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Injector sizing E85

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Old 01-01-2013, 01:09 PM
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Default Injector sizing E85

I am needing to start shopping for some injectors, I am going to run E85 and with twin 70's I would guess maybe 1100 hp. What size (and brand) should I be looking for? Also what kind of fuel pressure?
Old 01-01-2013, 01:35 PM
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1100flywheel? or rear wheel, you're probably going to want 160s
stock 60psi
Old 01-01-2013, 01:37 PM
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I'm just guessing 1100 flywheel, basically whatever the turbos will give me. This is a 5.3.

I have a buddy with some 120's but I don't think they will be enough.
Old 01-01-2013, 02:12 PM
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ID 2000's.
Old 01-01-2013, 02:23 PM
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Thanks, not sure 2G for injectors is in the cards.
Old 01-01-2013, 02:31 PM
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You can use FIC 2000's. They are cheaper. I run the IDs and for a large injector they tuned great. Idle is perfect.
Old 01-01-2013, 03:41 PM
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FIC2000's are a little over a grand.

I went with Trick Flow 120's and a Versafueler for 900rw on E for this spring but currently using 95's around 800rwhp.

Some used low imp 160's and a used Versafueler is probably the cheapest solution but the FIC 1600 or 2000's are lot easier.
Old 01-01-2013, 03:45 PM
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The cheapest solution is the way I did it. lol Used 160 low impedence. $17 resistors in line with the injectors instead of a $400 driver box, and I run 50 psi base pressure. The base pressure is something that you will just have to mess with. Like Denmah said, 60psi is what I started with but car ran and idled much better at 50psi. Plus with the huge injectors you don't need as much fuel pressure.
Old 01-01-2013, 04:10 PM
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Thanks Guys. Wicked that is most likely the route I will go.

How do these look, anyone using them?
http://www.ebay.com/itm/8-NEW-160LB-...item2a276c2c6c
Old 01-01-2013, 05:08 PM
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I have 95s with E85 and about 650-700 wheel. At 22Psi (boost) and 65psi (fuel, base + 22), I only logged 80ish % duty cycle. Check out a mustang forum or yellowbullet, low imp 160s pop up all the time and that would be enough cushion. Just get some resistors and rock out.



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