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Re: Hallas Performance?
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Diesel Power Magazine 11/07</div><div class="ubbcode-body"> A confused manifold absolute temperate (MAT)sensor in the '99 Ford Power Stroke built by Mike Hallas began misreading the intake temperature and sent the truck into a fault mode... the engine computer started thinking the ambient air temperature was 168 degrees F, which caused it to retard the timing and limit boost to just 42psi (instead of the 90psi that was expected)</div></div>
apparently he didn't get it straight til the sled pulls - which he won. so 5xx whp @ 42psi doesn't seem so terrible.
that was mad dog's dyno, but i still recall reading something about the altitude or whatever becoming an issure.
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2002 F250
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