Date: Fri, 27 Jul 2001 17:43:57 -0700 From: Johannes H Andersen <johannes.andersennopsamel.ac.uk> Subject: Re: Reprogramming ECU for 17" wheels
VIKINGMAN wrote: > > "Johannes H Andersen" <johannes.andersennopsamel.ac.uk> skrev i en meddelelse > news:3B61FBE9.89F7CCB9nopsamel.ac.uk... > > > Yes, this is what you would think. I thought so as well when I > > changed from 195/65/15 to 205/55/16 . But the tire calculator > > actually shows that my speedo now reads 0.4 % to faster than > > before! > > Your correct 15" diameter would've been 195/60-15 - not /65, there's your > reason... > Correct in what sense? The 195/65/15 was the original spec for my car. 0.4% is a pretty good match don't you think. Johannes