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Re: Grand Vitara ECU re mappable? More bottom end power

Posted: Thu Dec 18, 2014 8:45 am
by dan_2k_uk
Standard tyres are a 60 profile so 27 inch diameter. 70 is 29 inch diameter.

What you have there is a 7% reduction in torque.

I have made similar size changes to Helens GV and as nice as it is on the road and cruising gearing is now better I wouldn't want to tow with it any more.