LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

Fuel rail question

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Old Oct 11, 2011 | 04:41 PM
  #1  
IrocZ'85's Avatar
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From: Lafayette, IN
Car: '85 IrocZ
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.73
Fuel rail question

Hey guys,

So I'm a pretty big newb to the LS world and have been getting all my stuff ready for the swap. I was trying to mock up my wiring this weekend and wanted to put my fuel rail on the engine, since it was off the way i got it. I took a few pics, but basically the fuel rail seems very far off from the injectors.

Is there a proper way to install the factory fuel rail or something I am missing? From the pics you can see how one bank of injectors matches up with the rail, but the opposite side is a good inch off...and unless there is something I'm doing wrong how is this going to fit properly? Just wanna make sure i didn't get some sort of wrong rail with my entire engine from the guy I bought it from lol. Also the rail holes for mounting don't line up with the intake's, unless i have to seat the entire rail down further onto the intake?

Thanks! Pics:

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EDIT: It actually looks bent at one spot to me so i might get another factory one.

Last edited by IrocZ'85; Oct 11, 2011 at 06:31 PM.
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Old Oct 11, 2011 | 08:44 PM
  #2  
Pocket's Avatar
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Re: Fuel rail question

The crossover is bent, but dont worry about it. Flex it and bolt it down

As long as there are no leaks, it will work fine

Also, you need to install the injectors into the rail prior to installing the assembly to the intake. There are small retainer clips to help and add a measure of security
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Old Oct 12, 2011 | 07:21 AM
  #3  
IrocZ'85's Avatar
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From: Lafayette, IN
Car: '85 IrocZ
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.73
Re: Fuel rail question

Originally Posted by Pocket
The crossover is bent, but dont worry about it. Flex it and bolt it down

As long as there are no leaks, it will work fine

Also, you need to install the injectors into the rail prior to installing the assembly to the intake. There are small retainer clips to help and add a measure of security
ah ok, yea I originally had the injectors on the rail first and tried to install it, but this worked better for pictures. I'll flex the crossover and see how it works
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Old Oct 12, 2011 | 08:05 AM
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From: Apopka, Florida
Car: 1989 Pontiac Trans Am GTA
Engine: cammed LS1
Transmission: Monster SS 4L65E
Axle/Gears: 9 bolt posi w/ 3.70 gears
Re: Fuel rail question

Removing the chain would help too Be careful, it looks like that #1 injector needs an o-ring
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Old Oct 12, 2011 | 11:27 AM
  #5  
IrocZ'85's Avatar
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From: Lafayette, IN
Car: '85 IrocZ
Engine: LS1
Transmission: 4L60E
Axle/Gears: 3.73
Re: Fuel rail question

Originally Posted by dprest68
Removing the chain would help too Be careful, it looks like that #1 injector needs an o-ring
lol yes the chain will come off, i just figured id illustrate the fact that its REALLY FAR OFF from where it should be right also, ive got the injector o-rings and a kit for all the missing parts on them. thanks for the heads up
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Old Oct 12, 2011 | 12:00 PM
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From: Apopka, Florida
Car: 1989 Pontiac Trans Am GTA
Engine: cammed LS1
Transmission: Monster SS 4L65E
Axle/Gears: 9 bolt posi w/ 3.70 gears
Re: Fuel rail question

Glad I could help!
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