3.2L Swap - No Oil Pressure????

[s0ber]

I just finished the 3.2L Swap into my 92 MTX, I used teh 3.0L oil pump, I was having low oil pressure, so I swapped the pump out from another 3.0L and replaced the rod bearings, im STILL getting no oil pressure at idle?

Im thinking it could be the oil sending unit for the gauge I bought to monitor the oil press..

Swapping pumps and rod bearings is there any other reason why the gauge would read no pressure? I get about 8PSI at 3000rpm, im hoping the gauge is just reading it incorrectly.

 

[SHO#7]

I would get a mechanical gauge on there asap. No more starting it. Unplug the DIS and crank with a mechanical gauge on it. Wait for the pressure to build up. If you get pressure, then reconnect and see what you get with a gauge.

Mike

 

[s0ber]

Im going to remove the electrical gauge connection and hook up a mechanical like you said, I believe the gauge is reading incorrectly...

I had the idiot light before I bought a gauge, it would turn on at idle, but I raised the idle speed to 1000rpm and it would go away, so im assuming it had pressure over 5psi at idle, but with the digital oil press gauge, the gauge doesnt read passed 6psi even with a higher rpm, so im hoping the gauge is just reading wrong...

Will try and check back here

 

[I'll sho u]

Main bearings have ALOT to do with oil pressure, could be they need replacing too.

 

[s0ber]

When I dropped the pan to change the rod bearings I found a little bit of metal shavings, where could this come from??

This thing has been down for months and is driving me crazy already..

3.2L swap
3.0L oil pump
3.0L cams
New rod bearings