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SlayerSST
Joined: 21 Sep 2010
Posts: 212
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 Posted: Mon Jan 14, 2013 10:03 am Post subject: wheel rubs |
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The wheels on my 931 rub the inner fender after 5 lug conversion.
Last edited by SlayerSST on Mon Apr 22, 2013 11:20 am; edited 3 times in total |
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Karpaazio
Joined: 03 May 2011
Posts: 121
Location: Finland
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| Posted: Mon Jan 14, 2013 5:25 pm Post subject: |
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Put some 185/50-16 on them so there will be stretch and drop it down few more inches 
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fiat22turbo
Joined: 18 Jan 2006
Posts: 4040
Location: Portland, OR
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| Posted: Tue Jan 15, 2013 3:35 am Post subject: |
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| Karpaazio wrote: | | Put some 185/50-16 on them so there will be stretch and drop it down few more inches |
Please don't stretch, its a silly trend that does not improve performance and can be dangerous if done poorly. Damned kids! Get off my lawn! 
If the tire rubs on the inside without the big spacer, use slim spacers to move it out slightly to clear the inner skirt (also make sure your rear end is centered and then add some negative camber to improve handling and add a little clearance, Clarence.
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Stefan
1979 924 Carrera GTS (clone-ish)
1988 944 Turbo S (Silver Rose) |
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Carrera RSR
Joined: 08 Jan 2010
Posts: 2312
Location: Somerset, UK
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| Posted: Tue Jan 15, 2013 4:50 am Post subject: |
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These wheels work on the narrow body 924 due to narrow track. Now you have 944 wider track and now need wider arches, thinner wheels or go back to 924 rear end.
A drop to 205/50 16 would also help with neg camber
Currently looks way over tyred
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Karpaazio
Joined: 03 May 2011
Posts: 121
Location: Finland
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| Posted: Tue Jan 15, 2013 5:09 am Post subject: |
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On the other side you should also put some spacer in front also so that the front wheels would come as far to the arches as rear ones, so they wouldnt be tucked in and the rears would poke out.. Just my opinion 
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Porsche 924 1978 Cabrió:
http://www.garaget.org/?car=219790
Porsche 924 widebody (next up?)
Toyota Crown LS110 1983:
http://www.garaget.org/?car=260537
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morghen
Joined: 21 Jan 2005
Posts: 9069
Location: Romania
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| Posted: Tue Jan 15, 2013 6:44 am Post subject: |
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put on 7J wheels on the rears.
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fiat22turbo
Joined: 18 Jan 2006
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Location: Portland, OR
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| Posted: Tue Jan 15, 2013 6:47 am Post subject: |
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| Carrera RSR wrote: | These wheels work on the narrow body 924 due to narrow track. Now you have 944 wider track and now need wider arches, thinner wheels or go back to 924 rear end.
A drop to 205/50 16 would also help with neg camber
Currently looks way over tyred |
Rear control arms are the same between the 924 and 944. The difference is in the hubs used and the use of spacers. The early 944 was the same as the 924 with the width made up from the use of spacers. Which is why I say remove the spacers and run slightly thinner ones to get rid of the rubbing. Done.
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Stefan
1979 924 Carrera GTS (clone-ish)
1988 944 Turbo S (Silver Rose) |
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ideola
Joined: 01 Oct 2004
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Location: Spring Lake MI
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| Posted: Tue Jan 15, 2013 9:10 am Post subject: |
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| fiat22turbo wrote: | | Rear control arms are the same between the 924 and 944. |
A little over-simplified...
1982-85.5 944 has steel trailing arms identical to those used on the 5-lug equipped 924. All 1986 944 & 951 had alu trailing arms with hubs setup for so-called early offset wheels, which eliminate the need for the 22mm spacer used on the 924 5-lug setups. The 1986-1988 924S used these rear trailing arms as well. 1987-onward 944 and 951 had yet a different alu trailing arm that pushes the hub out another inch to accommodate so-called late offset wheels.
Ultimately, it all depends on what the offset is of the wheels you are trying to run. Late offset wheels (i.e. those with a high offset in the 50-60mm range) in widths up to 8" can be run on the 924 5-lug setup as long as you use the stock 22mm spacer (or something close depending on exactly where you want the wheel to sit in the arch).
In general, 8" late offset wheels are likely to require the inner lip of the fender to be rolled. I tried fitting 9" late offset clubsports (somewhere in the 60mm offset range IIRC) on a narrow body car, but they will interfere with the stock brake line routing, and if tires are put on, they will rub on the inner sheet metal. You might be able to put spacers on, but then the outer edge will interfere with the fender lip. I decided it wasn't worth the hassle to try to make it work, but with some determined fettling, you might be able to get something like that to work.
Early offset 944 wheels (i.e. those <50mm offset, most in the 23mm range) will not work on the 924 setup, as they will stick out too far with or without spacers.
A variety of other 911, 928 and Boxster wheels will work, as long as they are in the "late offset" range.
