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Old 10-14-2015, 03:18 PM   #26
Chigga 744SE
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Originally Posted by AndrewNance View Post
That is a massive wheel and tire. I'm thinking most people run 2x5/45 or even 40 on 17" wheels.
I had 17"s and 18"s before and ran various sizes, so thought that was a good one but it seems its not anymore, what you guys think would be the most ideal set up between look and drive-ability? 17x8.5 et0/17x9 et5 with 215/40/17 and 225/40/17?
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Old 10-14-2015, 03:59 PM   #27
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225/45/17 over here...
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Old 10-14-2015, 07:38 PM   #28
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Originally Posted by Chigga 744SE View Post
I had 17"s and 18"s before and ran various sizes, so thought that was a good one but it seems its not anymore, what you guys think would be the most ideal set up between look and drive-ability? 17x8.5 et0/17x9 et5 with 215/40/17 and 225/40/17?
That's kinda what I like to run. Just one or two sizes down from being square on the wheels but definitely nothing that would be considered stretched. I like 45s on a 17" wheel. The 40s look too short to me but I guess it's whatever you prefer.
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Old 10-14-2015, 10:25 PM   #29
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This depends on how low you want your car
wanna keep it driveable, coilovers and maybe 2 inch drop at most, any wheel suggestions out there? cheap preferrably, would like to fit widest wheel / tire out back, wanna go lq swap turbo, need tires that will grip. so more meat better off i will be lol. thanks everyone for the help.
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Old 10-14-2015, 10:32 PM   #30
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Here is my 940. 275/35/18. Offset not valid as I have an 8.8 that is custom width. I have about a fingers width between the side wall and inner wheel tub

I'm running an 18x9.5 outback and 18x8 up front Rear fenders have been widened one inch to accommodate.

Stock wheel well I fit an 18x8.5 with 255 wide tire and it just tucked with rolled fenders. Another member fit up 265's and had minor rub issues

What if you tubbed it a little? I don't remember the trailing trailing arm clearance


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Old 10-14-2015, 10:58 PM   #31
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Here is my 940. 275/35/18. Offset not valid as I have an 8.8 that is custom width. I have about a fingers width between the side wall and inner wheel tub

I'm running an 18x9.5 outback and 18x8 up front Rear fenders have been widened one inch to accommodate.

Stock wheel well I fit an 18x8.5 with 255 wide tire and it just tucked with rolled fenders. Another member fit up 265's and had minor rub issues

What if you tubbed it a little? I don't remember the trailing trailing arm clearance


first of all your car is a huge inspiration, absolutely sexy! a 255 rear tire on an 18 inch rim would be perfect. i only need to stick with 18 because i plan on doing s60r front and rear brakes. just when it comes to offset my mind is gone lol.
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Old 10-14-2015, 11:01 PM   #32
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first of all your car is a huge inspiration, absolutely sexy! a 255 rear tire on an 18 inch rim would be perfect. i only need to stick with 18 because i plan on doing s60r front and rear brakes. just when it comes to offset my mind is gone lol.
A tape measure and a few numbers is all it takes....heck, cheat and use a calculator
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Old 10-14-2015, 11:09 PM   #33
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I ran an 18x8.5 with like a 42mm offset, but add in the 20mm adapter and we're back to around the stock of 25. That was on the stock 940 axle
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Old 10-15-2015, 10:32 AM   #34
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Holy mother of meat, Batman!
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Old 10-15-2015, 05:06 PM   #35
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Will I be able to run my BMW wheels on my 945, they are 8,5x17 offset 15 but with adaptors they come out at offset +5...
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Old 10-15-2015, 06:02 PM   #36
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If it's a plus 5 and mine were a plus 22, you would stick out 17mm more than I was. So the rim lip would be like flush with the fender lip

Last edited by nathaninwa; 10-15-2015 at 06:44 PM..
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Old 10-15-2015, 06:39 PM   #37
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Will I be able to run my BMW wheels on my 945, they are 8,5x17 offset 15 but with adaptors they come out at offset +5...
Your offset would actually be -5 so 27mm further out. With an 8.5" wheel that's gonna be flush or a little poked I would think.
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Old 10-16-2015, 12:00 PM   #38
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Yeah -5 sorry, well then they're going on the wagon in the spring. How wide adaptors should I run on the rear wheels. Tires will be 225/45-17 all around.
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Old 10-16-2015, 02:10 PM   #39
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For a 225 you'll probably want 19mm adapters. That's about the smallest you can do safely. You'll still need some fender work to make that clear though.
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Old 10-17-2015, 12:27 AM   #40
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The thinnest/smallest adapters I can get my hands on is 20mm thick. But it´s only in the front I have a problem right? On the rear axle there seems to be plenty of room for 30-35mm adapters?
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Old 10-17-2015, 12:29 AM   #41
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But maybe I should change the front tires to 205-45 or 215-40
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Old 10-21-2015, 12:10 AM   #42
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Originally Posted by nathaninwa View Post
Here is my 940. 275/35/18. Offset not valid as I have an 8.8 that is custom width. I have about a fingers width between the side wall and inner wheel tub

