Page 2 of 2 FirstFirst 12
Results 11 to 12 of 12

Thread: Ethanol 15% coming in June

  1. #11
    A friend switched to ethanol in his 502c.i. Jaguar XJS. He does 1/2 mile top speed contests. Bigger jets necessary (for alcohol) BUT a substantial increase in horsepower.
    I'm no fan of ethanol but fortunately I don't have to buy it in our area as we still have choices.

    Corn lobby is in the drivers seat.
    "Be who you are and say what you feel because those who mind don't matter and those who matter don't mind." - Dr. Seuss

    Early S Registry #235
    rgruppe #111

  2. #12
    Serial old car rescuer Arne's Avatar
    Join Date
    Aug 2011
    Eugene, OR
    The generally available E10 has worked fine in my '84 Carrera. The fuel system is nice and clean now, so no clogging or other issues, and the Motronic system can compensate for the difference in the A/F ratio easily. Mileage is a bit less, due to fewer BTUs per gallon. But not enough less to make paying lots more for clear fuel worthwhile since it is working fine.

    (Side topic - why should clear fuel be more? Same fuel, but without the extra work and cost to add ethanol. No reason we should have to pay significantly more for fewer manufacturing steps and fewer ingredients.)

    I'm a bit more concerned with E10 (or E15, should it come to that) in the 2.4 MFI in the '72 T I have recently bought. MFI will not adjust the mixture to compensate for the BTU differences. Certainly don't need more octane or detonation resistance with a 7.5:1 comp ratio. But since all the clear gas around here is 92 octane, I suspect that's what I'll use. Unless someone can assure me that E10 won't run too lean in an MFI car.
    - Arne

    In Progress
    - 1972 911T coupe, born (and someday will be again) Silver
    Sold - 1984 911 Carrera coupe, Chiffon white; 1973 914 2.0, Saturn Yellow; 1984 944, Silver Metallic

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts

Message Board Disclaimer
This is a public forum. Messages posted here can be viewed by the public. The Early 911S Registry is not responsible for messages posted in its online forums, and any message will express the views of the author and not the Early 911S Registry. Use of online forums shall constitute the agreement of the user not to post anything of religious or political content, false and defamatory, inaccurate, abusive, vulgar, hateful, harassing, obscene, profane, sexually oriented, threatening, invasive of a person's privacy, or otherwise to violate the law and the further agreement of the user to be solely responsible for and hold the Early 911S Registry harmless in the event of any claim based on their message. Any viewer who finds a message objectionable should contact us immediately by email. The Early 911S Registry has the ability to remove objectionable messages and we will make every effort to do so, within a reasonable time frame, if we determine that removal is necessary.