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      02-10-2019, 01:24 PM   #8380
dogbone
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Drives: '09 E90 M3 - IB
Join Date: Feb 2012
Location: 93 million miles from the Sun

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Quote:
Originally Posted by jktx View Post
Did you ever run the JRZ without the supercharger - if so how wide of a front tire were you able to use? I'm going with the JRZ Pro RS as well & curious how much room there will be. Would be pretty nice being able to stick with NT01's & being able to go up the the next size in 18" - but think that might be too big (305/35/18). Would require an investment in 18x11 so could be flexible in offset - also can run plenty of camber & to hell with the fender liners if need be. I do really like the NT01's so would be pretty cool to be able to run them wider all around.
Supercharger was first. JRZ came later. The JRZ allows MANY more options for width over stock but you gotta get creative so you can raise the spring perch (ie. no helper springs, 5” springs). The ESS supercharger bracket/intake system allows for fatter tires than my VF.

I’m running 305/645/18 Pirelli DH up front. Pirellis do not run wide though. I don’t know anything about 305 NT01. I’ve only seen people run 275.

A couple comparison metrics to confuse you :
-the 285/30/18 R1S is actually sliiiiiightly wider than a 305 Pirelli DH.
-the 285/30/18 R1S is wider than 295 Hoosier A7.
-300 Yoko slick is the fattest tire ever put on my car. Had to roll the rear fender to fit it and no way to put that in front.
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