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fiat22turbo
Joined: 18 Jan 2006
Posts: 4040
Location: Portland, OR
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| Posted: Tue Jan 15, 2013 9:49 am Post subject: |
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| ideola wrote: | | fiat22turbo wrote: | | Rear control arms are the same between the 924 and 944. |
A little over-simplified...
1982-85.5 944 has steel trailing arms identical to those used on the 5-lug equipped 924. All 1986 944 & 951 had alu trailing arms with hubs setup for so-called early offset wheels, which eliminate the need for the 22mm spacer used on the 924 5-lug setups. The 1986-1988 924S used these rear trailing arms as well. 1987-onward 944 and 951 had yet a different alu trailing arm that pushes the hub out another inch to accommodate so-called late offset wheels.
Ultimately, it all depends on what the offset is of the wheels you are trying to run. Late offset wheels (i.e. those with a high offset in the 50-60mm range) in widths up to 8" can be run on the 924 5-lug setup as long as you use the stock 22mm spacer (or something close depending on exactly where you want the wheel to sit in the arch).
In general, 8" late offset wheels are likely to require the inner lip of the fender to be rolled. I tried fitting 9" late offset clubsports (somewhere in the 60mm offset range IIRC) on a narrow body car, but they will interfere with the stock brake line routing, and if tires are put on, they will rub on the inner sheet metal. You might be able to put spacers on, but then the outer edge will interfere with the fender lip. I decided it wasn't worth the hassle to try to make it work, but with some determined fettling, you might be able to get something like that to work.
Early offset 944 wheels (i.e. those <50mm offset, most in the 23mm range) will not work on the 924 setup, as they will stick out too far with or without spacers.
A variety of other 911, 928 and Boxster wheels will work, as long as they are in the "late offset" range. |
A little over-complicated since this thread is about someone with an early 924 with 84 944 rear control arms.
Maybe drink a little less coffee and just answer the original question? If you want to write the book on 924's and 924 modifications, go right ahead, but you don't need to do it in every damned thread. Back away from perfection and being such a pedantic wannabe super-hero. Sheesh.
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Stefan
1979 924 Carrera GTS (clone-ish)
1988 944 Turbo S (Silver Rose) |
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Nein37
Joined: 29 Dec 2009
Posts: 513
Location: New London, CT
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| Posted: Tue Jan 15, 2013 11:19 am Post subject: |
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Maybe that conversion was from a late offset car not an 84'?
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Rasta Monsta
Joined: 12 Jul 2006
Posts: 11732
Location: PacNW
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| Posted: Tue Jan 15, 2013 12:10 pm Post subject: |
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The donor suspension is not originally from an 84.
PS Stefan LOL
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ideola
Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI
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| Posted: Tue Jan 15, 2013 1:16 pm Post subject: |
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It wasn't a personal attack, Stefan. But since you want to bring it to that level, why don't you take a Vitamin D chill pill and grow up. 
You and the original poster are not the only ones that may come across this thread, so I fail to see how correcting a blatant inaccuracy is pedantic.
If I wanted to be pedantic, I would point out that this statement was also incorrect, misleading, and potentially confusing:
| fiat22turbo wrote: | | The early 944 was the same as the 924 with the width made up from the use of spacers. |
This is simply not true. The early 924 had spacers with what we conventionally have come to think of as late offsets (i.e. high offsets in the 50mm+ range). The early 944 (82-85.5) had the same trailing arms and hubs, and did NOT use spacers. The width was made up by using much lower offsets on the wheels (e.g. the 23mm offset 7J cookie cutters and phone dials being two common examples). In '86, the early offset alu trailing arms were introduced, which moved the hub face out another inch. These can be used on a narrow body car WITHOUT spacers using the same high offset wheels that would require the OEM 22mm spacer on the steel trailing arms.
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Rasta Monsta
Joined: 12 Jul 2006
Posts: 11732
Location: PacNW
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| Posted: Tue Jan 15, 2013 1:56 pm Post subject: |
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Dan is right about the (lack of) spacers.
Stefan is right about Dan being pedantic. We know you're cutting and pasting, big boy!
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- WeiBe (1987 924S 2.5t) - 931 S3
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Grenadiers
Joined: 20 Feb 2007
Posts: 3222
Location: Nelson, WI & Prescott, AZ
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| Posted: Tue Jan 15, 2013 1:58 pm Post subject: |
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I almost lost my groin pulling the rear torsion carrier out of an '83 944 last week at the junkyard. It had spacers.
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Cedric
Joined: 27 Aug 2004
Posts: 2754
Location: Sweden
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| Posted: Tue Jan 15, 2013 4:51 pm Post subject: |
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Why complain when someone tries to help other people, spending his free time doing it?
Its not the first time i say it, but low ET23 wheels can be made to fit a narrow car, its all about wheel alignment. It makes much more difference than you would think. But in this case it looks like it wont be enough, and if you dont use sporty tyres or occasionally do active driving then negative camber wont be the best idea
D90s are plentyful and cheap, there are many with higher offset, like the ones from a 928.
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