Is it smart to switch to E85?
#1
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Is it smart to switch to E85?
I have a 93 rx7 with a street ported, 3mm seals, gt35r, rotary performance fuel system, and many other mods. It's tuned on pump gas now but I've been reading around and seeing that ppl with my same set up but tuned on e85 are making a lot more power. So I'm trying to figure out is it a smart choice to switch and what all would I have to buy if I did switch it over?
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#8
Mazzei Formula
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If I recall correctly, One thing to keep in mind is E85 is not a mininum requirment like gasoline octane. Its a maximum. The fuel must have a maximum of 85% ethanol. A guy around my area with a very fast E85 Evo, featured in modified magazine recently, blew his motor on E85. Tested the fuel and found only 38% ethanol in the fuel.
This is what scares me from going E85. The inconsistency and the possible hydrophilic corrosive effects of the alcohol when the car is not being used.
This is what scares me from going E85. The inconsistency and the possible hydrophilic corrosive effects of the alcohol when the car is not being used.
#9
Wastegate John
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An ethanol content analyzer will eliminate the need for testing. They are relatively cheap. If tuned properly will allow for the car be be flex fuel and you can run any ethanol content you want.
#11
Mazzei Formula
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So lets say you fill up with e85, your analyzer reads 50 percent. Ecu adjusts for the lack of e85 but other half is 87...
To me there's to many variables for a street car...but damn some guys are making tempting power. Not to mention the low coolant temps sound awesome.
#12
No phonebook but OG calls
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Yes an ethanol content analyzer is of paramount importance if running ethanol.
Zeitronix ECA : SEMA Award Winning Ethanol Content Analyzer and Flex Fuel Sensor for E-85 and E-85/gasoline Blends
^In case people are lazy.
#13
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If I recall correctly, One thing to keep in mind is E85 is not a mininum requirment like gasoline octane. Its a maximum. The fuel must have a maximum of 85% ethanol. A guy around my area with a very fast E85 Evo, featured in modified magazine recently, blew his motor on E85. Tested the fuel and found only 38% ethanol in the fuel.
This is what scares me from going E85. The inconsistency and the possible hydrophilic corrosive effects of the alcohol when the car is not being used.
This is what scares me from going E85. The inconsistency and the possible hydrophilic corrosive effects of the alcohol when the car is not being used.
#15
SAE Junkie
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If you do make the switch get prepared to change your fuel filter about 10 times as frequently as you will on normal pump fuel.
I used E85 as a daily fuel for 2 years in my 1st gen. No way on earth I will ever put anything but the highest octane plain pump fuel I can find in the 3rd gen
I used E85 as a daily fuel for 2 years in my 1st gen. No way on earth I will ever put anything but the highest octane plain pump fuel I can find in the 3rd gen
#17
SAE Junkie
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Most people barely drive their 7s. I daily drove mine for 2 years. 1.5 years of 250kms weekly work trips and I'm telling you I changed the fuel filter more times than I care to remember. Symptom was always the same, fuel starvation at high load high rpm. Change it problem gone. Remove fuel filter problem gone...
#18
32psi+
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Thats fine how much driving did you do? Have you done 15000 miles of driving on a pump E85 fueled car?
Most people barely drive their 7s. I daily drove mine for 2 years. 1.5 years of 250kms weekly work trips and I'm telling you I changed the fuel filter more times than I care to remember. Symptom was always the same, fuel starvation at high load high rpm. Change it problem gone. Remove fuel filter problem gone...
Most people barely drive their 7s. I daily drove mine for 2 years. 1.5 years of 250kms weekly work trips and I'm telling you I changed the fuel filter more times than I care to remember. Symptom was always the same, fuel starvation at high load high rpm. Change it problem gone. Remove fuel filter problem gone...
What kind of fuel filter are you two running? I know you need to have a SS element for E85.
Did you have your tank cleaned before starting to use E85? This would probably be negligible for as long as you ran it but I'd imagine at first it would cause a lot of problems.
Also what specs are both of your fuel setups? I'm trying to size up what I'll need.
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