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E85 injector size for LS3 TT 800rwhp

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Old 10-13-2015, 06:03 AM
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Default E85 injector size for LS3 TT 800rwhp

Hi I have walbro 460 into pot dual walbro 255 -8 lines into LS3 twin turbo.
Just trying to confirm injectors to 800rwhp been told 1400-1650cc?
Old 10-13-2015, 07:25 AM
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I maxed out fic 1000cc injectors with a magnafuel 4303 -10 feed -8 return on e85. Put down 704whp blowing thru the converter. You should be good with 1400cc.
Old 10-13-2015, 01:50 PM
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And if you're going that far just grab 160's and be done. These seem to be a hot new item.

http://www.ebay.com/itm/141690965018?_trksid=p2060353.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
Old 10-13-2015, 02:44 PM
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I am running Bosch 127's at 60 psi base and at 11.4 afr I am only at 75% idc at 795whp on fuel that tested at a true 85%. The drivability is also great.
Old 10-13-2015, 08:04 PM
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I am on Deatschwerks 90Lb (@43.5psi) LS3 injectors with a base pressure of 65psi with E85. Not sure on exact power level but my car sees 125+ 1/8 mile traps @ 3300 lbs! Duty cycle is in the high 90% tho

Just to give you an idea....
Old 10-13-2015, 09:25 PM
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I run 120lbs. low imp injectors. Over the weekend, I trapped 142 at 3400 pounds. 55 psi fuel pressure, 13.5 MS pulse width, so about 67% DC. Mid 7 AFR's. Comes out to a little over 700rwhp according to the calculators. Drives like a stock injector.
Old 10-13-2015, 10:27 PM
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1000 cc injectors will suffice for 800 rwhp. Having enough pump pushing is the key and you've got that covered with the 2 450s.

Mine are at upper 80s IDC.
Old 10-14-2015, 01:33 AM
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Thanks so the Intel appears correct 1500+ should be good.

460 into 2x 255 OK?



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