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Jul 14, 2009, 07:07 PM
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#1
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Location: Colorado
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Drives: 03 Evo VIII
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E85, GT3076, 1600cc Inj, Single Walbro?
I am going to convert to E-85 and just installed 1600cc DeatschWerks injectors. I was wondering if the Single Walbro I already have would supply enough fuel for the Gt3076, Or should I ditch the single and get a double pumper?
Current Power Mods are,
XS Engineering 272 cams
Walbro Fuel Pump
GT3076 Turbo
Agency Power Fuel Rail
Areomotive FPR
AEM EMS
ARP Headstuds
Stock valvespring/Retainers
Stock Block/Internals
Also, would an Injector driver box be a necessity with the DeatschWerks 1600cc injectors on the AEM?
Last edited by qmautosports; Jul 14, 2009 at 07:11 PM.
Reason: Typo
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Jul 15, 2009, 11:44 PM
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#2
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Anyone?
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Jul 15, 2009, 11:47 PM
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#3
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single only good to 500-550whp
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Jul 15, 2009, 11:52 PM
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#4
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Well with the bottom end being stock I wouldn't want to push over 450whp. I was just wanting to know if a double pumper is absolutely needed to reach 450whp with my setup on E85
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Jul 16, 2009, 12:04 AM
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#5
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Quote:
Originally Posted by qmautosports
Well with the bottom end being stock I wouldn't want to push over 450whp. I was just wanting to know if a double pumper is absolutely needed to reach 450whp with my setup on E85
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Single pump maxes out around 460-470whp on our mustang dyno on E85. So if your goal is 450whp, I would say you are good. 
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Jul 16, 2009, 12:08 AM
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#6
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Quote:
Originally Posted by qmautosports
Well with the bottom end being stock I wouldn't want to push over 450whp. I was just wanting to know if a double pumper is absolutely needed to reach 450whp with my setup on E85
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We hit 558whp today on my own stock bottom end before running out of fuel on a single walbro.
__________________
2005 Evolution VIII MR
763whp/595tq HTA86
10.19 & 143.3mph stock ECU
Factory ECU Expert
2008 Evolution X GSR
12.0@113mph Full Wt+
In House Mustang Dyno AWD-500!
www.ttp-engineering.com
(407) 475-0010
AIM=TTPEngineering
MODIFYING THE 4G63 SINCE 1995, YES 14 YEARS!
TUNING EVO V - EVO X & 2009 RALLIART!
TTP's Myspace page!
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Jul 16, 2009, 12:11 AM
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#7
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Quote:
Originally Posted by GST Motorsports
Single pump maxes out around 460-470whp on our mustang dyno on E85. So if your goal is 450whp, I would say you are good. |
Its also relative to the air fuel ratio run on the fuel and fuel type also.
Leaded racefuel in the 600whp range.
Pumpgas, limited by octane.
Ethanol, relative to AFR as ethanol can be run at a broad AFR without detonation.
__________________
2005 Evolution VIII MR
763whp/595tq HTA86
10.19 & 143.3mph stock ECU
Factory ECU Expert
2008 Evolution X GSR
12.0@113mph Full Wt+
In House Mustang Dyno AWD-500!
www.ttp-engineering.com
(407) 475-0010
AIM=TTPEngineering
MODIFYING THE 4G63 SINCE 1995, YES 14 YEARS!
TUNING EVO V - EVO X & 2009 RALLIART!
TTP's Myspace page!
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Jul 16, 2009, 12:11 AM
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#8
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Quote:
Originally Posted by TTP Engineering
We hit 558whp today on my own stock bottom end before running out of fuel on a single walbro. |
What turbo are you using?
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Jul 16, 2009, 12:13 AM
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#9
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Quote:
Originally Posted by qmautosports
what turbo are you using?
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hta86 35r
__________________
2005 Evolution VIII MR
763whp/595tq HTA86
10.19 & 143.3mph stock ECU
Factory ECU Expert
2008 Evolution X GSR
12.0@113mph Full Wt+
In House Mustang Dyno AWD-500!
www.ttp-engineering.com
(407) 475-0010
AIM=TTPEngineering
MODIFYING THE 4G63 SINCE 1995, YES 14 YEARS!
TUNING EVO V - EVO X & 2009 RALLIART!
TTP's Myspace page!
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Jul 16, 2009, 03:14 PM
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#10
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Quote:
Originally Posted by TTP Engineering
Its also relative to the air fuel ratio run on the fuel and fuel type also.
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The title says E85 and in the OP's post that I was replying to and quoted, not leaded racefuel or pumpgas. On E85, at optimized AFR, a single pump runs out around the power I posted (460-470whp), on our Mustang dyno. It's not really open for debate, I wish it was, it would save a bunch of power hungry locals some money. 
-Bryan
Last edited by GST Motorsports; Jul 16, 2009 at 04:33 PM.
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Jul 19, 2009, 02:50 PM
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#11
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I can confirm GST's comments.
My car is a 2.3L, running a GT3076R on E85. My single unmodified Walbro was unable to supply enough fuel above 24 psi and about 430 whp via DLL. I modified the Walbro relief valve and was able to increase boost to 28 psi at which point I was fuel limited again. That netted 466 whp on DLL.
450 whp on a modified Walbro will be just near the limit - but should be OK.
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Aug 17, 2009, 08:36 PM
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#12
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Update: Ended up doing 480Whp at 26psi!! E-85 FTW!
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Aug 17, 2009, 08:47 PM
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#13
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Quote:
Originally Posted by qmautosports
Update: Ended up doing 480Whp at 26psi!! E-85 FTW!
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Single pump or?
Congrats on the power.
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Aug 18, 2009, 12:29 AM
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#14
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Sry, it was on the single pump and had absolutely no issues!!
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Sep 15, 2009, 08:02 AM
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#15
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thought the walbro pump is good up to 700hp.
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Tags
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1600cc, double, e85, evo, evolution, gt3076, gt30r, gvr4, inj, is300, pumps, single, single walbro, sti, walbro  |
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