Re: EFI, Alpha-N vs Speed Density fueling Strategies
I have found the Alpha N makes the car more consistent. The MAP sensor senses barometric pressure when the key is on and the engine is not running and makes adjustments to the fuel map accordingly, also at WOT there really isn't a difference between Alpha N and Speed Density unless you ave a really restrictive throttle body.
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NHRA Stock/Super Stock 1078
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