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Old 10-16-2010, 02:04 PM   #10 (permalink)
IsaacCarlson
eco....something or other
 
Join Date: Jul 2009
Location: Colfax, WI
Posts: 724

wood hauler - '91 Ford F-250
Team Pontiac
90 day: 26.69 mpg (US)

Rav - '06 Toyota Rav4 Base
90 day: 26.52 mpg (US)
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I set the timing back to 10° today and test drove....I lost a lot of my low-end torque. I used to be able to smoke the tires on the driveway in third from idle....not with 10° timing. It starts quicker, and seems to drive "easier". The computer advanced the timing a LOT more with the base set at 14° than at 10°. The comp advances the timing to ~26° with 14° timing and only 15° with 10°....anybody know why? Shouldn't it be linear? Maybe leave the spout connector plugged in and see what it does when I change it?
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1991 F-250:
4.9L, Mazda 5 speed, 4.10 10.25" rear
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