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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

swapping in 3:55 gears

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Old Apr 30, 2003 | 11:53 AM
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duster
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Talking swapping in 3:55 gears

Can anyone help me, I am swapping in 3:55 gears into my 91 f150 from 3:08. What do I need to do to ensure the speedometer is fairly close. I believe it is controled by the computer in the ABS rear sensor. Or will the computer correct itself?

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Keith
 
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Old Apr 30, 2003 | 10:28 PM
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Ford Truck Racer
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From: Claremore, Ok 74017
swapping in 3:55 gears

I beleive the speedo gear is in tranny. In that case ask who you have install the gears, or after the gear swap find how much your speedo is off and ford can sell you the right gear.
 
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