speedo compensation

jailbird · Post by **jailbird** » Sat May 27, 2006 7:55 pm

Hi Guys,
A beautiful weekend so far here in NE Ohio!
I just brought the new (to me) McLaren home and have a question.
The wheels have been replaced with 17's and the rear end with a 3:73.
Anyone know how to correct the speedo?
It seems to be about 10 mph fast.

Thanks in advance,
Tom Hathaway

jailbird · Post by **jailbird** » Sat May 27, 2006 7:56 pm

Oh, I forgot, the cluster has been replaced with a GT 140mph unit.

Thanks,
TH

svo413 · Post by **svo413** » Sun May 28, 2006 4:45 pm

You will need to replace the gear at the end of the cable at the transmission. This month's Mustang Monthly (June) has it covered. You probably need to go up 1 tooth size.

jailbird · Post by **jailbird** » Sun May 28, 2006 7:03 pm

Thanks for the tip.
I'll get the mag.

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