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» Northern California Ford Owners     » Automotive   » Tech Talk   » Need supercharger help

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Author Topic: Need supercharger help
Stroked and Blown
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Member # 998

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I just put in my new 48# accel injectors with my re-calibrated pro-m bullet. The car runs like shit! All vacuum lines were put back, the guage goes to 10-12 psi of vacuum during idle. If I step on the gas at all, the car stumbles, loads up, burbles. Tried adjusting fuel pressure didn't help. Does anyone tune their own blown combo? Apex just dialed it in two weeks ago and Byron tunes it next saturday. I want to drive it to the cruise! HELP! FUUUU @##@!#^ KKKK

[ March 28, 2002: Message edited by: Stroked and Blown ]
Posts: 45 | From: San Jose | Registered: Mar 2002  |  :
WIKD 281
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Hmmmmm> sounds like it is double calibrated> what year is your car? Try pulling the chip out and let it run off of the MAF. I have had this problem before> and it was the MAF that was not calibrated to the injectors properly. Hope this will help you out!

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Faster than most, slower than less.
Posts: 1941 | Registered: Jun 2000  |  :
Stroked and Blown
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Bill at Apex said the same thing about pulling the chip,BUT I don't have one yet. He thinks that the stock computer can't handle the 48# injectors. The MAF was just recalibrated last week for a blow-thru application(procharger)for 48# injectors. I wonder if the little screen has to go back in? It ran fine without the screen with the 38# injectors. I'm going to throw the old combo (38# inj. and the old 38#MAF) on just to make the cruise. Apex said to stay out of the BOOST! Why can't Byron be "on call" like a doctor? My car is sick.....
Posts: 45 | From: San Jose | Registered: Mar 2002  |  :
Stimson
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If the MAF was calibrated with the screen then leave the screen in. This next part could/should help you out a lot.... "clock" the MAF. Undo the clamps holding it in place. Rotate the MAF. See what position lets the car run/idle best. Some have found that having the MAF even completely "upside down" works best.


-Sawson

[ March 29, 2002: Message edited by: st5150 ]
Posts: 2373 | Registered: Jun 2000  |  :
Stroked and Blown
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YEAAAH BOY! I rotated the MAF 180 degrees and that helped a bunch. At lest it's driveable now. I had the sensor rotated upside down to begin with because it was hitting my hood, but now it's cool.It probably didn't help that one of the spark plug boots had corroded to the wire(six months old too!). I'll have to drive slow at the cruise until Byron tunes this shit. [dance]
Posts: 45 | From: San Jose | Registered: Mar 2002  |  :


 
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