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What is the stock rim weight for the CLK55? Does 27lbs front and 29lbs rear sound about right?
Are these the correct stock wheel number's?
Front 18x7.5 ET37 225/40/18
Rear 18x8.5 ET30 255/35/18
How important is it to look at light weight wheels in terms of performance? I know it can help with traction, handling, acceleration, braking, basically everything but is there actually a noticeable difference?
There is not a lot of choice for light weight wheels here. I am looking at 18" TSW Nurburgring or some SL63 replica's, both staggered 8.5 and 9.5". The TSW's are 19 and 21lbs, the replica's are a cosmetic choice, they are no heavier than stock but also not much lighter (24 and 26lbs). I think 18" would be best, even though that is the stock wheel size, I think 19" looks a little too large in some of the photos I have seen.
TSW
Front 18x8.5 ET 32
Rear 18x9.5 ET 40 - according to the calculator this will be 22mm closer to the suspension, would a spacer be required?
Replica - both are ET35 but apparently will require a spacer to clear the front brakes.
sounds about right -- problem is the car with OEM wheels already has problems with wheel spin, I would assume lighter wheels would make it worst -- I was gonna go with the TSW Nurburgring or the Mandrus Millennium ... what are you doing with the OEM wheels?
sounds about right -- problem is the car with OEM wheels already has problems with wheel spin, I would assume lighter wheels would make it worst -- I was gonna go with the TSW Nurburgring or the Mandrus Millennium ... what are you doing with the OEM wheels?
Yeah that is true regarding the wheel spin- lighter wheels won't waste as much torque as heavier wheels for rotational acceleration. But this has the effect of putting more of the available engine power/torque to the ground, just the same as headers or an ecu tune. Also better fuel economy, handling, braking everything.
I googled whether lighter wheels are worth it and pretty much every forum, VW, BMW, Audi, toyota, 350z people all say it definitely is so it looks like I will get the TSW's. The only thing is they are universal not hubcentric so hopefully they can get an aluminum locator ring to make them hubcentric. I am not looking forward to cleaning them though, the stock amg wheels take long enough.
I will see how much clearance there is after installing the KW V1's.
07-21-2014, 12:58 AM
