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Old 04-26-2014, 10:06 AM   #15
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This thread caught my eye since I'm running into the same thing! Twin ADM's, FAST 85#, e85, ~10 PSI and I swear I'm running out of fuel! I'm putting it on a dyno in a couple of hours, but with soft launches it was doing 117 MPH through the 1/4 mile traps.
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Old 04-27-2014, 02:50 AM   #16
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Thanks for the suggestions everyone. See what Pat says about the IDs and FIC's.
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Old 04-27-2014, 08:55 AM   #17
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You're making 644rwhp at 8psi with a maggie?
Yeah it's hard to believe. My tuner was blown away with this cam. I never expected it but for some reason this cam responded really well. With the 3.6 pulley it made 7.1lbs and made 620 554. So we droped to the 3.4. At some point I'm going to start a trend about it once I figure out why all my pic come out sideways on here.
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Old 04-27-2014, 10:11 AM   #18
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Fic injectors
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Old 04-27-2014, 10:43 AM   #19
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So here is a different question...... What is the lowest IDC you would want to run
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Old 04-27-2014, 10:52 AM   #20
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So here is a different question...... What is the lowest IDC you would want to run

Fic 60's are good to 600 easy In an A6.


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Old 04-27-2014, 11:17 AM   #21
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Well I just picked up some ID1000 for the new build but wanted to know what would be too big
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Old 04-27-2014, 11:20 AM   #22
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Only problem I see with to big of an injector would be idle problems.


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Old 04-27-2014, 11:23 AM   #23
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That's what I was thinking......... I'm in the process of building a 416 VVT setup and want to go E85 route which is why I went with the 1000's but I wanted to know if it would be too big for 93 gas
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Old 04-27-2014, 11:24 AM   #24
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That's what I was thinking......... I'm in the process of building a 416 VVT setup and want to go E85 route which is why I went with the 1000's but I wanted to know if it would be too big for 93 gas
You going N/A?
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Old 04-27-2014, 11:25 AM   #25
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Yep
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Old 04-27-2014, 11:38 AM   #26
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I run Siemens deka IV's 60lbs @ 58 psi from a squash dual pump setup, that equates to 72lbs. ECS sc, TSP cam, 636rwhp. on the track I'm only at 70% idc @ 8 psi at the top of each gear. Will move up to the Siemens 80lbs when ready.
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Old 04-27-2014, 11:38 AM   #27
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Yep

That's a lot of injector for N/A. Unless you're building some 1000+ N/A monster I would say 60 or 80's would be fine.


1000 lb x 8 x .85)/.50 = 1,360 hp @ 85% duty cycle

max safe hp = [ (injector size) x (total # of injectors) x (max duty cycle) ]/BSFC


BSFC
Naturally Aspirated .50
Forced Induction @ 0.55:
Forced Induction @ 0.65
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Old 04-27-2014, 11:44 AM   #28
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I really wanted the 850 but got the. 1000 for a good price , I may just swap them out with someone that wants to bump up a little
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