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What is the main reason for the sluggish feel?
- Thread starter KichoRebel
- Start date
John Kloehr
Active Member
Adjust computer for tire size just to get shifting and the speedometer right. The extra diameter will hurt felt torque a bit (can calculate that), the extra weight is harder to judge but accelerating a heavier wheel and tire combo will hurt felt torque (will feel sluggish).
From the other direction, once purchased a used Mercedes with very light wheels and tires (Mercedes spec but dealer add-on for first owner fitted after manufacture). Did not realize what a difference they made until after it got totaled. The identical replacement car with stock rims and tires was just not as peppy, especially as speeds increased. Both felt about identical off the line, but 25 to 50 mph was a night and day difference. Rotating mass makes a big difference.
From the other direction, once purchased a used Mercedes with very light wheels and tires (Mercedes spec but dealer add-on for first owner fitted after manufacture). Did not realize what a difference they made until after it got totaled. The identical replacement car with stock rims and tires was just not as peppy, especially as speeds increased. Both felt about identical off the line, but 25 to 50 mph was a night and day difference. Rotating mass makes a big difference.
