LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

limits of the stock fuel lines

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Old Aug 11, 2005 | 01:44 AM
  #1  
Miles-'s Avatar
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limits of the stock fuel lines

just as the title says what is the limit for the stock lines? the car is 383, with a t-trim and will be around 540 to the wheels. I am looking at the racetronix kit, with 50lbs injectors? any input is appreciated

thanks
Old Aug 11, 2005 | 09:07 AM
  #2  
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Re: limits of the stock fuel lines

Although I run braided S/S fuel lines, they are essentially the same size as the stock supply line (-6AN vs. 3/8") and only slightly larger on the return line (-6AN vs. 5/16"). I'm making 800 flywheel HP on a 300-shot of dry nitrous, with an 0.53#/HR/HP BSFC. Fuel system is dual Bosch 205 LPH pumps, running in parallel, and 78#/HR injectors at 58psi. The stock-sized fuel lines seem more than adequate at that level. I do have the fuel rails "split" to run in parallel, rather than in series.
Old Aug 11, 2005 | 10:10 AM
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Re: limits of the stock fuel lines

I'm running totally stock plastic lines and routing with about 850 fwhp and no problems.
Old Aug 12, 2005 | 01:19 AM
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Re: limits of the stock fuel lines

Thanks for the replies, that is good to know
Old Aug 12, 2005 | 07:25 PM
  #5  
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Re: limits of the stock fuel lines

Originally Posted by Miles-
just as the title says what is the limit for the stock lines? the car is 383, with a t-trim and will be around 540 to the wheels. I am looking at the racetronix kit, with 50lbs injectors? any input is appreciated

thanks
Consider the Siemens L107.
The Delphi 17113738 does not tune easily with a LT1 ECM/PCM.
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