Originally Posted by trackjunkie
(Post 4865571)
are you talking about the fuel lines and seals? pretty much all newer cars fuel system can handle e85 since pump gas has up to 10% ethanol.
But concentration makes a difference. Kinda like how nothing is gonna happen if you put your hand in a lemonade(other than wasting some good drink), but if you put your hand in concentrated sulfuric acid, it's not gonna be pretty. There is a chance, albeit small, that the stock seals can handle E85, but I wouldn't just assume that. Remember that unless your car is designed/modded to run ethanol fuel, ethanol is actually considered bad for the fuel system and you want to avoid it if you can. And for premix, I looked up out of curiosity, and some people said you can find some synthetic premix that will work with ethanol fuel, but again, you gotta double check if yours will mix with ethanol fuel. |
https://cimg8.ibsrv.net/gimg/www.rx8...169d3ada3b.jpg
I refined the staging some more I have a little more work I need to fiddle with in the low RPM range but for the most part I am really happy with this. |
do you have HP graph overlay of pump gas vs e85
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Not going to have one. The Dyno I did my baseline at sucked and kept cutting out. We are going to a different one to get a e85 baseline. Then when I get time I will switch back to pump and go back to the same place.
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any issues with cold start on e85? does it take longer to start the car? coming from Evo community, it was common to have cold start issues on e85, but more so when ambient temp was below freezing. in most case, gas stations change e85 to winter blend with lower eth percentage. but i never experience cold start issues with my evo when i ran e85.
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Originally Posted by trackjunkie
(Post 4865993)
any issues with cold start on e85? does it take longer to start the car? coming from Evo community, it was common to have cold start issues on e85, but more so when ambient temp was below freezing. in most case, gas stations change e85 to winter blend with lower eth percentage. but i never experience cold start issues with my evo when i ran e85.
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i have track events in march and november in northeast and it's always bellow freezing in the morning.
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Originally Posted by trackjunkie
(Post 4866066)
i have track events in march and november in northeast and it's always bellow freezing in the morning.
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i'm using Verastuner on stock ecu. i haven't looked to see if those adjustments are available
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e85 dyno planned for monday now!
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Iv ran into some electrical gremlins that I have not been able to solve. Iv got a new engine harness, crank angle sensor, and crank trigger on its way to me.
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how does the AFR look
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Originally Posted by trackjunkie
(Post 4869973)
how does the AFR look
around 13.0 I found that my SSV or VDI was not opening from the last time I had data. So when I went to the dyno I was indeed out of pump and injector. Last night I installed a Aeromotive Stealth 340 and ID1050 Secondaries. |
for the race class that i'm running in, i'll have to detune to the car to 190 whp max. so i wonder if just after market pump and oem injectors is enough.
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Originally Posted by trackjunkie
(Post 4870014)
for the race class that i'm running in, i'll have to detune to the car to 190 whp max. so i wonder if just after market pump and oem injectors is enough.
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Originally Posted by Brettus
(Post 4870016)
Why would you even consider E85 in that case ? Surely just running stock and on pump gas will achieve that ?
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Originally Posted by shawnm565
(Post 4870017)
Cooling! My engine runs around 1300egts instead of like 1600-1700 with pump gas.. I would think if you detuned the car stock pump and injectors would be fine.
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Originally Posted by Brettus
(Post 4870016)
Why would you even consider E85 in that case ? Surely just running stock and on pump gas will achieve that ?
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e85 also burns a lot cleaner, pretty much no carbon deposits at all compared to pump gas.
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Also why does everyone think that because everyone else does it... its the only way to do things lol just because everyone else jumps off the bridge doesnt mean you have too...
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Originally Posted by trackjunkie
(Post 4870023)
For more torque and power under the curve. And for cooling. It's not anymore more hassle for me to bring e85 to track. Avg hp is more important than peak power.
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Originally Posted by Brettus
(Post 4870125)
Ok ...i think I understand ... You are going to aim for as much power as possible then jack the tune at the top end so it doesn't go over 190 ?
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Originally Posted by trackjunkie
(Post 4870137)
correct, going for as much power as possible low to mid rpm, then close the throttle when it reach 190 whp and keep it there till redline.
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Originally Posted by Brettus
(Post 4870145)
It might be as simple as disabling the VDI !
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