Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - More Tire Width
Thread: More Tire Width
View Single Post
Old 12-02-2012, 08:41 PM   #3
Focus Fanatic
Join Date: Oct 2003
Fan#: 1427
Location: Westminster, CO
What I Drive: 99 miata, 05Mazda6, 09GTI, 12Imprez

Posts: 8,023
FF Reputation: 142 Geezer Excellent Standing Member Geezer Excellent Standing Member
Buy-Sell-Trade Rating: (0)
205/55-15 would be a little closer to the overall diameter you should be looking for. Try to shoot for an overall tire diameter of 24 to 24.5 inches. This will keep your odo and speedo reasonably accurate. The 205/50-15 size due to its smaller diameter, will result in slightly better acceleration as it modifies the final gear ratios. That size will also result in higher RPM's at higher speeds and reduced fuel economy.
Geezer is offline  
    Reply With Quote