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> Dyno'd the Celi, Take a look...
post Sep 24, 2006 - 7:56 PM
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celicagurl152003

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post Sep 27, 2006 - 12:05 PM
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lagos



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QUOTE(phonex98 @ Sep 26, 2006 - 9:10 PM) [snapback]484182[/snapback]

Ok, i knew what lean meant but now im curious... why is too lean, bad. It would seem to me that a lean mixture would allow the gasoline to fully react, and having oxygen in excess, just blowing that out the exhaust? No ?



think of it this way. there is a lot of heat inside a cylinder when its making power. the heat inside can cause detonation. the more fuel you put in there (rich), the better cooling and protecion you get. the less fuel you have (lean), the more you risk detonation.

you can clearly see by looking at the a/f chart that its only a matter of time till that motor goes, based on how lean it is.


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15PSI - 30MPG - Megasquirt Tuned

Posts in this topic
- celicagurl152003   Dyno'd the Celi   Sep 24, 2006 - 7:56 PM
- - block   on a ST? what mods did u have? pretty kool. aren...   Sep 24, 2006 - 7:59 PM
|- - easternpiro1   QUOTE(block @ Sep 24, 2006 - 7:59 PM...   Sep 24, 2006 - 8:01 PM
- - celicaST   QUOTE(block @ Sep 24, 2006 - 6:59 PM...   Sep 24, 2006 - 8:08 PM
- - celicagurl152003   horsepower 105 @5200rpm torque 117 @2800rpm   Sep 24, 2006 - 8:09 PM
- - presure2   im assuming 3&4 are with nitrous? those runs(e...   Sep 24, 2006 - 8:14 PM
- - celicagurl152003   yes runs 3 & 4 are with the Nitrous.....   Sep 24, 2006 - 8:29 PM
|- - Kwanza26   QUOTE(celicagurl152003 @ Sep 25, 2006 - ...   Sep 26, 2006 - 12:11 AM
- - 96c-oneconv   still pretty decent numbers for an st. Keep up the...   Sep 24, 2006 - 8:33 PM
- - Batman722   just so I am sure about this, this is what your en...   Sep 26, 2006 - 12:33 AM
- - Steevo   Altitude corrected or not? And at what altitude?   Sep 26, 2006 - 12:47 AM
- - lagos   based on your dyno sheet, i wouldnt use the nitrou...   Sep 26, 2006 - 1:46 AM
- - JFrost9   this is a dumb question i know, but im just out to...   Sep 26, 2006 - 7:26 PM
|- - Kwanza26   QUOTE(JFrost9 @ Sep 27, 2006 - 12:26...   Sep 26, 2006 - 8:04 PM
- - phonex98   Ok, i knew what lean meant but now im curious... w...   Sep 26, 2006 - 8:10 PM
- - rayneezy23   im guessing that headers dont actually help   Sep 26, 2006 - 11:07 PM
|- - Negative   QUOTE(rayneezy23 @ Sep 27, 2006 - 4...   Sep 27, 2006 - 4:13 PM
- - Steevo   The leaner the mixture the more prone to detonatio...   Sep 26, 2006 - 11:08 PM
- - lagos   QUOTE(phonex98 @ Sep 26, 2006 - 9:10...   Sep 27, 2006 - 12:05 PM
- - Bitter   i wonder how much better a FED/OBD1 7A-FE would dy...   Sep 27, 2006 - 2:51 PM
- - pure_dx   ^why dont u go dyno urs btw: did u hook up the s...   Sep 27, 2006 - 4:01 PM
- - airfron   i'd of expected the 75 shot to do more than th...   Sep 27, 2006 - 4:33 PM
- - playr158   proves why most the time we say not to use n2o its...   Sep 27, 2006 - 5:24 PM
- - Bitter   need a way to switch to a richer map for spraying ...   Sep 27, 2006 - 8:38 PM


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