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Are 60 lb Siemens deka injectors good enough for turbo ls1?

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Old 02-06-2014, 03:01 PM
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Default Are 60 lb Siemens deka injectors good enough for turbo ls1?

I have a set of 60lb siemens injectors and my buddy needs injectors for his turbo build. He has a stock ls1 with 317 heads and a turbo cam. He plans on going no more than 17 psi and running meth with it. i'm giving them to him for free I just wanna make sure that its enough injector.
Old 02-06-2014, 03:09 PM
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At 17 psi they probably won't be enough.
Old 02-06-2014, 03:23 PM
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Depends on power.im at 70% idc with 50/50 meth with enough power to trap 134 in a 3200lbs fox.probly around 630rwhp
Old 02-06-2014, 03:28 PM
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This is going to be in a full weight f body and will be running 85/15 meth/water.
Old 02-06-2014, 05:35 PM
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I made about 720whp @ 15psi with mine and that was their absolute max.
Old 02-06-2014, 08:59 PM
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go 80# injectors at the least..... to be safe you'd in all reality need to let us know what turbo to give you a better answer. What turbo ...what amount of cfm is it capable of producing...theres your hp potential....then you can calculate fuel injector needs
Old 02-06-2014, 09:04 PM
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wait....lol. i retract my previous statement... m/i can make up for a lot... what fuel though..? Those 60# siemens deka will most likely be fine. However more info would net you a better answer.
Old 02-06-2014, 10:44 PM
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The 80's aren't that much more, I'd pick those up!
Old 02-07-2014, 03:06 AM
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I'm at 85% duty cycle @ 770rwhp on 60s but run two meth nozzels and straight methI if you havn't bought em yet just go the 80s and be done , not much differencs in price.
Old 02-07-2014, 05:06 AM
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if you have a good pump & turn the base pressure way up they might be ok.
Old 02-07-2014, 08:33 AM
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on a returnless setup ive seen them good for about 650rwhp. boost ref return style more since you can crank the pressure

im currently at 97ish% and make about 630rwhp on a mustang dyno (136mph @ 3500#s), had another car that was at 100-102% doing about 590 rwhp through an unlocked 4l80 (133 @ 4100#s) but that one was voltage boosted at the pump
Old 02-07-2014, 11:45 AM
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My buddy said he is going to roll with some 80's. Well, that means these are up for sale.



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