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What size are the TBI fuel lines?

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

What size are the TBI fuel lines?

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Old

May 23, 2007 | 10:33 PM

#1

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Joined: Jun 2006

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What size are the TBI fuel lines?

i would like to know what size the return and main fuel line is that is going to the TBI unit, any help would be great! thanks guys!

Old

May 24, 2007 | 11:17 AM

#2

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Joined: Jan 2007

Posts: 382

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From: Illinois

Car: 89 Firebird

Engine: 350 Ramjet

Transmission: 700R4

Axle/Gears: GM 9 bolt 3:27

Re: What size are the TBI fuel lines?

3/8 and 5/16.

I believe I have a set if you need them took them off my 305 after 350 swap.

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350, 38, camaro, chevy, fuel, line, lines, needed, return, size, tbi, thirdgen, unit

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