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Discussion Starter #1
My buddy just bought a 98 econoline van with powerstroke and needs a tuner that has option of changing tire size to correct speedometer. Any sugestions? :confused:
 

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Senior Member
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833 Posts
the speedometer can be corrected without a tuner, search "Ford PSOM reprogram" on here and google you'll get the results you need on how to reprogram it.

As for the tuner, look into a chip from any variety of manufacturers and gauges are highly recommended for any power adders.
 

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The one and only
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410 Posts
Only way to reset the speed-O is with AE or a Ford reporgram.

As for a chip I would get one from Matt at Gearhead or Bill at PHP
 
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