Toyo R888R 305/35/20
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Member
Joined: Dec 2014
Posts: 218
Likes: 72
From: New York, NY
2018 E63S AMG
Toyo R888R 305/35/20
Hello everyone I need your help. My E63S is currently running BC Forged 20" Monoblocks 20X9.5 front and 20x10.5 in rear.
Current tires are Michelin Pilot Sport All Season 265/35/20 and 295/30/20
Unfortunately I dont know the offset of the wheels so this may be a tough ask.
I would like to run Michelin Pilot Sport 4S 265/40/20 in front AND 305/35/20 R888r in back.
Has anyone fitted this size before on even their stock wheels?
Current tires are Michelin Pilot Sport All Season 265/35/20 and 295/30/20
Unfortunately I dont know the offset of the wheels so this may be a tough ask.
I would like to run Michelin Pilot Sport 4S 265/40/20 in front AND 305/35/20 R888r in back.
Has anyone fitted this size before on even their stock wheels?
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Joined: Jul 2013
Posts: 2,591
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From: Toronto, Ont, Canda
go fast grocery getter wagon
305/35/20 will fit rim width 10 - 12 inches .
20” stock rim width is 10 inches… so technically, you are ok .
but if you run 305/30/20, then it required rim width is 10.5 - 11.5 inches. So, your bc forged wheel is also ok.
as for your proposal of new setup, your speedo will read 4% lower for front; 5% lower for rear. Tire shops will likely suggest this is not ideal way to go. Not sure if this variance will cause any calibration issue with factory setup for the longer term. For me, i would not go beyond 3% variance… just my 2 cents. I see your proposal tires are track tires, I suppose you are not using that in your daily drive then
as for the unknown offsets, since you are already using these wheels, I believe there is no clearance issue, unless you tell us so
20” stock rim width is 10 inches… so technically, you are ok .
but if you run 305/30/20, then it required rim width is 10.5 - 11.5 inches. So, your bc forged wheel is also ok.
as for your proposal of new setup, your speedo will read 4% lower for front; 5% lower for rear. Tire shops will likely suggest this is not ideal way to go. Not sure if this variance will cause any calibration issue with factory setup for the longer term. For me, i would not go beyond 3% variance… just my 2 cents. I see your proposal tires are track tires, I suppose you are not using that in your daily drive then
as for the unknown offsets, since you are already using these wheels, I believe there is no clearance issue, unless you tell us so
Last edited by bobblehead; Jun 24, 2023 at 09:52 PM.
Member
Joined: Jan 2021
Posts: 117
Likes: 69
car
A few years ago I installed Toyo 888r on my GT2 and it was a big mistake. The tire is horrible in anything other than perfect dry and warm to hot weather. It wears extremely fast, but the rubber turns into black (rubber) powder all over the car. Finally, it is almost as bad as Trofeo R as in they pick up every pee gravel on the road. For me, I will never touch 888R again, probably same for Toyo.
Thread Starter
Member
Joined: Dec 2014
Posts: 218
Likes: 72
From: New York, NY
2018 E63S AMG
my car does around 900 wheel horsepower and we do private drag events with our car club.
it is for traction, I never complained about it being bad street tires, simply asked about fitment.
I will just post my results here for those who care to run these possibly on their car.
Thanks guys.
it is for traction, I never complained about it being bad street tires, simply asked about fitment.
I will just post my results here for those who care to run these possibly on their car.
Thanks guys.
MBWorld Fanatic!
Joined: Oct 2018
Posts: 1,430
Likes: 820
From: Florida
2018 AMG E43
my car does around 900 wheel horsepower and we do private drag events with our car club.
it is for traction, I never complained about it being bad street tires, simply asked about fitment.
I will just post my results here for those who care to run these possibly on their car.
Thanks guys.
it is for traction, I never complained about it being bad street tires, simply asked about fitment.
I will just post my results here for those who care to run these possibly on their car.
Thanks guys.
Best of luck dude!
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MBWorld Fanatic!
Joined: Mar 2011
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From: Canada
2023 E63S Wagon
Did the 305/35 help and how did your like the taller tires?
I did the 305/35 on stock rims and moved to a 285/35 front to keep the dia the same. Your 265/40 is an interesting move I did not consider to do the same.
I did the 305/35 on stock rims and moved to a 285/35 front to keep the dia the same. Your 265/40 is an interesting move I did not consider to do the same.