I'm running an 18x9.5 outback and 18x8 up front Rear fenders have been widened one inch to accommodate.

Stock wheel well I fit an 18x8.5 with 255 wide tire and it just tucked with rolled fenders. Another member fit up 265's and had minor rub issues

What if you tubbed it a little? I don't remember the trailing trailing arm clearance



Do you have any pics of the rear fender widening process Nathan?
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Old 10-21-2015, 11:50 AM   #43
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I do not. My paint shop did the flare work. I saw a new PC of metal forming the flare after the old one had been cut out. But it was in body filler when I showed up to see progress
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Old 11-05-2015, 03:15 AM   #44
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Glad this thread could be of use to some

I emailed the banded steel company at the weekend about going 9" front and 10" rear with around et10 all round, they've emailed back saying the 9s would work out at et16 and the 10s at et4. I figured the fronts will be fine as I can always come out a touch more with spacers, but will et4 work at the rear with 10"?
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Old 11-05-2015, 12:22 PM   #45
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Hmm, this is somewhat relevant to my interests. I'm looking at 17x8s for my wagon, but I want them to sit on the outboard side exactly where the 17x7.5s sat on my old 740 with an effective offset of et13. Looks like I'd want an effective offset of ~19 with 17x8s.

If DET17's number of ~20mm of clearance (with 17x7.5 effective offset of et18) is true, my setup would have ~7mm less clearance on the inside, which should be fine. Hmm.

I really wish I would have taken some measurements before I sold the 740...
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Old 11-05-2015, 11:23 PM   #46
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I'm using the tried and true 25/32 spacers for 17x7.5 Propus on my 945. It doesn't rub at all in the back with 215/45s. Front rubs the liner. Two coils cut all around.
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Old 11-06-2015, 07:49 PM   #47
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How much room do you have in the front between the rim/tire and the strut assembly? Looks like I have around an inch (25mm) with my perfos right now, 16x6.5 et43, 25mm spacer, 18mm effective offset.
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Old 11-06-2015, 07:55 PM   #48
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I've actually never looked under there and checked. Since these wheels are 7.5" and also effectively et18, I should have ~.5" if you have 1". Maybe a hair less depending on your tire size but I can definitely confirm that a 215/45 will not rub the inside at all, but it will rub the fender liner if the car is lowered.


Last edited by AndrewNance; 11-06-2015 at 08:02 PM..
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Old 11-07-2015, 01:35 PM   #49
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I'm using the tried and true 25/32 spacers for 17x7.5 Propus on my 945. It doesn't rub at all in the back with 215/45s. Front rubs the liner. Two coils cut all around.
My 9 running Propii all around, and 225-45R17 Nittos and the 25 spacers definitely rub out back....but I also have the underdamped Bils HD paired up with the IPD sport springs (so compression damping isn't what it should be). Add to that the fact that all 225 width tires vary in TRUE section width from brand to brand, so sizes must be taken with a grain of salt.

As I told Dustin, when I fit checked my Nittos, oh 3 years ago, I noticed ~ 20mm of clearance inboard in the backs, about the same both sides. Since it has been 3 years, now I'm less sure if that was tire/wheel or just the bare wheel? I took no pics that I can recall, but I was centering the axle with the adj. pan hard at the time. Bottom line.... with my net 18 ET (43 - 25) there was room available inboard. If I were doing it again, I'd find some 20 spacers for the rear when using this width of tire. I suggested to Dustin to "articulate the rear", one side at a time.... put her up on ramps, then pick outboard with your floor jack and LIFT. I would check both sides of his existing setup, and do the math.
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Old 11-07-2015, 05:37 PM   #50
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I've actually never looked under there and checked. Since these wheels are 7.5" and also effectively et18, I should have ~.5" if you have 1". Maybe a hair less depending on your tire size but I can definitely confirm that a 215/45 will not rub the inside at all, but it will rub the fender liner if the car is lowered.

better http://www.rimsntires.com/specspro.jsp
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