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-   -   Will this fit? (width, offset and tire size Qs) (https://www.ft86club.com/forums/showthread.php?t=15007)

DarrenDriven 08-19-2012 04:12 AM

Will this fit? (width, offset and tire size Qs)
 
OK guys, I have been getting a LOT of PMs from people asking if certain combinations will fit. I just assemble this information from all of the other topics on this site, so this topic is going to be only for asking if a certain wheel dimension/offset or tire size should fit and the experts can help answer.

Start at the Wheel Directory and read up on what other people have already done:
http://www.ft86club.com/forums/showthread.php?t=7535

Make sure that you post ALL of the pertinent information in your question so that the answer can be posted without a lot of back and forth. Please specify the wheel size, width, offset, complete tire size and the amount your car is lowered.

DarrenDriven 08-19-2012 04:12 AM

This gets it started...

Quote:

Originally Posted by jinrawke
I'd like to thank you for all your work gathering wheel information and have a quick question just to verify my math / logic is correct. So lets say I'm looking at 18x8 wheels at +32 offset. I see for the rear wheel, you have a silver star for the rear so I assume that +32 will come very close to flush which is a good thing. As far as the front I see you have a smiley face at +35.

So at stock height, that would mean the fronts would be sticking out by 3 mm?

You also mention that we would need to adjust the offsets when lowering the car.
Front - lowered 36mm (1.417 inch)
Rear - lowered 32mm (1.259 inch)

so conservatively I would need to be over +37 for the front and +38 for the rear?

Thanks for any help!


JoeBoxer 08-19-2012 04:24 AM

I'm here to help also guys better to ask than end up with less than ideal fitment.

DarrenDriven 08-19-2012 04:25 AM

@jinrawke - An 18x8.0 +32 will be 6mm sunken at stock height since a +38 is flush. If the car is lowered 1" then the camber will cause the top of the wheel to sink another 2mm, so you would end up 8mm sunk at the top of the wheel. Not too bad... that is about 5/16" sunken and would look fine.

At the rear at stock height an 18x8 +32 will be flush. If you plan to lower your car 1" then you will sink the tops of the wheels 5mm... which would still look totally fine.

A smiley face is a link to a topic where someone on the site has actually installed that wheel spec... and a star represents perfect flush AT STOCK HEIGHT.

helloimgil 08-19-2012 06:39 AM

Thanks!!

JoeBoxer 08-19-2012 07:53 PM

Quote:

Originally Posted by DarrenDriven (Post 388637)
@jinrawke - An 18x8.0 +32 will be 6mm sunken at stock height since a +38 is flush. If the car is lowered 1" then the camber will cause the top of the wheel to sink another 2mm, so you would end up 8mm sunk at the top of the wheel. Not too bad... that is about 5/16" sunken and would look fine.

At the rear at stock height an 18x8 +32 will be flush. If you plan to lower your car 1" then you will sink the tops of the wheels 5mm... which would still look totally fine.

A smiley face is a link to a topic where someone on the site has actually installed that wheel spec... and a star represents perfect flush AT STOCK HEIGHT.

+32 would be 6mm poke if +38 is flush, not 6mm sunken.

lucchesi423 08-19-2012 08:23 PM

Quote:

Originally Posted by JoeBoxer (Post 389503)
+32 would be 6mm poke if +38 is flush, not 6mm sunken.

this ^

JoeBoxer 08-19-2012 10:05 PM

You might be getting too technical trying to add the camber in too as most people on spring drops won't be able to adjust it anyways. My best tool is the offset calculator on 1010tires.com I think it gives the best idea we can get without actually test fitting.

lucchesi423 08-19-2012 10:12 PM

Quote:

Originally Posted by JoeBoxer (Post 389685)
You might be getting too technical trying to add the camber in too as most people on spring drops won't be able to adjust it anyways. My best tool is the offset calculator on 1010tires.com I think it gives the best idea we can get without actually test fitting.


agreed, my head hurts after that one lol

lucchesi423 08-19-2012 10:23 PM

although i do think adding the camber into the equation will help people out down the road when it comes to more technical fitment.

Suffa 08-19-2012 10:35 PM

Awesome thread, i always wanted to ask about my choice but didnt want to start yet another thread.

Ive been looking at some enkei SR6 & EV5 and they have 2 choices of offset. Ill be dropping on springs 1" when i get the wheels and using the stock rubber. What is the best offset choice?

