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Leadfoot · 10-04-2010, 11:22 PM

It will make the ECU think that the air temp is cooler than it really is which will somewhat advance the engine ignition timing, possibly forcing you to use a higher grade fuel. Definitely not worth it.

10-04-2010, 11:22 PM	#3 (permalink)
Leadfoot EcoModding Lurker Join Date: Sep 2010 Location: USA Posts: 20 White Lightning - '98 Ford Ranger XLT Off Road Thanks: 0 Thanked 0 Times in 0 Posts	It will make the ECU think that the air temp is cooler than it really is which will somewhat advance the engine ignition timing, possibly forcing you to use a higher grade fuel. Definitely not worth it. __________________ 1998 Ford Ranger 4.0L 4x4