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modify LQ4 fuel rails? for AN fittings?

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Old 01-31-2011 | 12:18 PM
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Default modify LQ4 fuel rails? for AN fittings?

Hey guys

just wanting to know if youve ever modified these stock plastic truck rails to accept AN fittings?

im going twin turbo on my 67 camaro and have an lq4 motor and lq4 intake...

thanks
Old 01-31-2011 | 06:53 PM
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anyone?

thanks
Old 02-01-2011 | 07:51 PM
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There are fittings that you can buy thru summit or whatever that will adapt to the stock quick connect fitting on the rails and have a an that you hook your feed line to. Are you wanting to have the billet style setup... With inlet on one a crossover up front then exit out the other. You can get cheap billet rails for like $100 if you want.
Old 02-01-2011 | 08:02 PM
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You running a 4'' cowl hood?

Thats a tall intake.
Old 02-01-2011 | 08:10 PM
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actualloy, what im waiting to do is tap into the stock truck rails, either in the plastic or the metal cap ends and add a -8AN fitting.

Has anyone tried that before?

thanks
Old 02-01-2011 | 08:18 PM
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Originally Posted by jks67ss396
actualloy, what im waiting to do is tap into the stock truck rails, either in the plastic or the metal cap ends and add a -8AN fitting.

Has anyone tried that before?

thanks
I dont think I would mess with that. Could it be done, most likely but how safe. Its not worth it, get some aftermarket rails and be done with it. In my opinion there are certain things that you dont want to go cheap on (not that rails are that much)and fuel is one of them. A fuel leak can get ugly.
Old 02-02-2011 | 08:02 AM
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Originally Posted by jks67ss396
actualloy, what im waiting to do is tap into the stock truck rails, either in the plastic or the metal cap ends and add a -8AN fitting.

Has anyone tried that before?

thanks
You might be able to weld a fitting to the end... but like everyone says, why chance it. Also I don't know if the dampers inside(the springs and flappers inside the rails) are made for flow in a different direction than stock. I have a set of factory fuel rails I would sell you, if you want to try something on them first.
Old 02-02-2011 | 12:42 PM
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You could cut the quick disconnect off, and use just use a hardline fitting to get to AN.

Aeromotive may can help you, I think that is the opposite of what your wanting tho

https://ls1tech.com/forums/fueling-i...fuel-line.html
Old 02-02-2011 | 11:34 PM
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Originally Posted by charcold-bowtie
You could cut the quick disconnect off, and use just use a hardline fitting to get to AN.

Aeromotive may can help you, I think that is the opposite of what your wanting tho

https://ls1tech.com/forums/fueling-i...fuel-line.html
Like Charcold-bowtie said, you can do it on the cheap by using a 3/8" tubing to male -6AN adapter on the inlet. On a returnless fuel rail, you can remove the schrader valve and pick up a -4AN female to -6AN female adapter and a -6AN male to -6AN male coupler to add a return line.

Rick

Last edited by Rick_Vor; 02-03-2011 at 10:53 PM.
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