SR6 = 17x7.5 offset available (40,50)
EV5 = 17x7 offset available (38,45)

JoeBoxer 08-19-2012 10:40 PM

lower number on either one. 7.5 +40 would be my choice out of those.

helloimgil 08-20-2012 05:47 PM

Here are a few shots when we test fitted 18x8 +32 yesterday. I will add more shots when I get tires and then more when the RSR iShocks come in.
http://photobucket.com/brztestfit

thelegaCy 08-21-2012 10:32 AM

Hey guys would 18x9.5 +34 fit all around? What size tires would be good? I'm trying not to go for too much stretch as the roads around me are bad and i would rash the crap out of these if I stretched them too much. I was thinking 18x9.5 +34 on 235.. would I need coilovers or would a mild drop (1 inch) with a rear camber kit be enough to fit these.. sorry for the detailed question lol

APS86 08-21-2012 10:34 PM

Hi ya,
Thanks for starting such an awesome thread ..... have been trying to work this out for some time now.

Plan is TRD coilovers leaving at the standard 15mm drop then on the front 18x7.5 +38 and rear 18x8.5 +30 wrapped in 235x35 tyres (I think as that gives only a slight speedo difference) - will this fit and be flush?????

huge thanks

JoeBoxer 08-21-2012 11:14 PM

Quote:

Originally Posted by APS86 (Post 394294)
Hi ya,
Thanks for starting such an awesome thread ..... have been trying to work this out for some time now.

Plan is TRD coilovers leaving at the standard 15mm drop then on the front 18x7.5 +38 and rear 18x8.5 +30 wrapped in 235x35 tyres (I think as that gives only a slight speedo difference) - will this fit and be flush?????

huge thanks

Rear would be pretty flush, fronts might could use a spacer of about 8-10mm.

APS86 08-21-2012 11:29 PM

Awesome - thanks so much for that information

ill86 08-21-2012 11:56 PM

Quote:

Originally Posted by JoeBoxer (Post 389503)
+32 would be 6mm poke if +38 is flush, not 6mm sunken.

Need to address this typo first. +32 is indeed 6mm further OUT from +38.

F1point4 08-23-2012 12:16 PM

If the goal is flushness, is stretching tires on a wheel required? I thought the fenders come pre-rolled.

The question stems from observation and this thread http://www.ft86club.com/forums/showthread.php?t=15323

JoeBoxer 08-23-2012 12:23 PM

Quote:

Originally Posted by F1point4 (Post 397746)
If the goal is flushness, is stretching tires on a wheel required? I thought the fenders come pre-rolled.

The question stems from observation and this thread http://www.ft86club.com/forums/showthread.php?t=15323

Depends on how low you want to go I think, you can run stock height or 1" drop without stretched but if you want to go lower or run lower offset/wider wheels you will need to stretch.

F1point4 08-23-2012 12:28 PM

Quote:

Originally Posted by JoeBoxer (Post 397760)
Depends on how low you want to go I think, you can run stock height or 1" drop without stretched but if you want to go lower or run lower offset/wider wheels you will need to stretch.

Oh yes, I forgot to mention stock height. Although it will look off, I'm not ready to mess with the suspension geometry yet. Thanks for the info.

JoeBoxer 08-23-2012 12:36 PM

Are you looking at those same wheels or something else?

Thobjo 08-23-2012 01:04 PM

Would 16"x6.5" ET53 or 55 offset work for winter tires?
Rather not spend money on winter wheels at all but need to be able to move the car in and out of garage even in snow.

These are the original 2002 Impreza and Impreza WRX wheels.

DC-FRS 08-23-2012 04:38 PM

Im looking to get the Work Emotion Kiwami deep concave all the way around. The only size they make them in is 18x9.5 with a +30 offset. Would this work with stock height? I dont want to rub or anything like that, obviously. Also would I need different tires for them? What would be the best tire size for them? Also, what kind of poke/sink look would I be getting with these? Thanks for any questions answered. I appreciate it a lot!

digital_assassin 08-24-2012 12:01 PM

Quote:

Originally Posted by DC-FRS (Post 398361)
Im looking to get the Work Emotion Kiwami deep concave all the way around. The only size they make them in is 18x9.5 with a +30 offset. Would this work with stock height? I dont want to rub or anything like that, obviously. Also would I need different tires for them? What would be the best tire size for them? Also, what kind of poke/sink look would I be getting with these? Thanks for any questions answered. I appreciate it a lot!

