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Old 06-24-2014, 02:50 PM
  #46  
FlyinTomato
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Originally Posted by roadiesean View Post
Will these fit my 1989 C4 ?

7.5J x 17 ET (mm) 65 Part Number: 993 362 124 00

9J x 17 ET (mm) 55 Part Number: 993 362 128 00
Yes, with spacers.

15mm on the front

you can probably get away without spacers for the rear. Or use a 7mm spacers to bring out the wheels to sit more flush with fender. 255 tires for the rear
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Old 06-24-2014, 02:56 PM
  #47  
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Originally Posted by MusicMadMike View Post
Oh great understanders of offsets and wheels would this configuration work under a NB 964

8Jx18, ET50
10Jx18, ET52

I still don't understand

Front works,

for the rear, you will need 5mm spacers. (47mm effective offset). 47mm offset is the sweet spot for 10" wheels

I had almost same setup in the past. ran 285 tires on the rear. it was with stock ride height tho. if lowered, I would just run 265 all day without problem.
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Old 06-24-2014, 03:23 PM
  #48  
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Thanks for that. My current wheels I think are Cup1 reps. They have JIL (I think) stamped (kind of reverse stamped the letters are lifted), how much lighter would proper Porsche Cup1s likely weigh than these ? Which are the ones I'm questioning.

How much difference to the handling would the spacers make ?
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Old 06-24-2014, 03:50 PM
  #49  
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The "JWL" (Japan Light Wheel Alloy) stamp is a compilation of standards defined by the Japanese Government to ensure the vehicle's safety for aluminum road wheels. Every wheel put to their market must be tested to meet JWL standards before a wheel can be put out to market in Japan and it's for this reason the wheels will have this stamped on them. It's not a manufacturers mark.
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Old 06-24-2014, 06:03 PM
  #50  
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Thanks for the help in all of this guys.

This set of wheels won't work on a 964 then because they'll stick out too far correct?

8 x 17 fronts with 9 x 17 rears
Offset Fronts : 30.4
Offset Rear : 17.7

Originally Posted by FlyinTomato View Post
Front works,

for the rear, you will need 5mm spacers. (47mm effective offset). 47mm offset is the sweet spot for 10" wheels

I had almost same setup in the past. ran 285 tires on the rear. it was with stock ride height tho. if lowered, I would just run 265 all day without problem.
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Old 06-24-2014, 07:07 PM
  #51  
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Originally Posted by MusicMadMike View Post
Thanks for the help in all of this guys. This set of wheels won't work on a 964 then because they'll stick out too far correct? 8 x 17 fronts with 9 x 17 rears Offset Fronts : 30.4 Offset Rear : 17.7
Correct, those will stick out way too far. It's always better to have high offset numbers and ad spacers.

As a general guide look for front ET50+ and rear ET47+
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Old 06-24-2014, 07:29 PM
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Yea, I found a great set of CUP 1 wheels only to find those offset numbers........:^(
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Old 06-25-2014, 03:19 AM
  #53  
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Still waiting on a price on the BBS E28s....
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Old 06-25-2014, 04:08 AM
  #54  
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Originally Posted by Runtothehills View Post
Still waiting on a price on the BBS E28s....
Soon, been away. I'll have them in front of me next week for new pics and a price.
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Old 06-25-2014, 09:01 PM
  #55  
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Originally Posted by BLACK-BETTY View Post
No such thing as wrong, as you say. For the record - no bad blood


Originally Posted by abarthguy View Post
Yea, I found a great set of CUP 1 wheels only to find those offset numbers........:^(
I ran into that a few times myself. Just when you think you found the "right" set.....................the search continues doesn't it

good luck, I'm sure you'll find the right set for you!
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Old 06-26-2014, 07:16 AM
  #56  
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Come on you BBS geeks, show us what you got!

I'm an aspiring geek, help a fella out...

I've looked and found so many varying opinions I am a bit lost as to suitable fitment for 18" BBS LM. RS ride height, moderate camber. I'm not interested in rolling the fenders.

I've heard LM099 (18 x 8.5 ET6) and LM144 (18 x 10 ET50) work. Is there truth in this? I'd imagine LM 141 (18 x 8 ET 50) and LM 142 (18 x 9.5 ET 55) would be a better fitment?

Are there other LM fitment options are there to be had? And I mean 'had' not the rare as rocking horse poo wheels
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Old 06-26-2014, 08:26 AM
  #57  
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[QUOTE="pcarplayer;11467367"]

I've heard LM099 (18 x 8.5 ET6) and LM144 (18 x 10 ET50) work. Is there truth in this? [/QUOTE

Front ET6? Rears will work fine, although your want a small 5mm shim to bring em out a bit more.

[QUOTE="pcarplayer;11467367"
I'd imagine LM 141 (18 x 8 ET 50) and LM 142 (18 x 9.5 ET 55) would be a better fitment?[/QUOTE]

These work fine also although you may want to add spacers to fill out the arches.

Not better, both seem fine. Just depends on your preference for wider wheels.
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Old 06-26-2014, 03:42 PM
  #58  
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Originally Posted by BLACK-BETTY View Post
Originally Posted by pcarplayer View Post

I've heard LM099 (18 x 8.5 ET6) and LM144 (18 x 10 ET50) work. Is there truth in this?
Front ET6? Rears will work fine, although your want a small 5mm shim to bring em out a bit more.
Oops, thanks Frank. That is LM099 (18 x 8.5 ET56). I'm guessing you worked that out already?
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Old 06-27-2014, 02:28 PM
  #59  
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I will have some cup1s from a 964 turbo if anyone's interested.

Just bought some used RH speedline reps!!
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Old 06-27-2014, 03:49 PM
  #60  
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Today buy for my 964 turbo-look Kerscher wheels (speedline) 18 front 8.5 ET 48, rear 10 ET 35.
Question: nice they will stand, suitable size? and what size tire to buy? Thank you all for your help!
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