Subject	and I should note that AFR variance wouldn't be the
Posted by	CaliguyPurdue (Selin Design) on February 03, 2010 at 7:32 PM
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In Reply To	The way I understand it the ECU has a mechanism that posted by d_flore on February 03, 2010 at 06:20 PM
Message	concern for altitude changes. If you were on the ragged edge at sea level, the increased intake air temperature at altitude could cause detonation that wouldn't have been present during the tuning session. Of course your mileage may vary... but thats the general idea. www.selindesign.net
Follow Ups	Question: - blackomega 09:11:49 02/03/10 dyno *tune* (n/m) - blackomega 09:14:34 02/03/10 Are you tuning for performance or bragging rights? (n/m) - NytWolf 10:25:32 02/03/10 performance - blackomega 14:13:35 02/03/10 what did your tuner say when you asked him? - ali300zx 10:33:15 02/03/10 Re: what did your tuner say when you asked him? - blackomega 14:11:20 02/03/10 ....sigh - The Hawk 11:04:09 02/03/10 sigh - blackomega 14:05:20 02/03/10 More like yet ANOTHER bonehead q..... - The Hawk 14:57:35 02/03/10 cute - blackomega 15:26:48 02/03/10 Your just not very bright. - The Hawk 15:47:08 02/03/10 Neither are you. You just sit around and call people out - d_flore 18:21:39 02/03/10 I got my car dyno'd/tuned and I didn't have to... - The Hawk 09:10:09 02/04/10 It doesnt matter your car adjusts for air density (n/m) - d_flore 14:00:33 02/03/10 really? - blackomega 14:12:04 02/03/10 It is. I would tune at the elevation you intend to - CaliguyPurdue (Selin Design) 14:32:52 02/03/10 thank you for the informative answer - blackomega 15:28:20 02/03/10 The way I understand it the ECU has a mechanism that - d_flore 18:20:02 02/03/10 Something like that is not needed to maintain the AFR - CaliguyPurdue (Selin Design) 19:26:43 02/03/10 and I should note that AFR variance wouldn't be the - CaliguyPurdue (Selin Design) 19:32:42 02/03/10 oh interesting, so the MAF actually senses the air density - d_flore 12:33:49 02/04/10 The MAF senses the amount of air - CaliguyPurdue (Selin Design) 13:41:26 02/04/10 Oh interesting. Thank you for the lesson! (n/m) - d_flore 00:18:08 02/05/10
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