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

350 Tpi Fuel pump in a 305 TBI build up.

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Old Dec 11, 2008 | 04:55 PM
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Z28XTC's Avatar
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350 Tpi Fuel pump in a 305 TBI build up.

Will a fuel pump from a 1989 350 Iroc be fine for a modded 1992 LO3 305? As original 305 one is meant to insufficent for moded LO3 305's.
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Old Dec 11, 2008 | 05:07 PM
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From: West-Central
Car: 91 Trans am
Engine: built 360 TBI
Transmission: built 700r4
Axle/Gears: 10bolt/3.23
Re: 350 Tpi Fuel pump in a 305 TBI build up.

TPI fuel pump should pump over 43psi.

55lb with 43psi FP should support 378hp.
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Old Dec 11, 2008 | 05:12 PM
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Re: 350 Tpi Fuel pump in a 305 TBI build up.

Sweet! Thanks Tom.
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Old Dec 12, 2008 | 08:26 AM
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ownor's Avatar
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From: Austria
Car: 84 TA / 89 Formula
Engine: LS1 / L03
Transmission: T56 / 700R4
Axle/Gears: 3.73 / 3.27
Re: 350 Tpi Fuel pump in a 305 TBI build up.

hey thomas,
there was another thread about fuel pumps recently, talking about the TPI pump i think you are using. could you maybe leave some comment about it here? https://www.thirdgen.org/forums/tbi/...fuel-pump.html
thanks!
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