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New caretaker '82sc modded with a few questions

Hello all. After months of searching, I finally took ownership of my first Porsche. I was an air-head back in the '80's owning several early pre '60 vw bugs and ghias. Back then, it was fun, easy, and inexpensive to build. I saw this SC at my mechanics, next to a couple 930s. I asked him about it and he said it's going up for sale after the cis is rebuilt. He fired her up and the sound... was so intoxicating and the smell brought me back in time. Motor, tranny, and clutch has less than 10k on rebuild. I test drove it and no other 911SC felt as good as this one during my search.

I considered M491's and turbos, but could not get passed worrying about door dings, theft, etc...

Right now, it has cup replicas I want change the wheels to fuchs. Do I really need 9 and 11 inch wheels for the street use? Can I autocross with 15 or 16 7/9 with spacers. As for brakes, I'm planning on using stock calipers with cross drilled rotors.

Does anybody know what tail it has on it? It's steel. I seen one on the Getty catalog like it, but that one is fiberglass. I planning swapping it out with a Stratton or Getty duck.

Any advice or words of wisdom would be greatly appreciated.



Old 12-12-2009, 12:24 PM
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Sweet!!

Welcome to Pelican.

Obviously, it has had a widebody "kit" added at some point. The stock brakes are just fine for street driving and the occasional autox.

There's no harm in going to drilled rotors but they are not necessary. Just make sure the brake system is bled properly and is functioning as it should.

You MAY need spacers for the rear to make a set of 9 inch Fuchs fit just right. This is assuming that your chassis is stock SC.

I would leave the Cups on it, if it were my car though.

I'm not sure on the spoiler make but it looks good on the car.
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Old 12-12-2009, 12:54 PM
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Welcome!
Nice ride too

I'm in the market for a set of those wheels, let me know when you get your fuchs and want to sell those...

Others will chime in on proper wheel applications, but I will say with the widebody I'm pretty sure you'll need spacers if you use std fuchs (7X16 fr & 8/X16 rear) 9X16 used spacers in some applications if memory serves correctly.

Bill Verburg is the resident guru on wheel fitment, brakes etc etc etc

this is one of his application charts, hope it helps

Wheels fitments, all are 17" unless other wise specified
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Old 12-12-2009, 12:59 PM
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your spoiler looks like the one that came on a 930S
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fully disassembled, blasted, customized and restored 75 targa with factory hard top, 993 style turbo ft fenders, steel flares, C2 bumpers and rockers, 82 3.0 sc 9.5/1 engine with PMS flywheel, 964 cams, flowed heads, ssi's short geared 915 w/lsd, polybronze, bilstein,working lambda, modified and highly tuned cis, tensioners, pop valve, backdated exhaust and heater, 2300 lbs. no bolt left untouched. 1970 911E. Nice car but needs a re-do.
Old 12-12-2009, 01:48 PM
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Quote:
Originally Posted by Oh Haha View Post

You MAY need spacers for the rear to make a set of 9 inch Fuchs fit just right. This is assuming that your chassis is stock SC.
Probably just the opposite. Going from Cups to Fuchs, you may have to take spacers off. The offsets are very different on Cups and Fuchs. I had to do this when going to Fuchs.

Oppositely (?), going from Fuchs to Cups, you have to add spacers to clear the calipers and get the wheel out to the fender.

Probably take about 1" off the front and rear both.

7's and 8's or 7's and 9's, maybe.

Last edited by tcar; 12-12-2009 at 03:23 PM..
Old 12-12-2009, 03:18 PM
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tcar-the sc chassis has different rear trailing arms versus a real M491 or a 930.

Thus, my thoughts on him needing to add a small spacer to fill out the rear wheelwell if he adds 8 or 9 inch Fuchs.

Obviously,the adapters for the Cups will need to come off to install Fuchs or wheels with 10, 15, or 23mm offsets.
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Old 12-12-2009, 03:45 PM
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Thanks for the warm welcome fellas.


911Freak: One of the rear wheels leaks and they're replicas. I wouldn't feel right selling unsafe parts.

Don: It does look like a 930s spoiler. I checked with a guy to verify the tail. Unfortunately, it's not a factory part. He said the factory part is made of fiberglass.

tcar: Do you have a widebody conversion?

Oh Haha: I have the SC chassis. Correct me if I'm wrong. 10 for the 16x8, 15 for the 16x9, and 23 for the 16x7. This is to clear brakes and suspension stuff. Will I still have an aesthetic issue with the outer rim to fender?

The car has 1inch and 2 inch spacer f/r.
Old 12-12-2009, 04:30 PM
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You MAY need to add a spacer to the rear to bring the wheel out to the edge of the wheelwell. Yes, this would be purely asthetic.

Even the 930s used a spacer from the factory. I think it was 1 inch but don't quote me on that.
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Old 12-12-2009, 04:49 PM
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Yes, my car was an SC. I'm familiar with the SC suspension. It had Cup Wheels on it when I bought it and I changed to Fuchs. I had to remove spacers to get the Fuchs to fit inside the fenders.

With the Cup Spacers on, mounting the Fuchs, the tire faces were OUTSIDE the edge of the fenders by almost an inch. Think Hotwheels toys.

What I'm saying, is, that you have to add WIDER spacers to put Cup Wheels on an SC than you do do put FUCHS on it.

With a widebody, you have to add spacers to get the Fuchs out to the fender, but you have to add even MORE spacers (or wider spacers) to put the Cup wheels on.

The offset on Cup wheels is a lot different than a Fuchs. You can get an ideas of this by looking at the recessed center on the wide Fuchs vs. the protruding center of the Cups.

Last edited by tcar; 12-13-2009 at 05:01 PM..
Old 12-13-2009, 07:47 AM
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Quote:
Originally Posted by 911Freak View Post
I'm in the market for a set of those wheels, let me know when you get your fuchs and want to sell those...
Quote:
Originally Posted by shoebox View Post
911Freak: One of the rear wheels leaks and they're replicas. I wouldn't feel right selling unsafe parts.

Hey 911Freak-

If shoebox isn't selling, I have a set of 7 1/2 & 9 x17 Borbet Cup Replicas. They are good mechanically, but have some minor curb rash. I am in Woodland Hills, so you could come by and look at the to see if they are what you want.

If you are interested, send me a private message so we don't step all over shoebox's thread.

shoebox-

Congrats on the new ride. Its always good to see another Fat Bottomed Girl on board.
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Old 12-13-2009, 08:44 AM
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tcar, Thanks for the detailed info. What rim size and tires did you use?
Old 12-14-2009, 06:17 AM
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Don, you are correct. I checked out the car this morning... It's a real 930s tail! Thanks for the keen eye.

It's so wrong to be on a SC. I wonder what the value would be for it.

"The 'X93' Exclusive rear spoiler 3.6 was exclusive to this model. The 1994 Turbo S was the first production Porsche 911 Turbo with the complete wing painted the body color. The large floppy eared Turbo 3.6 'S' spoiler is to date the biggest 'tail' to ever appear on a Porsche production street car. For Japan, the standard 3.6 turbo rear spoiler was available as was the 964 3.8 RS rear spoiler." quote from Mark Smith.

Old 12-16-2009, 10:56 AM
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