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Oil pressure gauge question

apache

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Central coast of Kali
I think this is the only mid eighties GM product Ive ever owned that had all but one gauge working which was the oil pressure gauge. Today I threw in a cheezy mechanical gauge just to see what the O/P is and after turning on the key the stock dash gauge now shoots to max and then some. Does this mean only the sending unit was spent and bot the gauge like I thought? I kinda like the stock stuff and would ratehr run it than the mech with the cheap plastic tubing.
 
I think this is the only mid eighties GM product Ive ever owned that had all but one gauge working which was the oil pressure gauge. Today I threw in a cheezy mechanical gauge just to see what the O/P is and after turning on the key the stock dash gauge now shoots to max and then some. Does this mean only the sending unit was spent and bot the gauge like I thought? I kinda like the stock stuff and would ratehr run it than the mech with the cheap plastic tubing.

ya it sounds like u need a new sending unit. theyre pretty cheap.
 
Should be able to unplug the sender, check gauge, then ground the sender wire, check gauge again. Should swing between no pressure and full pressure, and probably beyond that. But with the wire not touching ground, and then touched to ground (with key on of course) you should get full sweep of the gauge. Which means the gauge is more than likely good, as is the wiring to it.
 
You can buy steel braided oil pressure hose for your aftermarket gauge.

I don't care for that plastic crap either (had one split open and dump HOT oil on a brand new pair of shoes). :mad:
 
I think one of our old Chevys used aluminum tubing which is still avaliable as well as copper but S/S braided lines Ive never seen that small, have to check into that one.
 
I've seen the braided stainless before. I expensive though, like $25 for three feet. If your in a high vibration setting (race car with soild mounts/motor plates) then that would be the way to go. Otherwise I think a good copper line would work fine.
 
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