TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

adjusting fuel pressure

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Old Mar 7, 2001 | 04:38 PM
  #1  
88'camaro305TBI's Avatar
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From: Robbinsville NJ
Car: 88 IROC
Engine: 350
Transmission: auto
adjusting fuel pressure

Finally got my car running, after a tedious fuel pump swap. I got a 190ltr/hr fuel pump. My question is, is it safe to adjust the fuel pressure (i made my regulator adjustable) while the car is running? Also, because my fuel pump flows a lot more fuel now, should i decrease the fuel pressure from the stock setting, or does the flow of the fuel pump not matter on how much fuel the injectors are spraying?

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Pat Hirsz
www.iit.edu/~hirspat/MyPage2.htm
88 305TBI
Mods:Hooker Aerochamber 3" exhaust, gutted kitty, March pullies, no smog, 180 thermo,
14x4 K&N, 3.42 gears,
Eibach springs with KYB's all around,
Harwood cowl hood, Z-28 wing, fresh paint(black)
120,000 miles, 5spd, T-tops
Run a best of 16.7 @85mph before gears, slp headers on its way

92 RS, 305TBI, auto, 3.08 gears, 180 thermo, glasspack (no muffler)
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Old Mar 7, 2001 | 07:02 PM
  #2  
scauffiel's Avatar
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From: Virginia Beach, VA, USA
I adjust mine with the car running and haven't had any problemo's yet... I also run a 255l/hr Walbro. I just left my pressure about 12-13psi.

Steve

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Steve's Trans Am Temple
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