Will a 305 tpi support 350 fuel requirements

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12-29-2001, 06:16 PM

BONES LB9

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Will a 305 tpi support 350 fuel requirements

i'm planning on replacing my 86 305tpi with a 350. I'm going to get 24# injectors and afpr and i was wondering would the stock ecm provide enough fuel for 350?

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12-30-2001, 07:56 AM

88 350 tpi formula

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Car: 89 FORMULA 350, 91 Z28 Convertible

Engine: ls1, LB9

Transmission: t56, Auto

Axle/Gears: S60/ 3.73

yes it will. with 24# inj. you may run rich. 22# for stock and some lightly moddified 350 eng. are just fine. I have a modded 350 in mine I ran the 24# inj. for a couple years with no problem till I got a job real close then the car being in open loop for most of the drive made me notice real quick It was running rich. ( this is when I got in to chip burning) you only need bigger inj if you run real high rpms or high hp.

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12-30-2001, 07:59 AM

88 350 tpi formula

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Car: 89 FORMULA 350, 91 Z28 Convertible

Engine: ls1, LB9

Transmission: t56, Auto

Axle/Gears: S60/ 3.73

you will have to get a 350 tpi chip 87? I think will work on the 86. the 305 chip will work(run) how well I have no Idea the stock 350 chip will be programmed for of course a stock 350 and the 22# inj.

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