245s on R56
#3
#4
NM RSe12
18x7.5" et45
Compared to OEM 18x7" et52 the new wheel is 0.6mm further away from the inner suspension and pokes out 13.4mm more which is fine, no need for spacers.
245/35-18 fits rims 8-9.5" wide, perfect for 8.5" wide rim, tire diam. 24.8"
Michelin makes several possible Max Summer tires in this size, Pilot Super Sport being one of the best street tires. Prices may be discounted at tire rack currently
245/35-18 will fit on a narrow 18x7.5" rim but it's not ideal, it will looked pinched, tire is too wide and sides will be over the width of the rim. For performance driving you won't be able to use the wider tire size as well and tread wear may be greater when turning
If you are only street driving then a Max Summer tire is a good choice however if you want even more traction for warm climates and you don't mind faster tread wear in trade for better performance then consider Extreme Summer tires like-
Bridgestone RE71R
215/40-18 $164.25 each in stock on special at tirerack now. fits 7-8.5" rim, perfect for 7.5" wide rim, tire diam. 24.8", XL load rated.
Extreme summer tires tend to ride firmly and are noisy, slightly less grip in wet weather than the Pilot Super Sport but still OK.
215/40-18 is a good size for 7.5" wide rims but most tires are Ultra High Performance All Season tires which work for street use and some cold weather. Performance is not as good as Max Summer tires but they do last longer.
#5
Minihune is offering wise advice IMHO.
Cheers,
Charlie
#6
Understood, and thanks for the advice, particularly about exceeding the rim.
I need to have a bit more tire on the ground than currently. Perhaps 235/40r18 is a better bet. They’d appear to have the same size sidewall as my current 215/45r17s... I’d gain about 10mm in height and lose about 10mm of gap. 225/40r18 is also an option.
I need to have a bit more tire on the ground than currently. Perhaps 235/40r18 is a better bet. They’d appear to have the same size sidewall as my current 215/45r17s... I’d gain about 10mm in height and lose about 10mm of gap. 225/40r18 is also an option.
#7
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#12
The pictures
Ok ... here are some pictures of Buzz with the new shoes.
I still need to come up about 1/4 to 1/2 inch in the front I think, but I kinda like the rake of it.
Pretty wide, but tucked in nicely.
A little higher in the back due to stock springs here.
On NM Alpha springs in the front ... need to come up just a little
Overall, not bad!
I still need to come up about 1/4 to 1/2 inch in the front I think, but I kinda like the rake of it.
Pretty wide, but tucked in nicely.
A little higher in the back due to stock springs here.
On NM Alpha springs in the front ... need to come up just a little
Overall, not bad!
#14
I'm bringing this back to not start a new thread.
My project car has 17x8 et35, if I'm doing the math right a 245 should work with this offset??
Hoping to use it for autox if it clears.
EDIT- I'm reading there will be rubbing issues on the fenders...might have to go 225 for my sanity and save some weight too.
My project car has 17x8 et35, if I'm doing the math right a 245 should work with this offset??
Hoping to use it for autox if it clears.
EDIT- I'm reading there will be rubbing issues on the fenders...might have to go 225 for my sanity and save some weight too.
Last edited by zrickety; 05-05-2020 at 07:45 AM.
#17
I'm bringing this back to not start a new thread.
My project car has 17x8 et35, if I'm doing the math right a 245 should work with this offset??
Hoping to use it for autox if it clears.
EDIT- I'm reading there will be rubbing issues on the fenders...might have to go 225 for my sanity and save some weight too.
My project car has 17x8 et35, if I'm doing the math right a 245 should work with this offset??
Hoping to use it for autox if it clears.
EDIT- I'm reading there will be rubbing issues on the fenders...might have to go 225 for my sanity and save some weight too.
Example
Toyo Proxes R1r
245/35-17 fits wheels 8-9.5" wide, perfect for 8.5" wide rim, tire diam 23.8" which is tall so not good with lowered suspension but will fit OEM suspension.
Alternatively
235/40-17 fits wheels 8-9.5" wide, perfect for 8.5" wide rim, tire diam 24.4"
235/40-17 gives good tire selection for Extreme Summer or race tires
or
245/4017 is OK size but slightly taller tire diam. of 24.7"
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BackcountrySkier13_inAZ
Tires, Wheels, & Brakes
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02-26-2015 05:19 PM