SL55/63/65/R230 AMG: 20 inch wheels on sl65
#5
You won't lose any power, it just will produce a higher top end like going to a lower numerical rear end gear ratio. In this case I don't think the loss in stop light to stop light quickness will be noticeable.
#6
Depends on unsprung weight, actually. If the 20" setup is heavier, you'll lose some power.
#7
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2003 sl55
ride
The ride will suffer. I have 20" vossens. the tire sidewall is so short. It makes for a harsh ride. I actually tried to get 19" ones. they won't fit over the front calipers. Good luck. they will look great
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#9
Opinions vary so lets just leave it at that. Thanks for your input though but my concern was only how it would affect the speedometer. With 600+hp power to the ground is not really a concern. I went from 20 to 19 on my TT Porsche and felt no difference.
#10
Speedo is affected by overall diameter only.
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Sl65, SL600 RENNtech, Verde Ithaca LP640, 3 highly modified Panteras, Maserati Biturbo, 300D turtle
Yeah, tire calculator works best for determining size. While at it, maybe consider 20 front 21 rear. Gives it a bit more rake appearance.