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Hey guys, want to get your opinion on mixing tire size front to back on a RWD Volvo. I always like the "muscle car beefier back tire" look so I'm thinking about putting 205/50/16's (24.1" overall diameter x 8.3" section width) on the front and 225/50/16's (24.9" dia x 9.1" sec) on the back. OEM spec for this car is 195/60/15 (24.2" dia). Car is a slightly modded '89 745T (with ABS) currently running 205/55/16's (24.9" dia x 8.3" sec) on 16"x6.5" Volvo alloys. Do you know if this can be done considering the diameter and rotational speed difference between 205/50's and 225/50's with a car with functioning ABS? Or should I run 205/55/16's on the front instead of the 205/50's so they're the same same diameter as the 225/50's? Revolutions per mile (rpm) on the 205/50's is 864 while on the 225/50's or 205/55's it's 837 so the 205/50's are spinning 3.22% faster ... is that enough to make ABS go all squirrelly? The tires are also unidirectional so I'm also taking into consideration the fact that I won't be able to rotate front to back any more. Don't know if I'm screwing myself there, however an all-wheel alignment will be done after sport lowering springs, performance struts & shocks, all new front bushings (with poly where available), ball joints and strut mounts with bearings are installed so everything should be dead nuts and better than new there. Thoughts? Crazy?
(Also posted in Aftermarket.)
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