Date: Mon, 23 Jul 2001 20:03:57 GMT From: "Davo" <whatevernopsamever.net> Subject: Re: Reprogramming ECU for 17" wheels
> The overall diameter of the tires does not change, so reprogramming is > not necessary.....this is assuming you install the correct aspect > ratio tires for the larger wheels. > > > John Davies > Monroe WA USA Thanks, I've been told the diameter going from 205/50/16 to 215/45/17 increases by 14mm (about half an inch). The 215 tyres are needed as the17" Aero rims are 7" wide, compared to the present 6 1/2" rims. I think the speedo will under read by about 3kmp/h (1-2mp/h) at 100kp/h (60mp/h) ?? Anyway, do you think the ECU can be easily programmed? Davo