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Oct 1, 2009, 10:38 AM
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#1
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Newbie
Personal Sales Rating: ( 0)
Join Date: Sep 2008
Location: Illinois
Posts: 54
Drives: 03 Evo VIII
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Need help with e85 please!!!
i am going to e85 in a couple days and i need to know if my single walbro will hold up.. i went with the FP Red setup with all bolt ons and stock internals.. i went with the 1200cc injectors and im hoping for 450awhp or more.. will i be ok on the single walbro.. i talked to ams and they said i need a double pumper or in-line fuel pump.. any help is greatly appriciated.. thank you
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Oct 1, 2009, 10:44 AM
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#2
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Personal Sales Rating: ( 168)
Join Date: Feb 2007
Location: Plymouth, MN
Posts: 2,432
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A twin pump set-up would be great. But you will be pushing one pump to the max to have enough fuel for 30 psi on the red. I would suggest staying around 25 to 28 psi with one walbro 255.
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Oct 1, 2009, 12:30 PM
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#3
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Evolving Member
Personal Sales Rating: ( 4)
Join Date: May 2007
Location: Plymouth, MI
Posts: 325
Drives: '06 MR
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I have the FP Red with 1250cc injectors, and I was running out of fuel with a single pump right around 29-30psi. You can make it work for 30psi, but your fuel map will have to heavily compensate for it at higher RPM. The single pump should be good for ~420-430whp.
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-Jon
'06 Lancer Evolution IX MR
'97 Eagle Talon TSi AWD
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Oct 1, 2009, 12:50 PM
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#4
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Newbie
Personal Sales Rating: ( 0)
Join Date: Sep 2008
Location: Illinois
Posts: 54
Drives: 03 Evo VIII
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e85
thanks alot guys.. i appreciate the help.. im gunna stick with the single pump and hopefully can make 430 awhp.. thanks agian
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Oct 1, 2009, 03:08 PM
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#5
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Newbie
Personal Sales Rating: ( 0)
Join Date: Sep 2008
Location: Illinois
Posts: 54
Drives: 03 Evo VIII
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would a fuel rail and a fuel pressure regulator help?
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Oct 1, 2009, 03:46 PM
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#6
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Personal Sales Rating: ( 168)
Join Date: Feb 2007
Location: Plymouth, MN
Posts: 2,432
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I will be installing a fuel rail on my car next week to see if it helps.
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Oct 1, 2009, 04:03 PM
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#7
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Silver Sponsor
Personal Sales Rating: ( 4)
Join Date: Sep 2007
Location: Hayward
Posts: 1,886
Drives: EVO, STI
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Most setups with single pumps max out right about 450-460whp on our mustang dyno on E85.
The highest so far is 480whp on our dyno, for a single pump. The only difference with this car is it has a upgraded fuel rail and -6 AN line from the firewall to it. Still have complete fuel control. IDC's are around 89%, which doesn't mean much though because as soon as the pump can't do anymore the IDC's will shoot through the roof.
I'm convinced the rail helps for sure.
- Bryan
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Oct 1, 2009, 04:23 PM
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#8
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Evolved Member
Personal Sales Rating: ( 48)
Join Date: Feb 2004
Location: Redmond - Lake Tapps ,WA
Posts: 2,368
Drives: 03 EVO VIII White
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With a "stock" Walbro I was out of fuel at 24 psi and 430 whp. With a modified (pressure relief valve pushed-in) I was able to get to 28 psi and 460 whp.
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jid2 Built: Now featuring E85 super fuel
2.3L - GT3076R .63A/R, ETS equal length, Kelford 272's, BC valve springs, 1mm O/S valves, FIC BM 1450's, Full-Blown dual Walbros, Buschur IC, jid2 intake, airbox, IC pipes, APS BOV, TBE, ACT HDSS, Stock ECU, 28 psi 466hp/420 ft-lb...
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Binary Lowered Recaro Seats, Girodisc 2-Piece, brake ducting, ST43's, SS lines and ATE Superblue, KW V3's 8K/10K, jid2 flat-bottom, adjustable splitter and aero, 18x9.5 +40 NT03's 265/18/35 BFG R1's
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Oct 1, 2009, 04:24 PM
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#9
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Silver Sponsor
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I forgot to mention, none of the single pumps on our dyno have been modded.
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Oct 1, 2009, 04:56 PM
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#10
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EvoM Guru
Personal Sales Rating: ( 33)
Join Date: Mar 2006
Location: Tri-Cities, WA
Posts: 4,794
Drives: Evo IX MR
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Quote:
Originally Posted by GST Motorsports
I forgot to mention, none of the single pumps on our dyno have been modded.
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So they didn't have the pressure relief valve munged shut?
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Works drop-in :: AMS LICP :: English Racing ported EM and HS :: Titek v2 O2 :: Helix v2 DP :: MIL.SPEC 100 cps cat :: RRE Stealth Stainless :: Walbro :: FIC 1050s :: E85 :: self-tuned :: 26.5 psi :: 340wtq/375whp VDR 5.71 EvoM mode, 77°F
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Oct 1, 2009, 04:58 PM
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#11
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Silver Sponsor
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Location: Hayward
Posts: 1,886
Drives: EVO, STI
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Quote:
Originally Posted by mrfred
So they didn't have the pressure relief valve munged shut?
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Nope. Dropped-in unmolested walbros. I frown upon that mod. 
- Bryan
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Oct 1, 2009, 05:06 PM
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#12
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EvoM Guru
Personal Sales Rating: ( 33)
Join Date: Mar 2006
Location: Tri-Cities, WA
Posts: 4,794
Drives: Evo IX MR
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Quote:
Originally Posted by GST Motorsports
Nope. Dropped-in unmolested walbros. I frown upon that mod.
- Bryan |
Interesting. I thought it was needed if pushing more than around 26 psi of boost.
__________________
Works drop-in :: AMS LICP :: English Racing ported EM and HS :: Titek v2 O2 :: Helix v2 DP :: MIL.SPEC 100 cps cat :: RRE Stealth Stainless :: Walbro :: FIC 1050s :: E85 :: self-tuned :: 26.5 psi :: 340wtq/375whp VDR 5.71 EvoM mode, 77°F
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Oct 1, 2009, 07:01 PM
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#13
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Evolved Member
Personal Sales Rating: ( 2)
Join Date: Mar 2004
Location: Chicago
Posts: 2,501
Drives: 2005 EVO VIII
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I'm only on the stock turbo still, but I run an unmodified Walbro to 30 psi with no problem.
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Oct 1, 2009, 09:52 PM
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#14
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Newbie
Personal Sales Rating: ( 0)
Join Date: Sep 2008
Location: Illinois
Posts: 54
Drives: 03 Evo VIII
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thanks alot guys.. im gunna pick up a fuel rail tonight and just wing it with the single walbro, injectors, and the rail.. hopefully i can make descent power.. AMS is saying only around 400 to 420 on there dyno but we'll see.. im hopin for 430
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Oct 1, 2009, 09:53 PM
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#15
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Newbie
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Join Date: Sep 2008
Location: Illinois
Posts: 54
Drives: 03 Evo VIII
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they also said that it would be making 28-30lbs of boost.. you'd think it would make more than 420awhp
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