LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Replacement fuel lines

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Old Oct 18, 2009 | 08:57 PM
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Default Replacement fuel lines

I just finished my LT1 install and got if fired up only to find my fuel supply line with a hole and the return line with a bad kink in it. What's the best way to replace these other than junk yard parts? Any thoughts?

The car is a 1994 Formula LT1 M6

Thanks...
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Old Oct 18, 2009 | 09:01 PM
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you could do it like a brake line if its the metal one.. cut and piece another one in
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Old Oct 18, 2009 | 09:32 PM
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Originally Posted by Jazz-LT1
I just finished my LT1 install and got if fired up only to find my fuel supply line with a hole and the return line with a bad kink in it. What's the best way to replace these other than junk yard parts? Any thoughts?

The car is a 1994 Formula LT1 M6

Thanks...
Where?
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Old Oct 18, 2009 | 09:36 PM
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Both issues are in the fuel lines near the throttle body. the kink (return) and leak (supply) are between the #1 and #3 injectors.
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Old Oct 19, 2009 | 12:32 AM
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You can pick up the lines at Napa. They are universal and you will have to cut and assemble them. Or you can do what some have done and reroute them so they do not loop around. People usually use braided stainless.
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Old Oct 19, 2009 | 07:03 AM
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Originally Posted by Jazz-LT1
Both issues are in the fuel lines near the throttle body. the kink (return) and leak (supply) are between the #1 and #3 injectors.
A set of the 3 GM front lines is fairly inexpensive.

GM PART # 10258441 for 94-97s
GM LIST: $28.33
Wholesale PRICE: $16.80
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Old Oct 19, 2009 | 07:45 AM
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SHBOX: Is that for all 3 lines? I think I'll do that.

By the way, thanks SO much for your website. I have used it more than I can tell you and I think I speak for a LOT of people when I say thanks bro! Greatly appreciated.
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Old Oct 19, 2009 | 10:06 AM
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Originally Posted by Jazz-LT1
SHBOX: Is that for all 3 lines? I think I'll do that.

By the way, thanks SO much for your website. I have used it more than I can tell you and I think I speak for a LOT of people when I say thanks bro! Greatly appreciated.
Yes, they come as a set of the 3 lines.
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Old Oct 20, 2009 | 03:23 PM
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The guys at the dealership said, I can't believe you got that for $28.00, I'd have guessed it would have been more like $300!

Thanks for the tip Shbox. The dealership had trouble pulling up the part number.
Attached Thumbnails Replacement fuel lines-fuel-lines.jpg  
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Old Oct 20, 2009 | 03:25 PM
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Originally Posted by Jazz-LT1
The guys at the dealership said, I can't believe you got that for $28.00, I'd have guessed it would have been more like $300!

Thanks for the tip Shbox. The dealership had trouble pulling up the part number.
Agreed.
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Old Oct 20, 2009 | 04:53 PM
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damn that's a ****** steal, I would've thought easily over $100 considering the coolant crossover pipe ran me like $80-90
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Old Oct 20, 2009 | 05:25 PM
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Sweet deal for that.
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Old Oct 29, 2009 | 11:07 PM
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called GM today at local dealer and was told that those have been discontinued....WTF!!!
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Old Oct 29, 2009 | 11:27 PM
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Anyone have a link with pics of how to re-route the fuel lines, I've had issues with vapor lock during the summer. I'll be installing my new 383 in a few weeks and I want to do this mod while the engine's out.
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Old Oct 30, 2009 | 12:05 AM
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Call another gm dealership, I live in canada half the dealerships said it was discontinued the other half wanted $200-$250 for it. So I called the closest dealership in washington and ordered it on monday and pick it up yesterday for $33. Thinking about buying another for just incase since its so cheap.
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Old Oct 30, 2009 | 09:45 AM
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I can't believe how much LS1tech and in this case Shbox has saved me while doing my build. Thanks again!
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