AuthorTopic: speedo inacurate  (Read 453 times)

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Offline gt.jacko

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speedo inacurate
« on: April 17, 2007, 22:22:30 »
Hi I have just about finished a total rebuild of my 90 it,s running a 200tdi with a 1:22 ratio transfer box and 265/75x16 bfg muds, anyone any idea what speedo drive gear I might need it appears to be reading too low at the moment.

Cheers
         Gaz

Offline Litch

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speedo inacurate
« Reply #1 on: April 19, 2007, 08:45:11 »
I run a Disco transfer-box & 265/75 X16 BFG AT's with the blue drive-gear on my 90 and my speedo reads as follows:-

Ind 30MPH = 28MPH on GPS
Ind 55 MPH = 53MPH on GPS
Ind 75MPH = 72MPH on GPS.

Also around here we have those illuminated boards which tell you your speed as you drive towards them and they bare out these figures.
ONE LIFE, GET IT!

Offline ken110

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speedo inacurate
« Reply #2 on: April 19, 2007, 09:24:23 »
mine runs the other way. 200TDI with a 1:2 transferbox
30mph = 35 on GPS
50mph = 58 on GPS
65mph = 74 on GPS

before I had GPS i was happily pootling around at 70 thinking i was totaly above board...dread to think ho fast it was actually going when on the odd occasion i actually got 80 (private road) :shock:

 






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