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Running e85 on stock car

Niz55

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My car is back to stock down to the filter. I still have half tank of e85 left. Would be safe to run it until I fill it with pump?
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On stock tune? Nope
 
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Niz55

Niz55

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Yep stock tune. I guess I have to empty it some how and fill it with pump.
 

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Niz55

Niz55

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Tried jumping the relay with a hose attached to fuel line but no luck. Starts and shuts off.

I tried cranking it 3-4 times and it gives me "crank exceeded" warning. Going to buy a pump tommorow and suck it from the tank
 

Ramen

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Fill it the rest of the way up with regular gas and drive off the E85.

Keep filling it up to dilute the rest if you'd prefer.
 

GTBOB

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Fill it the rest of the way up with regular gas and drive off the E85.

Keep filling it up to dilute the rest if you'd prefer.
What he said. You will be fine. The car will compensate enough that you will not have any ill effects. Just avoid prolong WOT situations.

Which brings up a good point...When buying a used Mustang, can have the dealer scan the ecu and look at the key-on cycles This would tell you real quick if it had a tune in its life. "umm yeah, it has 22k miles and the ignition has only been cycled 5 times" lol:lol: Remainder of factory warranty=gone:)
 

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Just drive it out like the other guys said. Our cars run in closed loop all the time, so the ECM will correct the fueling by adjusting the fuel trims.
 
 








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