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well i plan to get my beretta done tomorrow but i have one problem. my 3 wire oil pressure sending unit for a 2.8 doesnt fit and i dont have an oil pressure reading with the stock 3400 sensor.... how do i make this work? i will not start it without a gauge, unlike my other 3400s
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88 Beretta CL- 13.641@102.76mph (rwd LS1/t56 conversion in progress)
77 Celica GT- 3400/3500 swap in progress (engine from the beretta) -
What doesn't fit? The threads? If so get a pipe thread bushing to make it fit.1993 EXT. CAB, 3.4L V6 TBI, 5spd manual. Sonoma
1990 4Door, 3.2L V6 TBI, 5spd manual. 4X4. Trooper
Because... I am, CANADIAN -
the make different sizes. I know I had to get a different one with my 3100 swap in my Cutlass Supreme. I think I ended up getting one from a GRAND AM for like 1995.Taylor
1988 Olds Cutlass Supreme 3100 MPFI
1990 Pontiac Grand Prix STE 3.1 MPFI
1994 Olds Cutlass Supreme convertible
1998 Lincoln Mark VIII
"find something simple and complicate it"
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so it will be accurate with an adapter? i guess i could go to a jy and search around..sigpic
88 Beretta CL- 13.641@102.76mph (rwd LS1/t56 conversion in progress)
77 Celica GT- 3400/3500 swap in progress (engine from the beretta)Comment
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Just go to the store and get a OPSU from a 1995 Z26. It will be long (variable) style. And will fit.sigpic
New 2010 project (click image)
1994 3100 BERETTA. 200,000+ miles
16.0 1/4 mile when stock. Now ???
Original L82 Longblock with LA1, LX9, LX5 parts
Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.
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ok, u sure my OBD1 computer will read an OBD1.5 computer? im prettymuch flat broke so i wanna be 100% sure lolsigpic
88 Beretta CL- 13.641@102.76mph (rwd LS1/t56 conversion in progress)
77 Celica GT- 3400/3500 swap in progress (engine from the beretta)Comment
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OBD1.5 IS OBD1. It's just on a flash based ECM.
Besides, the computer doesn't read the OPSU.. It goes straight to the gauge cluster.
EDIT, I take that back, I think the ECM does read it, for the low oil pressure light. But yeah it will work.Last edited by IsaacHayes; 06-21-2008, 04:50 PM.sigpic New 2010 project (click image)
1994 3100 BERETTA. 200,000+ miles
16.0 1/4 mile when stock. Now ???
Original L82 Longblock with LA1, LX9, LX5 parts
Manifold-back 2.5" SS Mandrel Exhaust. Hardware is SS too.
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ok sweet. thanks
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88 Beretta CL- 13.641@102.76mph (rwd LS1/t56 conversion in progress)
77 Celica GT- 3400/3500 swap in progress (engine from the beretta)Comment
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hmm well now i feel like an idiot lol. turns out i have a 1 wire OPSU according to my harness (unless there was a hidden plug with the same connection i didnt see this time lol), i swear it was 3!!! so now i have the 95 beretta 3 wire OPSU.... will i get a reading? im gonna guess no... but when i got it they just asked me if i had a gauge or a light and thats the one i got...sigpic
88 Beretta CL- 13.641@102.76mph (rwd LS1/t56 conversion in progress)
77 Celica GT- 3400/3500 swap in progress (engine from the beretta)Comment
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a OPSU for a 1991 Cavalier Z24 works great. As long as you have the gauge you'll want the 3 wire..
2.8's had a smaller thread, that's the only difference.Comment
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hmmm mine has a gauge (came with full cluster, didnt swap), but its one wire on the harness... i think tomorrow im gonna finish hooking up all the wires and maybe i will find a 3wire connector for the sensor... im so confused!! lolsigpic
88 Beretta CL- 13.641@102.76mph (rwd LS1/t56 conversion in progress)
77 Celica GT- 3400/3500 swap in progress (engine from the beretta)Comment
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ok its confirmed, the 3 wire connection i was looking at goes to the TB... i have a 1 wire OPSU for sure.... and only 4 bux in my bank account lolsigpic
88 Beretta CL- 13.641@102.76mph (rwd LS1/t56 conversion in progress)
77 Celica GT- 3400/3500 swap in progress (engine from the beretta)Comment
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