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Old 07-13-2005, 02:54 AM   #1
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Join Date: Jun 2004
Posts: 119
Car: 1989 Trans Am
Engine: l98
Transmission: 700 R4
Axle/Gears: 10 bolt with 3.23s

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crazy oil pressure gauge

When the car is idling, the oil pressure reads under 30, but as soon as I touch the gas, the needle shoots up and goes past 60, like it's maxed out. So whenever I'm driving around the gauge is pegged past 60 - do you think the sender is just bad? Any help is appreciated. Thanks!
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1989 Pontiac Trans am
- Ttops, 350 TPI, removed cat, superturbo muffler, K&N, custom cold air intake, BBK afpr, jet airfoil, no emissions, TPIS egr block off
- Rebuilt 700R4 with shift kit and vette servo
- 3.23s
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Old 07-13-2005, 08:47 AM   #2
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Join Date: Jan 2003
Location: Houston, Texas
Posts: 2,042
Car: 88' IROCZ
Engine: 388 TPI Motown 350 Race block
Transmission: 700R4
Axle/Gears: 2.77

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Re: crazy oil pressure gauge

Quote:
Originally posted by huntingwood
When the car is idling, the oil pressure reads under 30, but as soon as I touch the gas, the needle shoots up and goes past 60, like it's maxed out. So whenever I'm driving around the gauge is pegged past 60 - do you think the sender is just bad? Any help is appreciated. Thanks!
When I broke in the cam on my 388 the oil psi pegged at 40, asked the builder about it, and he said to change the oil filter, which I had to do anyway, problem solved.
Problably due to a weak filter bypass valve spring, not good because unfiltered oil is getting into the engine.
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Old 07-13-2005, 10:49 AM   #3
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Join Date: Jun 2004
Posts: 119
Car: 1989 Trans Am
Engine: l98
Transmission: 700 R4
Axle/Gears: 10 bolt with 3.23s

Classifieds Rating: (0)
well I've changed the oil filter several times since I've had the car with no effect
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Old 07-13-2005, 10:49 AM
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