92 240sx se speedo off by 17mph's at 60mph???

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Posts: 57
Joined: Sat May 28, 2005 5:57 am
Car: 92 240sx se
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like i said stock car/wheels/tires new trans installed 8000 miles ago, dont have any history because i just bought the car.. needle does not bounce at all. rests right at zero..needle does not jump or move sparatically it just seems to be reading faster than im actually going..... so i had my buddy pace me in a car that is also stock.. he said 60 and mine said 77?? any thaughts are greatly thanked


s13sr20chris
Posts: 4148
Joined: Tue Jun 10, 2003 9:32 am
Car: '89 Nissan S13 w/redtop running 13psi and not leaking fuel anymore
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wrong rearend is one possibility or wrong transmission. it may be a transmission from a truck.


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