Subject	The way I understand it the ECU has a mechanism that
Posted by	d_flore on February 03, 2010 at 6:20 PM
	This message has been viewed 54 times.
In Reply To	It is. I would tune at the elevation you intend to posted by CaliguyPurdue (Selin Design) on February 03, 2010 at 02:32 PM
Message	detects your altitude. Otherwise cars would change AFR wherever they were. People would have a hard time driving up and down 1000's of feet through the mountains and getting a 14.7 AFR if this was not present. I may be wrong though so don't quote me on it.
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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