i have an 84 z28 with a 305(the engine is out of an 84 jimmy). It was computer controled but its no longer. My pressure gauge never moves its always straight up even when the car is off. is it b/c of it not being computer controled anymore or is it because of something else? any help would be greatful

 

gauge isn't controled by the ecm. easiest to use aftermarket gauge and way more accurate too

 

Yeah get an aftermarket mechanical gauge its cheap, easy to install, and much more reliable then the crappy factory ones.

 

well i kinda want to keep the dash looking stock want i don't really want to go out and buy a new one b/c i am tryin to sell it. does anyone have any idea why it is like that also if by chance i would get an oil gauge what all would i have to do to hook it up

 

If its standing straight up, then the wire going to the oil pressure sender, which should be under your distributor, is grounded out on something. Replace the sending unit (again, under the distributor, drivers side) plug in the wire, make sure the wire is touching nothing else, then see what happens.

 

ok i got a new sender unit and it is still doing the same thing. the wire isn't touching anything else that i could see. i followed it into the firewall and nothin was touching it. any other ideas

 

sounds like you have a bad gauge in your cluster. My friends oil pressure gauge in his 86 Z sticks sometimes and bounces around.

 

Im putting my car back together right now and have noticed the same thing and was about to post a topic on it.

New sender, same wiring.. Cant figure it out. I just want to keep the stock dash also.

 

Found my issue. I bent a pin on the new sending unit...