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18x8.5 +45 with 235/40/18 tires on a MS6

6.2K views 14 replies 10 participants last post by  dkeys  
#1 ·
Guy on craigslist is selling a set of gramlights with Pilotsport PS2 tires for a decent price ($1650, maybe less). My MS6 is currently lowered on H&R springs. Will this wheel/tire/spring combo work even with a roll? How bout RX-8s (18x8 +50) with these springs? The only thing I don't want to do is have to pull the fenders...
 
#2 ·
QUOTE (knyghtryda @ Dec 18 2008, 04:22 PM) index.php?act=findpost&pid=1492126
My MS6 is currently lowered on H&R springs. Will this wheel/tire/spring combo work even with a roll?[/b]
My summer setup uses Gram Lights 57F 18x8.5" +45mm rims with Kumho Ecsta SPT 235/40R18 tires. I needed to roll the rear fenders to prevent rubbing, but no other modifications were necessary. Pay special attention to the lower/front edges of the rear fenders when rolling (the area closest to the doors). I initially didn't roll that portion (the angle makes it more difficult) and had some contact under heavy acceleration.

The springs shouldn't have any affect on the fender to tire clearance at full compression. The range of motion of the wheel relative to the car is determined by the suspension geometry and not the ride height at rest. Lowering springs will make an existing clearance problem show up more readily at lower load levels, but do not cause fender-tire clearance issues.
 
#4 ·
shouldn't be necessary to do anything to the fronts though right? They don't look like they have much more room to roll.
 
#5 ·
post mad picts of this shit when u get it done. poser.... haha jk jk
 
#6 ·
QUOTE (knyghtryda @ Dec 19 2008, 02:23 AM) index.php?act=findpost&pid=1492412
shouldn't be necessary to do anything to the fronts though right? They don't look like they have much more room to roll.[/b]
The front fenders are essentially rolled from the factory. I've never heard of anyone needing to modify the fronts unless they were using some crazy wide or low offset setup that required cutting or pulling the fender metal.
 
#7 ·
I will be running a set of gram lights 18x8.5 +45 for the first time this summer and I was thinking of going with this same tire width... I am still at stock height though.
 
#8 ·
running the gramlights @ 18x8.5 +45mm with 245/40s here .... rolled the rears, as was mentioned before just make sure to pay attention to the lower, frontward section of the fender near the sideskirt molding - get it good!
 
#9 ·
My fronts rubbed with a 225/45-18 tires, but my offset is 40 and wheels are 18x8. I did however rolled as much as I can and also I had to raise my car up another inch just to clear it. The rears are the tricky one, especially the right rear. For some reason the leading edge right after the door, theres that lip there and for some strange reason it would roll up, meaning outwards. So what I did is I hammered the shit out of it to fully roll inwards. I used a plasitc tipped hammer or even a rubber mallet.
 
#11 ·
I'm gonna' get flamed for this....oh well. :laugh:

I have the same offset and was chewing up the outside edge of the 215/45R18 Potenzas.

I used a baseball bat. :wacko: :nana:

Initially I tried to do it with the tire on. Insert bat, use tire as fulcrum, roll...etc... To get them clear I ended up taking off the wheel and using a big freaking mallet and the bat. Strike. Roll. Repeat. {make certain that your car is secure on the jackstands and have a backup support system just in case}

I covered the whole thing in rubberized undercoating when I was finished. It should be fairly rockchip and rust resistant.
 
#12 ·
QUOTE (rickytickytoc @ Jan 2 2009, 11:09 AM) index.php?act=findpost&pid=1498084
Now see, my question is this, where would I get the tool to roll my fenders, if the case is that my back tires are rubbing? Any links? Any anything!? Help me![/b]
Here are some links where you can purchase the tool:
http://www.tirerack.com/accessories/detail.jsp?ID=52
http://www.eastwoodco.com/jump.jsp?itemID=...temType=PRODUCT

Unfortunately, it is rather expensive, but it is a very nice piece of equipment. Sometimes you can find a better price for similar items on eBay (got mine for around $190).

If purchasing isn't for you, there is also a rental option here: http://www.rollyourfender.com/
Some members here also rent out the tool for a similar price.

The baseball bat method works for some people, but I imagine getting a smooth bend would be very difficult. I'm too afraid I would mess up with that method and am glad I invested in the rolling tool.
 
#13 ·
You know, I can't say enough great things about those rims. I am trying the same tire size on them with megans, so far not so good. I have a lot of rubbing with a mild roll in the rears. I'll repost after the fenders are re-rolled. As far as the price goes, get em! You could always sell the 245's to a Subie guy and buy some 235's and still have a sweet set of rims.
 
#14 ·
QUOTE (DK's MS6 @ Jan 6 2009, 11:59 AM) index.php?act=findpost&pid=1500083
You know, I can't say enough great things about those rims. I am trying the same tire size on them with megans, so far not so good. I have a lot of rubbing with a mild roll in the rears. I'll repost after the fenders are re-rolled. As far as the price goes, get em! You could always sell the 245's to a Subie guy and buy some 235's and still have a sweet set of rims.[/b]
LOL, those rims sold pretty soon after I made the original post. I ended up going with a set of RX-8 rims + some 225 tires. Probably could have gone 235 without a roll, but went 225 to be safe and everything fits just fine.