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E85 / alcohol carb difference

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#1 wattsrace-1


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Posted 11 March 2018 - 02:04 PM

What is the difference between the E 85 carburetor and a alcohol carburetor ??
Is it possible to just change jets ??


#2 brad hibbard

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Posted 12 March 2018 - 07:27 AM

Ethanol is the base for E85

Methanol is what is commonly referred to as alcohol or ALKY in the racing world.


those 2 fuels are completely different and have completely different component requirements and calibration to operate properly



#3 Retort



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Posted 13 March 2018 - 07:43 PM

The Holley E85 carb has a factory coating to protect the metal.  Carbs are probably the highest $ per horsepower gain ratio in racing.  I'd guess the average weekend racer only gets about 70% out of what any 'race' carb can do. You'd need a special carb guy to keep up with all the variables during a race event.

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