosen't need fixed, break it
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#18064 05/02/2002 12:35 AM | Joined: Jan 2000 Posts: 1,586 Extreme Gabster | | Extreme Gabster Joined: Jan 2000 Posts: 1,586 | Those readings are low on either engine.The oil pressure at idle is too important but its nice to have at least 35 psi hot and driving down the road.If the pressure has been low and steady for a long time, and you don't ream the snot out of the engine,just drive on.A length of duct tape over the guage will lessen oil pressure anxiety syndrom | | |
#18065 05/02/2002 5:45 AM | Joined: Jun 2000 Posts: 2,773 'Bolter | | 'Bolter Joined: Jun 2000 Posts: 2,773 | Tony's been watching Red Green again! 
Fred
52 3600
69 C-10
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