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Thread: 2002 ws6
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05-01-2016, 11:31 AM #1Junior Member
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Silver- 2002 trans am
2002 ws6
I just purchased a 2002 ws6. 36000 miles in mint condition. It's a major upgrade from my 97 lt1 which I am very familiar with.
The ls1 oil pressure seems to be very high. Close to 90 according to the gauge. Is this normal for these cars or do I have a problem.
I appreciate the feed back and also any other info on this motor
Thanks
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05-01-2016, 01:29 PM #2Veteran
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Black & Blue- '02 WS.6 / '07 Suburban
Could be the sender or gauge is a bit wonky. But yes, that is on the high side. Only way to check it is to plumb another gauge to the port, but that is kind of difficult with where it is located. Does it peg at 90 psi and just stay there?
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05-01-2016, 02:08 PM #3Member
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Navy Blue- 2002 Trans Am WS6 Conv
Have you changed the oil since you bought it? You might want to start with an oil change to ensure you have the right weight oil in the engine. If someone put a higher than recommended viscosity in the engine, say 20W50 instead of 5W30, it would definitely show an increase in oil pressure.
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05-01-2016, 03:30 PM #4Senior Member
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Pewter- 2002 Trans Am WS6 M6
Like jeff asked is it staying there or is this under acceleration? What's it like during idle?
Mods - Lid, Skip Shift Eliminator, MGW shifter, UMI SFCs, Founders Lower Control Arms, Founders Panhard Bar, Founders Adj. Torque Arm, UMI Torque arm mount, MWC Drive shaft safety loop, KONI Yellows, Strano Springs, Strano Sway bars, UMI Upper and lower A Arms, 160 thermostat, TSP headers and TSP true duals Monster stage 2 clutch, racetronix fuel pump, Strange S60 rear axle and tune by Frost.
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05-01-2016, 03:43 PM #5Junior Member
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Silver- 2002 trans am
It doesn't peg at 90. Stays above 40 and gets close to 90 changed the oil with mobile one 5w20. Gets close to 90 on acceleration. Just seems much higher than I'm used to at idle. 50-60
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05-03-2016, 02:15 AM #6Veteran
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Black & Blue- '02 WS.6 / '07 Suburban
The factory gauges in our cars are not exactly known for their accuracy. You could try swapping out the sender and see if that makes a difference.
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