Compression with e85 - Page 3

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  1. #31
    Senior Member Array bloody-mustang's Avatar
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    Let me try and find the links on yellow bullet and you can read it.

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  3. #32

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    Quote Originally Posted by Turbo98 View Post
    So what is the difference between high RPM's with forced induction vs. n/a? Just trying to understand how a slow burn would affect an n/a engine at high RPM's but not an FI engine.
    Hasn't effected my motor... I'd like to see some scholarly evidence that dictates this. Not saying its not true but I shift WOT at 8k rpms and have had no issues or odd readings when datalogging...

  4. #33

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    So what is the difference between high RPM's with forced induction vs. n/a?
    Less pressure in the combustion chambers on NA motors?

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  6. #34
    Senior Member Array bloody-mustang's Avatar
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    That's one reason but I can't find the article but if you just use google you will see that e85 vs c16 results and e85 always falls off up top vs c16 in high rpm n/a motor

  7. #35
    Senior Member Array bloody-mustang's Avatar
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    Doesn't hurt anything tho just proven

  8. #36
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    I haven't researched this but haven't heard of anything like it before with E85. I'm glad somebody spoke up who has first hand experience and has no issues. If there is an issue with E85 and higher RPM's, I see no difference between a n/a motor and an FI motor with HP/TQ being equal. To me, I would suspect an ignition issue whether n/a or FI because E85 is harder to light.

  9. #37
    Senior Member Array bloody-mustang's Avatar
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    Sorry if I made it sound like it was bad my fault but it just doesn't make power like c16 does high rpm if you want maximum power

  10. #38
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    I did do a little searching and didnt find anything. Would have thought if it was an issue I would have turned up something quickly....

  11. #39

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    Quote Originally Posted by bloody-mustang View Post
    Sorry if I made it sound like it was bad my fault but it just doesn't make power like c16 does high rpm if you want maximum power
    How do you know this? Are you running C16 or E85? Have any testing data to post up?

  12. #40
    Premium Member Array Eric Brooks's Avatar
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    Quote Originally Posted by bloody-mustang View Post
    You'll find that e85 doesn't work very well over 7500rpm it can't burn fast enough so you start to lose power up high in the rpm!
    What are you talking about?

  13. #41

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    What is a good compression for a e85 & 91 octane car? Stock cams?

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