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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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Posted: Sat Mar 20, 2010 5:05 pm Post subject: |
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Back in my days of dinking with the fuel on the IROC (before I started burning chips ) I discovered that a replacement gasket and diaphragm from Schmucks costs about the same as an aftermarket AFPR.
Also, I have never seen a good product from BBK, so things that can puke fuel onto the exhaust and burn your car down should probably not be bought from them.  |
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iansane Member

Joined: 16 Jan 2004 Posts: 5742 Location: Bothell
1991 Pontiac Trans Am
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Posted: Sat Mar 20, 2010 5:08 pm Post subject: |
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I must have a horrible memory. I remember paying in the ~$20 range. _________________
| Quote: | | Sometimes I actually think I'm slightly retarded in the mouth. |
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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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iansane Member

Joined: 16 Jan 2004 Posts: 5742 Location: Bothell
1991 Pontiac Trans Am
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Posted: Sat Mar 20, 2010 5:24 pm Post subject: |
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FUUUUUUUUUU....
Yikes... |
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Dv8 Member
Joined: 05 Mar 2010 Posts: 108 Location: Ruston WA
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Posted: Sat Mar 20, 2010 5:37 pm Post subject: ECM |
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Earlier you gave us the ECM number as 01227730 wich is correct for the speed density TPi setup you seem to be running. However... if you could remove the panel on the computer (2- 1/4" screws) and let us know the 4 digits on the blue prom... should be something like AUJP. Sounds like you in limp mode. my guess is you have a 6 cyl PROM.
Also could be the knock sensor. it might be pulling back way too much timing. _________________ 88 Camaro IrocZ Convertible 5.0 TPI...
89 Camaro IrocZ 5.7(kids)
91 Camaro RS ( kids)-cloning to Z28
54 chevy 5 window Truck ( in creation ) |
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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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Posted: Sat Mar 20, 2010 5:49 pm Post subject: |
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| @ Dv8 His PROM has no four-digit Chevy number. He's running a Painless wiring chip in the ECM, which should work fine for his setup. |
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Licnac New Member
Joined: 19 Mar 2010 Posts: 16
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Posted: Sat Mar 20, 2010 6:06 pm Post subject: |
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| the fpr is not blowing gas out any place i can see but the pressure is under 20 on my fuel rail gauge and hits zero any time i open the trottle. that is when the motor lands on it face and backfires. is there any thing else i'm missing. the pump filters and lines are all clear and a make good pressure when i block the return line. |
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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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Posted: Sat Mar 20, 2010 8:43 pm Post subject: |
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Try pulling the regulator apart to check the diaphragm would be my only idea.
You mentioned the gas in the tank had gelled. Did you flush the tank and blow the lines after that? |
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Licnac New Member
Joined: 19 Mar 2010 Posts: 16
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Posted: Sat Mar 20, 2010 10:14 pm Post subject: |
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| yeah i took the tank out and cleaned it replaced all the soft lines and ran cleaner and air though the hard lines. i filled it back up with new gas and added locus injector cleaner, heat and a anti gell aditive. its been a very spendy saturday |
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Dv8 Member
Joined: 05 Mar 2010 Posts: 108 Location: Ruston WA
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Posted: Thu Mar 25, 2010 6:15 pm Post subject: update |
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Any updates?? have you found your gremlin?? _________________ 88 Camaro IrocZ Convertible 5.0 TPI...
89 Camaro IrocZ 5.7(kids)
91 Camaro RS ( kids)-cloning to Z28
54 chevy 5 window Truck ( in creation ) |
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Licnac New Member
Joined: 19 Mar 2010 Posts: 16
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Posted: Thu Mar 25, 2010 7:34 pm Post subject: |
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| still waiting on fuel pressure reg. should be in saturday. |
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