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Old 12-11-2015, 02:57 PM
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Default 502 mag high pressure line

I have a need to extend the pressure lines from the cool fuel to the fuel rail .(cool fuel has to move)Does anyone make any type of 0-ring adapter fitting to go in to fuel rail as the stock fitting does. Has anyone tried cutting existing crimp off of the fitting and re-crimping new hose back on ..When someone is setting up a system with different pump and return style regulator, what is used for the high pressure hose...This is a 502 mag mpi #153???
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Old 12-11-2015, 03:08 PM
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This is the time to convert it, I wouldn't mess with the stock OE stuff. I used AN fittings and push lock hose on mine, high volume EFI pump, external bypass regulator at the end of the fuel rail and dump the excess back to the tank or filter head.
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Old 12-11-2015, 05:14 PM
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but how did you get the fuel into the rail without using the oem o-ring fitting? Was hoping someone knew of a merc o-ring to AN or pipe fitting.
Originally Posted by 33outlawsst
This is the time to convert it, I wouldn't mess with the stock OE stuff. I used AN fittings and push lock hose on mine, high volume EFI pump, external bypass regulator at the end of the fuel rail and dump the excess back to the tank or filter head.

Last edited by motor; 12-11-2015 at 05:34 PM.
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Old 12-11-2015, 05:32 PM
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I cant remember what the 502 mpi rail feed looked like, mine are 500 EFI intakes, can you post a pic ?? the may make an o-ring to inverted flare fitting
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Old 12-12-2015, 09:05 PM
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Use the OEM hoses with adapters to AN. Jegs sells them for like $4.
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Old 12-12-2015, 10:14 PM
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most likely this
http://www.summitracing.com/parts/rus-640940

and this

http://www.summitracing.com/parts/RUS-640930/
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Old 12-12-2015, 10:31 PM
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exactly ditch the cool fuel and run the return line to the tank. push locks are the easiest way to go.
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Old 12-12-2015, 10:32 PM
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and ditch the vts tank too while u r at it
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Old 12-13-2015, 05:53 AM
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Thank you very much .I think that is what I was looking for.
Originally Posted by sutphen 30
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Old 12-14-2015, 03:43 PM
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Originally Posted by sutphen 30
If you can make those work I'd like to see it please!
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