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Old 06-26-2009, 11:42 PM   #151
Snow Drift
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Saw this the other day:

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Old 06-27-2009, 12:04 AM   #152
WagonGGA
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Nice Find!!
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Old 06-27-2009, 10:41 AM   #153
subschutjer
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hey guys if i don't sell my ride soon i'm wantin to join the army. any idea of what type injectors i would need? here's my mods(the ones that would matter i think)

Cobb shortblock (forged internals)
TGV delete
one step colder plugs
DOM III turbo
XS FMIC
Turbo smart Re-circ
Invidia TBE (no cats)
Grimmspeed Boost solenoid
Wallboro
XS SRI
Hi-flow oil pump

currently making 400hp 425 ft/lb tq, 315 awhp at elevation of 5,012 :|

currently running modded 816 injectors. please pm with suggestions on size/impedence/brand stc.

thanks!

Last edited by subschutjer; 06-27-2009 at 10:46 AM. Reason: update
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Old 06-27-2009, 11:16 AM   #154
2.5i
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I am currently running 100% e85 all day everyday... no horsepower numbers yet though. I have to fix a couple problems with my engine right now, but once it gets back together I'll have the duty cycle and dyno numbers. Oh yea the car is N/A so I'll be similar to Hamfist.
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Old 06-29-2009, 01:01 PM   #155
subschutjer
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no suggestions on injectors?
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Old 06-29-2009, 01:25 PM   #156
tazswing
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HTA68
DW 850s
Turbo-back (duel catted DP)
Stock TMIC and internals.
AEM CAI
colder plugs
400ft., 80 degree shop temp.

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Old 06-29-2009, 01:40 PM   #157
C J
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nice, looks like it holds well. Turn that boost up! Easily can do 25psi!
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Old 06-29-2009, 02:07 PM   #158
juanmedina
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Quote:
Originally Posted by tazswing View Post
HTA68
DW 850s
Turbo-back (duel catted DP)
Stock TMIC and internals.
AEM CAI
colder plugs
400ft., 80 degree shop temp.
What is the injector duty cycle?, does injectors seem to small for a 47lb turbo at your altitude IMO
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Old 06-29-2009, 04:31 PM   #159
klattery
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Quote:
Originally Posted by subschutjer View Post
no suggestions on injectors?
If you are keeping your setup the same, and just changing to E85, then you should measure your injector duty cycle via RomRaider or something. Then a guideline to required size would be:

Current Injector Size x Current Max Injector Duty Cycle x 1.3 / .9


The first product tells you how much injector you are actually running. The 1.3 gives you the extra fuel for E85 at 100% duty, and dividing by .9 gives you a safer 90% duty cycle. So in all the formula gives you a 90% Injector duty cycle ESTIMATE for a similar tune, but on E85. It would probably be enough to get a good tune, though you may still max the injectors out, and should probably bump up the number a bit to give some headroom.

Just my two cents. Feel free to chime in with other opinions.
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Old 06-29-2009, 08:38 PM   #160
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Old habits die hard. Here in Kentucky I'm trying to get some excitement for e85.

Keep the faith & keep the performance #s rolling in.
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Old 06-29-2009, 09:11 PM   #161
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Butanol/Nitrometh Homelite I tweaked this afternoon.

/ninjack
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Old 06-29-2009, 09:58 PM   #162
neversummer489
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where are the stickers!!!????
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Old 06-29-2009, 10:15 PM   #163
juanmedina
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Quote:
Originally Posted by neversummer489 View Post
where are the stickers!!!????
I been too busy trying to fix my car
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Old 06-30-2009, 12:32 AM   #164
C J
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Just curious but what are the AFR's everyone is hitting under boost?
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Old 06-30-2009, 12:44 AM   #165
juanmedina
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Quote:
Originally Posted by C J View Post
Just curious but what are the AFR's everyone is hitting under boost?
mine used to be in the 11.7-11.9

Last edited by juanmedina; 06-30-2009 at 01:08 AM.
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Old 06-30-2009, 12:57 AM   #166
C J
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Yeah I have someone arguing with me about stoich for e85 is 9.7:1 and that there is no way our cars are running around with 11.5ish afr's

I don't know how to explain it since I had nothing todo with the tuning, it was all CAMTuning magic.
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Old 06-30-2009, 08:05 AM   #167
06rexwagon
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CJ, you and the guy you're arguing with are both right. Stoich for e85 is around 9.8. So 1 lambda is 9.8/9.8. Because your wideband is scaled for 1 lambda equals 14.7/14.7, it shows 11.7 in gasoline afr terms. If you programmed it for e85 it would show 7.67 because you're running .79 lambda (.79 x 9.8). It's all relative.
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Old 06-30-2009, 11:26 AM   #168
C J
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Thanks man.
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Old 06-30-2009, 11:42 AM   #169
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Bump for E85 Army stickers...I want to see a design!

Hopefully will be updating in a month or two. I've got a road dyno showing ~320 whp now and I'm sure its got 12's in it, but I haven't had a chance to prove it by getting a time slip...
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Old 06-30-2009, 11:47 AM   #170
juanmedina
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Quote:
Originally Posted by C J View Post
Thanks man.

CJ post your logs on the official road dyno thread. I want to see what you get from wrxsti.l? I was doing something wrong with my road dyno interpolation, he did mine and I got completely different numbers FTW




I can't wait to fix my car issues and see if I gain anything with my higher compression, ported heads and cams
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Old 06-30-2009, 01:06 PM   #171
C J
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I will when I get home from work, the numbers Cam came up with using the same software are very similar to yours. Pretty sure they were 360/420 to be exact, just the other day someone locally here argued that 400+whp out of the stock turbo was impossible
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Old 06-30-2009, 01:33 PM   #172
juanmedina
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Quote:
Originally Posted by C J View Post
I will when I get home from work, the numbers Cam came up with using the same software are very similar to yours. Pretty sure they were 360/420 to be exact, just the other day someone locally here argued that 400+whp out of the stock turbo was impossible
yeah 346whp on airboy's spreadsheet is like 380-390whp dynojet

and lets not talk about the torque 450wtq + on a dynojet
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Old 06-30-2009, 01:57 PM   #173
tazswing
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Quote:
Originally Posted by C J View Post
nice, looks like it holds well. Turn that boost up! Easily can do 25psi!
I am scared with stock internals, but 26psi would be the target, if possible, with forged internals.


Quote:
Originally Posted by juanmedina View Post
What is the injector duty cycle?, does injectors seem to small for a 47lb turbo at your altitude IMO
Yup, I think we were getting close to 95% by the end. It would be fun to build inside and see what the limits of those injectors are. I know that DW has some "true" 1000cc and that might be what it would take to run the E85 with this turbo at 26psi.

Sorry, no plans to build any time soon. I will go through tires fast enough with the torque as is
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Old 06-30-2009, 02:40 PM   #174
C J
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Quote:
Originally Posted by tazswing View Post
I am scared with stock internals, but 26psi would be the target, if possible, with forged internals.
26psi is no problem on stock internals with e85 and proper tuning, guys go 30+ with race fuel. Its not so much the boost pressure that blows engines its everything else related to the tune!
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Old 06-30-2009, 06:39 PM   #175
C J
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btw who is doing stickers? Juan whats going on?!?
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