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

TBI FUEL PRESSURE

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Old Nov 18, 2018 | 09:26 PM
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JimRockford's Avatar
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TBI FUEL PRESSURE

I was wondering,what is the fuel pressure supposed to be on the 1990 Camaro 305 tbi v8?
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Old Nov 18, 2018 | 10:09 PM
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From: NV
Car: 1991 S10 v8 AWD
Engine: 5.7 TBI
Transmission: 700r4 with vette servo upgrade
Axle/Gears: 3.73
Re: TBI FUEL PRESSURE

11-13 I believe TBI's run at.
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Old Nov 19, 2018 | 03:00 PM
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Re: TBI FUEL PRESSURE

9--13.

Why start another thread when you've already got one going on this vehicle?
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Old Nov 20, 2018 | 10:33 PM
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From: MICHIGAN
Car: 1988 Trans Am
Engine: L03
Transmission: 700R4
Axle/Gears: 10 Bolt 2.73 Open
Re: TBI FUEL PRESSURE

From most of what I've read, it's happiest at the higher end of that range. Funny things start happening when the pressure gets marginal.
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