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What fuel rails / injectors for lq4 with ls1 intake

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Old 08-09-2016, 09:07 PM
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Default What fuel rails / injectors for lq4 with ls1 intake

I'm sure this topic has been beaten to death.

I have 6.0 lq4 that I'll eventually turbo. Looking for 650 horse. What rails and injectors are you running that will fit this ls1 intake?

Any help is much appreciated
Old 08-10-2016, 06:39 AM
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Stock LS1 rails/injectors?
Old 08-10-2016, 08:16 AM
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Well I have the bare intake so I figured Id go aftermarket. But the stock rails must be easy to come by. Are the stock injectors big enough to support 650?
Old 08-11-2016, 07:48 AM
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No, but you did say 'eventually'. If you put bigger injectors in it, you'll have to tune it. And when you go turbo, it'll need retuned.

Siemens Deka 80 lb injectors are the go-to for less than 1000 HP around here.
Old 08-11-2016, 04:17 PM
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Sounds like you need a nice shiny CBM fuel rail kit! And I would go with 60 lbs injectors for the 650hp range.

Fuel Rail Kits

Last edited by CBM Motorsports; 08-11-2016 at 04:29 PM.



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