http://www.ft86club.com/forums/showthread.php?t=11258

Gonna need coilovers to pull it off or you'll be poking by 3/8"-1/2" would be my guess.

ill86 08-24-2012 01:01 PM

He doesn't need coilovers.. Springs and an alignment would work fine.
9.5 is a lot of wheel though. Could run a 235-255mm tire.. Def aggressive fitment.

digital_assassin 08-24-2012 03:18 PM

Suppose I should have said drop and camber :wink:

w arghh x 08-25-2012 05:43 AM

Im pretty confused with all this offset stuff :(

18x8 with a +42 offset. Will this be fine? 225/40/18 tires also....

Panman 08-25-2012 05:56 AM

Quote:

Originally Posted by w arghh x (Post 401808)
Im pretty confused with all this offset stuff :(

18x8 with a +42 offset. Will this be fine? 225/40/18 tires also....

Will fit fine. No issues at all.

w arghh x 08-25-2012 05:59 AM

Quote:

Originally Posted by Panman (Post 401814)
Will fit fine. No issues at all.

Thanks mate. I thought a +42 would be ok, but then started to doubt my choice. Managed to get some SA70's New :)

Panman 08-25-2012 09:28 AM

Quote:

Originally Posted by w arghh x (Post 401815)
Thanks mate. I thought a +42 would be ok, but then started to doubt my choice. Managed to get some SA70's New :)

I'm 18x8 +48 with 225/40 no problems. +42 just means you'll be 6mm further out in the guards each side, and there's room to spare.

FantomRider 08-25-2012 12:27 PM

18x9 +25 with 1" drop? How much it stick out the fender?

ill86 08-25-2012 01:38 PM

Quote:

Originally Posted by FantomRider (Post 402038)
18x9 +25 with 1" drop? How much it stick out the fender?

Depends on your alignment.. That's fairly aggressive. 48mm further out than stock. (~2")
Grab a calculator and check. But, it's roughly poking 1"+ past the guards..

Wheel fitment isn't magic. Anyone can learn to measure.

Thobjo 08-25-2012 02:39 PM

Quote:

Originally Posted by Thobjo (Post 397850)
Would 16"x6.5" ET53 or 55 offset work for winter tires?
Rather not spend money on winter wheels at all but need to be able to move the car in and out of garage even in snow.

These are the original 2002 Impreza and Impreza WRX wheels.

Would anyone please chime in on this?

ill86 08-25-2012 02:51 PM

Quote:

Originally Posted by Thobjo (Post 402243)
Would anyone please chime in on this?

11mm in compared to stock. It will fit and look rather silly imo. :D
It will work for your intended purpose, however.

Edit- may want to test fit one for front caliper clearance.

Thobjo 08-25-2012 05:11 PM

Quote:

Originally Posted by ill86 (Post 402259)
11mm in compared to stock. It will fit and look rather silly imo. :D
It will work for your intended purpose, however.

Edit- may want to test fit one for front caliper clearance.

Thank you kindly sir, would get these very cheap but still have untill January to have wheels ready so guess I will hold out and see if something better comes up.

ill86 08-25-2012 10:41 PM

Quote:

Originally Posted by Thobjo (Post 402412)
Thank you kindly sir, would get these very cheap but still have untill January to have wheels ready so guess I will hold out and see if something better comes up.

No problem. Don't forget to check caliper clearance.

oddworlds 08-26-2012 09:04 AM

Kiwami CR ultimate
 
Guys I can't seem to find the answer to my question.

I'm thinking of getting kiwami's 18'' 9.5's with a +30 offset and for the front 8.5's with the same offset...my 86 is stock ride height. Just firstly want to know if that combo will work for the car?, probly will get a 1-1.5'' drop aswel.

Lastly can the car deal with an even more aggressive offset in the rear like a +20.

I apologise if I sound like a noob at this.

JoeBoxer 08-26-2012 09:17 AM

I would probably go with 8.5 +38 front and 9.5 +38 rear, many others have and it fits well I don't see any reason to go more aggressive but i'm sure its possible with some negative camber and slightly stretched tires.

oddworlds 08-29-2012 03:37 AM

But would a +30 all round fit?


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