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help! aft market oil pressure gauge?

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Old 09-29-2008, 08:34 PM
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help! aft market oil pressure gauge?

i have just bought a oil pressure gauge and im trying to figure out how to put it in? somebody please help tell me how to put the sensor in?
Old 09-29-2008, 08:39 PM
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Re: help! aft market oil pressure gauge?

Find an available oil galley port and screw it in.
Old 09-29-2008, 08:41 PM
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Re: help! aft market oil pressure gauge?

The sensor is in the back of the motor by the firewall. It just unscrews from an angled tube that comes up from the intake. It sound have a wire going to it. Its long and round. Its not difficult to replace.
Old 09-30-2008, 12:21 AM
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Re: help! aft market oil pressure gauge?

now that part i just take out and put in mine? and thats on my motor? 91lo3?
Old 09-30-2008, 02:18 PM
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Re: help! aft market oil pressure gauge?

No, not on your 91 engine.

There are 2 places you can install it. Either at the top of the block behind the intake near the distributor where you should have a pipe plug right now, or on the side of the block above the oil filter where the factory switch/sender is.
Old 10-01-2008, 07:11 PM
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Re: help! aft market oil pressure gauge?

i looked behind the dis. couldnt find the plug? am i just not looking hard enough? i would hate to screw with the computer so i dont want to remove stock sensor.
Old 10-02-2008, 02:12 PM
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Re: help! aft market oil pressure gauge?

The computer doesn't know or care about oil pressure, so you can't mess it up. The stock OPSU/switch only operates the stock gauge, and acts as a backup to the fuel pump relay.

It's not really behind the distributor, it's more beside it, on the block itself behind the intake manifold, between the two heads.
Old 10-02-2008, 04:54 PM
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Re: help! aft market oil pressure gauge?

ok so the one on top the oil filter will work? along with the one on top the motor? and a backup? how? sorry to ask so much just trying to learn
Old 10-02-2008, 05:05 PM
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Re: help! aft market oil pressure gauge?

Either one of those will work.
Old 11-21-2018, 02:06 PM
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Re: help! aft market oil pressure gauge?

Mispost, please disregard. Sorry!
Old 11-21-2018, 02:33 PM
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Re: help! aft market oil pressure gauge?

I used the port in the back of engine (next to distributor) for the Oil pressure, and the one on top of the oil filter for my oil temp.
Old 11-21-2018, 07:12 PM
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Re: help! aft market oil pressure gauge?

There also is another 1/8" pipe plug behind the water pump just to the right side of center about the timing cover that's good for a pressure gauge or a temp sensor.
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