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Old 02-16-2010, 05:39 PM
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Default fast 102

I want a new fast 102 for my ls1. what fuel rails and style of injectors will i need? the heads are prc 227 like to get 42#inj

Last edited by regblkss; 02-18-2010 at 06:23 PM.
Old 02-17-2010, 05:40 PM
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bump!!
Old 02-17-2010, 06:44 PM
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What mods are you running that will require that big of an intake?

I've read that LS2 fuel rails will work.
Old 02-18-2010, 12:53 AM
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he said ls1
Old 02-18-2010, 03:41 AM
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ok, so does this mean that an ls1 would need to buy a ls2 fuel rail conversion kit for the 102 fast intake to work?
Old 02-18-2010, 12:37 PM
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bump, still need an answer.
Old 02-18-2010, 04:59 PM
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Default LS2 Fuel Rail

https://ls1tech.com/forums/generatio...weekend-4.html

see post # 74
I have the intake setting at home i will try to get a copy of the flow sheet and posted it on here.

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Old 02-18-2010, 05:04 PM
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Correct, they use the LS2 fuel rail with a spacer kit if you want to use LS1 injectors. FAST has a kit coming soon with the rail and spacers, but they are not shipping yet, according to our rep.
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Old 02-18-2010, 06:22 PM
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so if i use ls2 style injectors then i dont need the spacers?
Old 02-18-2010, 06:25 PM
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Originally Posted by bayer-z28
What mods are you running that will require that big of an intake?

I've read that LS2 fuel rails will work.
im changing the whole set up. 227 prc heads and tsunami cam
Old 02-21-2010, 06:11 PM
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bump!!
Old 02-21-2010, 09:52 PM
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you'll need.

1. LS2/LS3 OEM Fuel Rail GM part # 12633511
2. LS2 style (length) Fuel injectors, whatever ##LB you require for your fuel needs.

or

3. LS1-LS6 style injectors but will require qty 4, 1/2 inch spacers to correctly mount the LS2 fuel rail to the intake, or run FAST kits ---> oem LS2 style 146021-KIT/ billet style 146032-KIT <---these kits will include the correct parts to run FAST 102mm intake with LS1-LS6 injectors
i attached a fuel option flow chart.

I will be running LS2/LS3 fuel rail and LS2 42lbs injectors @3bar with harness adapters.
Attached Thumbnails fast 102-102mm-flow-chart.jpg  

Last edited by camcamaro1991; 02-22-2010 at 07:17 PM.



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