Re: I have never used ethanol,

Re: I have never used ethanol, - Saab 900 Bulletin Board - Saabnet.com

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Re: I have never used ethanol, Posted by Justin VanAbrahams [Email]

(#32) [Profile/Gallery] (more from Justin VanAbrahams) on Tue, 14 Jul 2009 10:59:19

In Reply to: Re: I have never used ethanol,, oldsaab, Mon, 13 Jul 2009 22:56:29

We are using the entire drivetrain from a 1990 900T - no 2.1l anything, just the ported 1990 head and the stock intake. We've been using one set of tires per race - the last two years we've emerged with two tires with "some" life and two tires that are not safe to continue to run. But, we've never used more than one set per race. We're getting 2-3 races per set of brakes, too, which I find amazing. Our consumables aren't getting consumed.

To answer your question - somewhat - E85 is probably as good or slightly better than race gas. I *believe* that "100 octane race gas" isn't measured with the MON/RON average, so what you've really got is the option of 92/93 octane pump gas or 97/98 octane race gas. E85 is generally 3-4 points higher than pump gas, so roughly equivalent to race gas using the same scale. I don't think E85 could ever be attributed to be 105 octane, at least not using the same averaging scale that American pump gas uses.

If you can tune the thing to run E85 properly, yeah, I'll bet it's quite a bit more economical to run than race gas. In a race application, it's probably easier to tune since you don't really have to worry about a nice idle or emissions - two things that LH 2.x with big injectors wouldn't be good at.

posted by 12.71.42...

Posts in this Thread:

Do cooler operating temps reduce mechanical losses?, mag , Mon, 13 Jul 2009 02:54:45
- Re: Do cooler operating temps reduce mechanical losses?, Ari , Tue, 14 Jul 2009 04:19:15
  - Thanks - that helps me understand. nm, mag , Tue, 14 Jul 2009 14:27:07
- Let's leave the politics aside ..., mag , Mon, 13 Jul 2009 21:41:35
  - Re: Let's leave the politics aside ..., Landjet , Tue, 14 Jul 2009 06:34:40
    - Re: Let's leave the politics aside ..., mag , Tue, 14 Jul 2009 15:44:04
      - My simple data is what I see consumption wise at the pu, Landjet , Tue, 14 Jul 2009 18:47:18
        Re: Thanks for the data point, mag , Tue, 14 Jul 2009 19:46:25
        You must be really gullible +, Landjet , Tue, 14 Jul 2009 22:02:26
        Re: You must be really gullible +, mag , Tue, 14 Jul 2009 23:04:01
        Re: You must be really Pinnocio, Landjet , Wed, 15 Jul 2009 07:57:121
        Your remarks are uncalled for, mag , Wed, 15 Jul 2009 15:07:11
        Re: Your remarks are uncalled for, Landjet , Wed, 15 Jul 2009 21:06:00
        Re: Your remarks are uncalled for, mag , Thu, 16 Jul 2009 02:52:07
        Get a life, Landjet , Thu, 16 Jul 2009 05:59:07
        Re: My remarks are called for, Landjet , Wed, 15 Jul 2009 21:21:04
- Re: Do cooler operating temps reduce mechanical losses?, mag , Mon, 13 Jul 2009 13:48:16
  - I have never used ethanol,, tibbidoh , Mon, 13 Jul 2009 15:46:26
    - Re: I have never used ethanol, mag , Mon, 13 Jul 2009 20:13:08
      - Re: I have never used ethanol, mag , Mon, 13 Jul 2009 20:35:38
    - Re: I have never used ethanol - me either, oldsaab, Mon, 13 Jul 2009 17:09:44
      - Re: I have never used ethanol - me either, Justin VanAbrahams , Mon, 13 Jul 2009 20:20:17
        Re: I have never used ethanol - me either, oldsaab, Mon, 13 Jul 2009 21:30:26
    - Re: I have never used ethanol,, Justin VanAbrahams , Mon, 13 Jul 2009 16:35:33
      - Re: I have never used ethanol,, oldsaab, Mon, 13 Jul 2009 21:52:45
        pump and fan, mag , Mon, 13 Jul 2009 22:30:43
        Re: pump and fan, oldsaab, Mon, 13 Jul 2009 23:03:50
        Re: pump and fan, mag , Mon, 13 Jul 2009 23:39:06
      - Re: I have never used ethanol,, Landjet , Mon, 13 Jul 2009 17:13:50
        Re: I have never used ethanol,, oldsaab, Mon, 13 Jul 2009 21:09:32
        Re: I have never used ethanol,, Landjet , Mon, 13 Jul 2009 21:40:46
        Does anyone have experimental data?, mag , Mon, 13 Jul 2009 22:20:33
        Re: Does anyone have experimental data?, oldsaab, Mon, 13 Jul 2009 23:05:49
        Re: Does anyone have experimental data?, mag , Mon, 13 Jul 2009 23:20:48
        Re: I have never used ethanol,, oldsaab, Mon, 13 Jul 2009 21:48:41
        Re: I have never used ethanol,, Justin VanAbrahams , Mon, 13 Jul 2009 21:26:52
        Re: I have never used ethanol,, oldsaab, Mon, 13 Jul 2009 22:56:29
        Re: I have never used ethanol,, Justin VanAbrahams , Tue, 14 Jul 2009 10:59:19 <-- Viewing This Message
        Re: I have never used ethanol,, oldsaab, Mon, 13 Jul 2009 21:33:37
        Dang, just look at all this technical, tibbidoh , Tue, 14 Jul 2009 06:17:54
- Re: Do cooler operating temps reduce mechanical losses?, tibbidoh , Mon, 13 Jul 2009 07:00:39
- Re: Do cooler operating temps reduce mechanical losses?, Landjet , Mon, 13 Jul 2009 05:18:29

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