Ever said the Fiero was designed for it, the 3500 was. I was a little vague in my posting and I know very little about stuffing the 3500 into a Fiero but the stock the 3500 will handle E85 all day long, nothing in the physical fuel system needs to be changed. PCM wise all that needs to be done is to change the stoich afr from 14.7 to 9.76
If he's running the stock fuel system the only thing that would need to be changed on the Fiero would be any rubber fuel lines and adding the 30% more fuel.
If he's running the stock fuel system the only thing that would need to be changed on the Fiero would be any rubber fuel lines and adding the 30% more fuel.
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