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Originally Posted by steve99
NA car unlikely on any fuel to go bang. also far less likely to be an issue on E85 due its much higher octane rating and knock resistance. Leanout manily issue with boosted cars and fuel pressure safety is good idea
As previous ive run E85 full time for 8 years stock fuel system no issues no additives added to fuel.
ive tuned countless cars to E85 only, our country we have guaranteed 85% ethanol at pump never varies , maybe out E85 better quality.
Many tuners here tune E85 full time no flex many track cars as well , due to the availability of consistent pump E85 that always 85% lots of boosted cars as well.
the only issues ive seen is people adding additives to E85 which i suspect were for petrol and it caused clogged fuel filters with a jelly like substance.
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steve99 are you aware of anyone having issues with the HPFP on a diet of E85? I've seen a lot of talk over at NASIOC around HPFP failure on higher ethanol blends for the FA20DIT WRX. Would be keen to hear if you have a theory on why it's been so prevalent for them (fuel quality as you mentioned, additional demands on the pump in the context for the DIT)?