Quote:
Originally Posted by Vivek.
I may be biased since my ST car has Motiv Flex Fuel but I think it's definitely worth it--it is the 'do it once, do it right' way to go E85, IMO. Can't imagine having to estimate mixtures (this is hard because E85 is NOT spec'd as 85% ethanol, US spec is 51% to 83%), trying to run the tank as low as possible to get it all out, etc etc etc.
One thing to keep in mind is that E85 is unavoidably hard on certain seals, like the o-ring around the in-tank fuel pump under the driver's side of the back seat. Regular use will necessitate replacement every 2 years or so
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I would be running at most e60 mix. I believe that's what I read. Fuel system wont keep up past that. Read stock at best e30ish but some have been able to get away with e50. I would not being running this every tank, and I don't drive the car all that much.
I'd like to hear from guys who run it just by calculating the mix. The motive way sounds best, agreed.