SiriMoto E85 Flex Fuel Kit
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Thread: SiriMoto E85 Flex Fuel Kit

  1. #1
    Super Mod's Pet fergy016's Avatar
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    SiriMoto E85 Flex Fuel Kit

    Good morning all,

    I received an email from Pro Car Studio advertising a Plug and Play Flex Fuel kit for our 9th gen civics. I was wondering if anyone has purchased one, and what their thoughts were.

    It see they bundle it with 550 cc injectors/Fuel Pump which would be a smart addition since E85 requires more flow.
    Attached Thumbnails Attached Thumbnails SiriMoto E85 Flex Fuel Kit-sirimoto-e85-flex-fuel-full-kit_lrg.jpg  

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  3. #2
    Supporting Vendor procivic's Avatar
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    Quote Originally Posted by fergy016 View Post
    Good morning all,

    I received an email from Pro Car Studio advertising a Plug and Play Flex Fuel kit for our 9th gen civics. I was wondering if anyone has purchased one, and what their thoughts were.

    It see they bundle it with 550 cc injectors/Fuel Pump which would be a smart addition since E85 requires more flow.
    Hi,

    Sorry for the late reply. We've had quite a few customers purchase this kit already. I'm not sure if any are on this forum or not, but if they are, hopefully they chime in.

  4. #3
    Super Mod's Pet 12FG4Rallye's Avatar
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    I personally wouldnt go e85 unless i was boosted. Depending on mods ive seen people gain 5-7whp and around and same with torque but then youve also got the decrease in your MPG too and how accessible is e85 in your area? Just some things to consider if planning to stay NA and run e85. Also a fuel pump is always a good idea but i remmeber awhile back vit had said its honestly not needed with staying NA and that he had just swapped the stock injecots to 550cc and the car was fine
    Follw me on IG: fl_fg4

    205 whp
    174 wtq
    Tuned by John Vega at Phearable

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  6. #4
    Supporting Vendor procivic's Avatar
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    The E85 can actually net pretty good power gains on a mostly stock K24Z7 engine. From the factory there is a ton of knock - mainly due to the restrictive factory "cast in" headers that run directly into the cat converter unit. The E85 allows for the elimination of this knock, even with greatly increased ignition timing. 10-20 hp gains would not be unreasonable to see in this type of situation. Of course, the E85 is still far more effective on boosted applications.

  7. #5
    Nooblets SoFlaFB6's Avatar
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    Quote Originally Posted by 12FG4Rallye View Post
    I personally wouldnt go e85 unless i was boosted. Depending on mods ive seen people gain 5-7whp and around and same with torque but then youve also got the decrease in your MPG too and how accessible is e85 in your area? Just some things to consider if planning to stay NA and run e85. Also a fuel pump is always a good idea but i remmeber awhile back vit had said its honestly not needed with staying NA and that he had just swapped the stock injecots to 550cc and the car was fine
    I've made close to 230whp on E85 with full bolt on's using RDX injectors
    2014 Taffeta White Si Sedan
    FBO - E85 - KTuner

  8. #6
    Super Mod's Pet 12FG4Rallye's Avatar
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    Quote Originally Posted by SoFlaFB6 View Post
    I've made close to 230whp on E85 with full bolt on's using RDX injectors
    What were you making before on 93 though? Was it a significant increase? MPG Cut by how much?
    Follw me on IG: fl_fg4

    205 whp
    174 wtq
    Tuned by John Vega at Phearable

  9. #7
    Super Mod's Pet JDMisland's Avatar
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    I'm more interested too. Flex fuel meaning whatever the sensor picks up as a blend then it will automatically change my ignition timing and ETC via the tune on Hondata?
    2015 Civic Si MSM FB6
    -DW Fuel Return
    -Radium Fuel Rail
    -Hondata FlashPro
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    -Orsen Shield Skid Plate
    -RBC W/ Ported Runners
    ​-Boomba Torque Dampeners
    -ACUITY Shift Linkage Bushings
    -FullRace Exhaust W/ TS Mounts
    -Makspeed Turbo Kit, COMP BB 6062
    Suspension
    -BuddyClub Camber Arms
    -Ultimate Racing 4pt Strut Brace
    -Ultimate Racing 3pt Trunk Brace
    -BuddyClub Sport Spec Coils W/ Poly Bushings & Swift Springs




  10. #8
    Supporting Vendor procivic's Avatar
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    Quote Originally Posted by JDMisland View Post
    I'm more interested too. Flex fuel meaning whatever the sensor picks up as a blend then it will automatically change my ignition timing and ETC via the tune on Hondata?
    Yes, that's correct. It auto adjusts everything depending on the exact fuel mixture!

  11. #9
    Super Mod's Pet fergy016's Avatar
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    Is there a need for a retune beyond the basemap if this is the only modification?

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