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08-24-2023, 02:00 PM
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#1 |
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E85 content limit
Hi folks,
I’ve got a 2023 Camaro zl1 with a cam and supporting mods. I have a 32% fuel lobe on my cam as well. I was wondering how much e85 content I will be able to run without having an aux pump. |
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08-24-2023, 02:44 PM
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#2 |
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Super Stock
Drives: Chevrolet Camaro ZL1 Join Date: May 2022
Location: Concordia
Posts: 1,004
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Do you have a JMS already in place?
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2017 Red Hot ZL1 A10 - Apex ARC-8's, 305/ 325 PS4's, DSX 9.06 12% lower, Griptec OE upper, NGK HR7 Ruthenium plugs, Nostrum 25+ injectors, XDI Goliath HPFP, Katech dual in tank LPFP, Katech oil pump, LME tensioner, DOD delete, LT1 big fuel cam, Jokerz ported blower, MPI lid, GMS hood extractor bracket, Granatelli SS plug wires, Cordes LTR reservoir, DMS T-stat housing, 186* LS3 T-stat, Borla X pipe, Black Widow Angry Housewife/ Corsa NPP mufflers, BMR engine mounts, Banks iDash, Lithium Battery, AEM X- Series, HP Tuners, E85, 16.5 psi
758 HP/ 804 TQ  |
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08-24-2023, 02:57 PM
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#3 |
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I do not.
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08-24-2023, 03:21 PM
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#4 |
    
Drives: 2023 ZL1 Join Date: Dec 2022
Location: Columbus, Ohio
Posts: 1,287
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So, I'm kind of going though this now with my 2023 ZL1. But I have a stock CAM and from what I understand, the CAM isn't my bottle neck. The bottle neck is the high-side fuel pressure which runs out of capacity when running e85 or a mix related to high-side high-side fuel pressure command. What other members here have indicated to me, along with other well respected tuners is I need more high side for running e85/mix and that's what the JMS FuelMax Booster helps with. So It you look at my post(s) here is a response that starts the whole explaining of my situation.
Post #208 is where my FlexFuel posts start: https://www.camaro6.com/forums/showt...611982&page=15 Good Luck !!!
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Katech Track Day CAM 38%•BTR Dual Valve Springs•Johnson Lifters•Trend 3/8 Chromoly Pushrods• VVT Del•CNC Heads•AFM Delete• C5-R Timing Chain•Katech Oil Pump•Katech 112mm•Maggie 2650 3.25” Upper/ATI SD w/10.32” +20%•10 Rib Belt•RFBG•FI IC Stage 2•THPSI Port w/875cc Inj•Katech Dual Fuel Pump•DSX Aux Pump•SW 2" Headers w/Legend NPP•GESI UHO 4.5" CATs•Brisk RR14S Plugs•BMR Motor Mounts•BMR Cradle Lockout &Bushings Kit•BMR Rear Suspension & 15" Conversion•DSS 1pc DS•RPM 6-Point Roll Cage•10lb FireSense+ w/4Fire SFI 17.1 Fire Sys•Weld Forged Vitesse Rear 17x10 Beadlocks-Front 18x6•Unlocked TCM
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08-24-2023, 03:37 PM
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#5 | |
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Super Stock
Drives: Chevrolet Camaro ZL1 Join Date: May 2022
Location: Concordia
Posts: 1,004
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Quote:
In my current configuration I run a JMS/32% lobed cam and I run a 12% overdrive lower pulley on E80-E81. It's just about maxed out on fueling short of swapping out injectors, but it makes some solid power over what OE capabilities are. Long story short, if you want to fill up fully pump E then you'll need a JMS. If you don't want to do a JMS then you'll need a drop in fuel pump solution.
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2017 Red Hot ZL1 A10 - Apex ARC-8's, 305/ 325 PS4's, DSX 9.06 12% lower, Griptec OE upper, NGK HR7 Ruthenium plugs, Nostrum 25+ injectors, XDI Goliath HPFP, Katech dual in tank LPFP, Katech oil pump, LME tensioner, DOD delete, LT1 big fuel cam, Jokerz ported blower, MPI lid, GMS hood extractor bracket, Granatelli SS plug wires, Cordes LTR reservoir, DMS T-stat housing, 186* LS3 T-stat, Borla X pipe, Black Widow Angry Housewife/ Corsa NPP mufflers, BMR engine mounts, Banks iDash, Lithium Battery, AEM X- Series, HP Tuners, E85, 16.5 psi
758 HP/ 804 TQ |
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08-25-2023, 09:28 AM
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#6 | |
 Drives: 2017 ZL1 Join Date: Mar 2022
Location: SD
Posts: 67
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Quote:
What cam are you running? Looks like you are making 700 wheel? |
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08-25-2023, 11:01 AM
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#7 | |
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Super Stock
Drives: Chevrolet Camaro ZL1 Join Date: May 2022
Location: Concordia
Posts: 1,004
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Quote:
__________________
2017 Red Hot ZL1 A10 - Apex ARC-8's, 305/ 325 PS4's, DSX 9.06 12% lower, Griptec OE upper, NGK HR7 Ruthenium plugs, Nostrum 25+ injectors, XDI Goliath HPFP, Katech dual in tank LPFP, Katech oil pump, LME tensioner, DOD delete, LT1 big fuel cam, Jokerz ported blower, MPI lid, GMS hood extractor bracket, Granatelli SS plug wires, Cordes LTR reservoir, DMS T-stat housing, 186* LS3 T-stat, Borla X pipe, Black Widow Angry Housewife/ Corsa NPP mufflers, BMR engine mounts, Banks iDash, Lithium Battery, AEM X- Series, HP Tuners, E85, 16.5 psi
758 HP/ 804 TQ |
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