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2002 ws6

This is a discussion on 2002 ws6 within the Firebird / WS6 forums, part of the Vehicle Specific category; I just purchased a 2002 ws6. 36000 miles in mint condition. It's a major upgrade from my 97 lt1 which ...

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    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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    '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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    Member sjgreen6's Avatar
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    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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    2002 Trans Am WS6 M6

    Like jeff asked is it staying there or is this under acceleration? What's it like during idle?
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    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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    '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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