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Wheels | Tires | Spacers | Hub -- Sponsored by The Tire Rack Specific topics relating to wheels and tires.


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Old 04-06-2019, 07:38 PM   #57
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My suggestion would be to have the app make parts turn red if wheels/tires will hit or rub with stock brakes/suspension.


On a side note, why is lowering a car so popular? I've never liked how any cars looked when lowered. When I get my 86 later this year, I don't plan to lower it, just put some new wheels and tires and maybe new suspension on it. Any suggestions?
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Old 04-19-2019, 01:40 AM   #58
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does this work with the performance package brembos?
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Old 04-19-2019, 08:08 PM   #59
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does this work with the performance package brembos?
The calculator do not simulate the data for brake caliper fitting, because it is wheel specific related. Your best bet is to go with wheel series that are certified BBK, most wheel brands have wheels made for BBK.

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Old 05-10-2019, 11:00 AM   #60
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Awesome work, thanks a lot
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Old 09-17-2019, 12:50 PM   #61
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I'm looking to get Enkei TM7 (18 X 8.5, square setup). My only tough choice is knowing if I should go with 225/40R18 (5mm spacers) in the front and 235/45R18 (15mm spacers) in the back, or 225/40R18 all around. I'm on Eibach Sportline lowering springs (about -1.4" drop).
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Old 09-17-2019, 01:02 PM   #62
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I'm looking to get Enkei TM7 (18 X 8.5, square setup). My only tough choice is knowing if I should go with 225/40R18 (5mm spacers) in the front and 235/45R18 (15mm spacers) in the back, or 225/40R18 all around. I'm on Eibach Sportline lowering springs (about -1.4" drop).
I would highly suggest going 225/40/18 all around. Staggered setups do not handle as well. (i have had four different staggered and am now square)

Additionally, a 235/45/18 is WAY TOO big of diameter. If you were going to go staggered, a 225/40 front and 235/40 or 245/35 rear will work OK.

IMO, for a flush fit; Your spacers are not wide enough in the front. I would suggest a 10mm at least. 15mm in the rear is fine.

Get camber bolts for your front too.
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Old 09-17-2019, 01:13 PM   #63
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I would highly suggest going 225/40/18 all around. Staggered setups do not handle as well. (i have had four different staggered and am now square)

Additionally, a 235/45/18 is WAY TOO big of diameter. If you were going to go staggered, a 225/40 front and 235/40 or 245/35 rear will work OK.

IMO, for a flush fit; Your spacers are not wide enough in the front. I would suggest a 10mm at least. 15mm in the rear is fine.

Get camber bolts for your front too.
Thanks so much! Very big help
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Old 09-26-2019, 09:44 PM   #64
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18x9.5 +38 seems to be the "go to" dimensions for this car, but this tool shows the rims poking by 19mm?

What am I missing to make it match 'reality'?
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Old 09-27-2019, 01:21 AM   #65
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"flush" means different things to different people. For example is it from wheel alone, or from tire or from tire contact patch? And then there is camber, which you have left stock, 0dg, but many going for looks often also lower car, and naturally gain extra negative camber.
P.S. I'd think also of smaller diameter coilovers, to reduce chance of wheel rubbing on spring perch.
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Old 09-27-2019, 03:40 PM   #66
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I would highly suggest going 225/40/18 all around. Staggered setups do not handle as well. (i have had four different staggered and am now square)



Additionally, a 235/45/18 is WAY TOO big of diameter. If you were going to go staggered, a 225/40 front and 235/40 or 245/35 rear will work OK.



IMO, for a flush fit; Your spacers are not wide enough in the front. I would suggest a 10mm at least. 15mm in the rear is fine.



Get camber bolts for your front too.
I am going staggered with front being 18x8.5 +33 and rear 18x9.5 +38 with 245/40 all around. I am currently on stock suspension. Can you please tell me if you know of any possible issues that I might hit?

I am also going Tein Flex Z coilovers in the future, will there be any problems when I lower the car?

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Last edited by jc7993; 09-27-2019 at 03:56 PM.
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Old 09-27-2019, 04:42 PM   #67
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I am going staggered with front being 18x8.5 +33 and rear 18x9.5 +38 with 245/40 all around. I am currently on stock suspension. Can you please tell me if you know of any possible issues that I might hit?

I am also going Tein Flex Z coilovers in the future, will there be any problems when I lower the car?

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You will be fine, I have seen 245/40/18 run before. Get a set of camber bolts, you will want some negative camber in the front. With those wheel offsets, you will not have rubbing issues on stock suspensions or coils. When you lower your car, you will add about -2 degrees of negative camber in the back.

It might not be even side to side, my car had a 0.4 degree difference after lowering 1". If this is an issue, LCA add a way to adjust the rear camber and make it even. I added some eventually.

About tire size: 245/40/18's are 25.7" in diameter, A stock 215/45/17 is only 24.6". That's a 4.5% increase in diameter. It is generally felt that you can change sizes if the difference is kept within 3%. A 245/35/18's are 24.8" in diameter, only a 0.8% increase. This is the size I would suggest.
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Old 09-27-2019, 04:53 PM   #68
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I don't get why to get staggered wheels, if one will run square tires on them.
And problems or not with lowering, if you will lower sane amount or if you'll go overboard.
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Old 09-27-2019, 05:03 PM   #69
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I don't get why to get staggered wheels, if one will run square tires on them.
And problems or not with lowering, if you will lower sane amount or if you'll go overboard.
I wanted 255/40 in the back but because I read somewhere that 245/40 is the max you can go for the front without any issues. So I opted to go square tires due to the warranty that the tires come with.

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Old 09-28-2019, 04:42 AM   #70
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For a typical set of mid range coilovers, how much more "suspension distance" can we get away with as displayed by this tool? Any estimates?
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