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View Full Version : 245/45/18? But why?



mazdaspeeding
04-08-2014, 08:35 PM
Got a line on a cheap set of summers to burn off and I'm wondering if anyone's ran this ridiculous size of tire before?

I ran 245/40 DR's on RX-8's with no issues before....but it was a tight fit. Just wondering if I can squeeze some big and tall 245/45/18's in there? I thinking I'll probably need a 5mm spacer all around.

Anyone got pic's of said size mounted?

S.F.W.
04-08-2014, 11:30 PM
I run a 245/40/18 so fairly close.

murdaspeed
04-08-2014, 11:39 PM
255/30/19 here.

JeaneR
04-09-2014, 09:41 AM
I run a 245/40/18 so fairly close.


255/30/19 here.

Are both of you lowered at all? How wide are your rims...camber arms? Fender roll? Just asking because im running a 245 on a 9 inch wheel and about to drop it.

S.F.W.
04-09-2014, 10:46 AM
Are both of you lowered at all? How wide are your rims...camber arms? Fender roll? Just asking because im running a 245 on a 9 inch wheel and about to drop it.

I am lo lowered on Swift Spec-R springs, with Bilstein Shocks to match. Rims are 18*8.5 +42 . No after market camber kit. No fender roll, no rubbing.

mazdaspeeding
04-09-2014, 12:46 PM
Looks like the answer is no. I figured as much but was just hoping against hope. 245/45 would be 110.25mm tall and who knows how much wider at its widest....way too big. Oh well. Anyone got a used set of summers for sale? 235/40 - 245/40?

tanspeed3
04-23-2014, 09:23 AM
guys have ran 255/40/18 on a stock pu wheel (7.5") and have been fine. it would be similar in size to the 245/45

tanspeed3
04-23-2014, 09:24 AM
BAM! http://www.1010tires.com/Tools/Tire-Size-Calculator/215-45R18/245-45R18
Looks like the answer is no. I figured as much but was just hoping against hope. 245/45 would be 110.25mm tall and who knows how much wider at its widest....way too big. Oh well. Anyone got a used set of summers for sale? 235/40 - 245/40?

10speedtree
03-15-2016, 08:54 PM
i am right now running on a 245/45/18 on a stock pu wheel. nitto invo.

McGuyver_3
03-18-2016, 12:18 AM
gen 2 speed
lowered
17x9 IIRC 30ish offset with 255/40R17 all round
wheel wells rolled
ok no rubbing

Hyperion
03-18-2016, 07:46 AM
This was 2 years ago...