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Old 07-18-2009, 09:47 AM   #1
dga93
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Join Date: Feb 2009
Location: Wise Virginia
Posts: 122
New Problem

When i got my 78 truck i was told they changed the whole drive train.
motor transmission and rear end. and then b4 they sold it they put the original motor and transmission back.
I found out yesterday while following my friend home that my speedo is way off.
We were going 55mph but on my speedo it was showing 65mph.
Is there something i can do to fix this problem? could it be the tires? The wheels are 17 inch with 275/60/17.

Last edited by dga93; 07-18-2009 at 09:49 AM.
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