Fuel rail ?
07-25-2009, 04:06 PM
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Fuel rail ? Ok Im swapping a lq4 out of a 00' silverado, I got a PP typhoon intake with no fuel rail's. Question is. What fuel rail's do I need? One with a return line or without so on so forth?
07-28-2009, 11:26 AM
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What is it going in? What is your fuel pump supply. Has nothing to do with the intake swap it has to do with how you are feeding it. Give me a call I will get you straight on what you need.
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07-29-2009, 11:47 AM
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Several ways to do it...billet rails and plumb in a regulator in the return line, 97-98 Vette fuel rails with reg and return line built in or Vette filter/reg. to billet rails or factory LS rails. I have kits available for the swap.
07-29-2009, 03:47 PM
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Im wanting to go back with the Pro products fuel rail's or something like. So a billet style. From my limited understanding if I have a return line I shouldnt need a regulator is that right?
08-16-2009, 08:16 PM
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Ok well it's time for me to buy a set, need a definitive answer asap. Here's pic's of my fuel setup- Need it to plug right into this and drive away. Wanting billet rail's
08-17-2009, 01:11 PM
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From what I can see the system you have is return style, so the easiest way is to put return style rails on the LQ4 - and yes, you need a regulator on the return line right after the rails.
The LQ4 system runs on 58psi so even if there is a regulator already on your '96 it would be st 43 psi. This will put extra strain on your fuel pump - just keep that in mind if you are going to upgrade the engine......
The LQ4 system runs on 58psi so even if there is a regulator already on your '96 it would be st 43 psi. This will put extra strain on your fuel pump - just keep that in mind if you are going to upgrade the engine......
08-18-2009, 02:30 PM
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If you have already have an adjustable regulator you can just bump i up to 58psi.....if not you need another one.
The idea is to pressurize the rails at 58 psi under all conditions.
The regulator keeps the rail at high pressure and lets the excess fuel go back thru the return line, that is why you put it on the return line.
If you do not use a return line, you "could" use a deadhead regulator at the rail inlet, but it would kill your fuel pump quite fast.
The Corvette fuel filter/regulator setup will also do the job. This is preset at 58 psi and have a return outlet so you can connect it to your return line.
The idea is to pressurize the rails at 58 psi under all conditions.
The regulator keeps the rail at high pressure and lets the excess fuel go back thru the return line, that is why you put it on the return line.
If you do not use a return line, you "could" use a deadhead regulator at the rail inlet, but it would kill your fuel pump quite fast.
The Corvette fuel filter/regulator setup will also do the job. This is preset at 58 psi and have a return outlet so you can connect it to your return line.
