David I ran mine that way for many years & many many miles & it seemed to love it. On those occasions when I would head for somewhere closer to SeaLevel I would set it back to normal. I had marks scribed into the Dist'Base so, for example, every year when I would go to Ill' & Minn' to visit Family, somewhere in Kansas I would adjust for LowAlt' & then on my way back I'd do the reset for 5K'. It makes a Very Noticeable Difference. ORR ~ DeanB
On 12 Jan , 2012, at 8:36 AM, David Hardy wrote: >> You actually answered your own ? before you asked it. In a >> ComputerControlled FuelInjected N'A' vehicle (especially if it is >> OBD2) the lack of AirDensity @ Altitude is compensated for by >> lowering >> the amount of gas' that is injected into the IntakeManifold so as to >> attempt to maintain a StoichiometricFuelRatio. > > So I have a question: Do we dwellers-at-altitude still need to advance > the ignition timing of our wasserboxers with the "1 degree per 1000ft > above 4000ft" rule? The 02 sensor can compensate for less oxygen, but > does it adjust timing? Google doesn't seem to have a definitive > answer. > > David |
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