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Old May 17, 2007 | 01:37 AM
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Default 19" Turbo Wheels

Okay got a question. Have seen the new 19" Turbo Wheels twice both on 2007 Carrera C4 Targa's at the dealership. Unfortunately I don't have a targa (beautiful car) but I do kinda like those wheels. Would anyone know if they'd fit on an 2005 Carrera 2 (non-S)? Would it require modifications or spacers? Anybody done it yet?
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Old May 17, 2007 | 01:48 AM
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As I understand it there are several offsets of those wheels made for the Turbo, the Carrera(s) and the Carrera 4(s). Of course the ones for a Carrera S will fit the Carrera. Just get the right ones.
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Old May 17, 2007 | 09:49 AM
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Originally Posted by Edgy01
As I understand it there are several offsets of those wheels made for the Turbo, the Carrera(s) and the Carrera 4(s). Of course the ones for a Carrera S will fit the Carrera. Just get the right ones.
As Dan said depends on the offsets. If they came off a TT the rears have a widebody offset (51mm) so they would fit the C4 and the Targa - doesn't matter if the car is an S or not. I've read somewhere that the Turbo wheel is an option on the 07 Carrera so they might offer the rear wheel in a 67mm offset that will fit a C2. Fronts should be no problem. You can use spacers to fit a narrowbody rear wheel to a widebody but not the other way around. The Turbo rear wheel with 51mm offset will stick out 16mm more than the stock wheel on the C2.
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Old May 17, 2007 | 12:46 PM
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If your car is not lowered they will fit but will stick out past the fender a tad. As others have suggested the best bet is to get them in the correct offset of 67mm but this will probably cost you more. I personally don't care for the wheels and evidently neither do many turbo owners. So there are numerous sets listed on ebay in the wide body offset of 51mm. Almost all of those are 997tt take-offs.
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Old May 18, 2007 | 12:08 AM
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Offsets? What is the difference between the C2, C2S, C4, and C turbo? I thought the only real difference was the size and the rubber used? No?
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Old May 18, 2007 | 12:22 AM
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Originally Posted by mdrobc1213
Offsets? What is the difference between the C2, C2S, C4, and C turbo? I thought the only real difference was the size and the rubber used? No?
The narrowbody 997 C2 has rear wheel offsets of 68mm while the widebody C4, Targa and TT have real wheel offsets of 51mm. Again, it doesn't matter if the car is an S or not, just whether its wide or narrow. Obvioulsly the offsets need to be different because of the width differences - makes the wheel fit properly.
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Old May 18, 2007 | 02:32 PM
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Originally Posted by jhbrennan
The narrowbody 997 C2 has rear wheel offsets of 68mm while the widebody C4, Targa and TT have real wheel offsets of 51mm. Again, it doesn't matter if the car is an S or not, just whether its wide or narrow. Obvioulsly the offsets need to be different because of the width differences - makes the wheel fit properly.

actually the offset on the 997 is 67,
i will find out in about a week if these wheel fit. I am pretty confident they will.
I currently have my kinesis wheels on with the offset of 49mm and 295 tires.
so if you get the turbo wheels (offset 51) with 295 tires, it will fit and look perfect for me at least.
i will be trying the 305 tires so actually it will be like trying to fit the offset of 46mm, it looks like my car can accomodate another 3mm but i will find out and let you know.
here is the pic of kinesis, with offset 49 and 295 tires just for reference. offset is a personal preference, some people like there wheel sticking out alittle, im trying to get it just to the fender. if you like the stock offset then stick with 67
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Old May 18, 2007 | 02:48 PM
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Originally Posted by raffi
actually the offset on the 997 is 67,
i will find out in about a week if these wheel fit. I am pretty confident they will.
I currently have my kinesis wheels on with the offset of 49mm and 295 tires.
so if you get the turbo wheels (offset 51) with 295 tires, it will fit and look perfect for me at least.
i will be trying the 305 tires so actually it will be like trying to fit the offset of 46mm, it looks like my car can accomodate another 3mm but i will find out and let you know.
here is the pic of kinesis, with offset 49 and 295 tires just for reference. offset is a personal preference, some people like there wheel sticking out alittle, im trying to get it just to the fender. if you like the stock offset then stick with 67

Raffi, PM'd you on 6speed...
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Old May 18, 2007 | 03:15 PM
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Originally Posted by raffi
actually the offset on the 997 is 67,
i will find out in about a week if these wheel fit. I am pretty confident they will.
I currently have my kinesis wheels on with the offset of 49mm and 295 tires.
so if you get the turbo wheels (offset 51) with 295 tires, it will fit and look perfect for me at least.
i will be trying the 305 tires so actually it will be like trying to fit the offset of 46mm, it looks like my car can accomodate another 3mm but i will find out and let you know.
here is the pic of kinesis, with offset 49 and 295 tires just for reference. offset is a personal preference, some people like there wheel sticking out alittle, im trying to get it just to the fender. if you like the stock offset then stick with 67
If you're running 49mm on the rear of a C2 then the wheels are pushed out 18mm more than the stock 67mm. If you're OK with that look then the TT wheels with a 51mm offset plus the 305 will be about the same as your Kinesis - minus 2mm becuse of the offset change, plus 5mm on the tire size change or 3mm more than your current +18mm. I think they look great what I don't know is if this type of change affects handling.
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Old May 18, 2007 | 03:27 PM
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hey dave, i called you, left you a message with my telephone #.
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Old May 18, 2007 | 03:31 PM
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thanks for the encouragement jhbrennan, i am fearful that extra 3mm is gonna make the wheel stick out...
i guess we will have to see, i can always just trade the tires for 295's.
no doubt that porsche spends hours and builds these cars this way for a reason, but still some theorize that the big gap in the well and conservative offset is to accomodate snow chains. i dont know, my main reason for this switch is to avoid spacers, i actually will still need some on my fronts.
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Old May 18, 2007 | 04:51 PM
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I guess there's another question: Are the "turbo" wheels for the 997/997S from the factory the same as those put on the 997 turbo or do they just look similar? I got them on my 997S (with 5mm spacers) and I think they look great. I wouldn't put it past Porsche to have a different part # with a different offset for the "real" turbo wheel though...

(away from my main comp, so don't have other pics right now)
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Old May 18, 2007 | 06:18 PM
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definitely a different part, the 51mm offset turbo wheels will be right at the fender if not sticking out a bit on the narrow body.
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Old May 18, 2007 | 06:41 PM
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Originally Posted by cviles
I guess there's another question: Are the "turbo" wheels for the 997/997S from the factory the same as those put on the 997 turbo or do they just look similar? I got them on my 997S (with 5mm spacers) and I think they look great. I wouldn't put it past Porsche to have a different part # with a different offset for the "real" turbo wheel though...

(away from my main comp, so don't have other pics right now)
I haven't looked at an 07 ordering guide but based on what I've been told if you select turbo wheels as an option for a C4 they are the same as the wheels on the TT. If you select turbo wheels as an option for a C2 the rear wheels are turbo wheels but with a different, narrowbody offset. Someone recently took delivery of a C2 with that option maybe they could look at the info stamped on either side of the valve stem and tell us the offset.
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Old May 19, 2007 | 08:54 AM
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Originally Posted by mdrobc1213
Offsets? What is the difference between the C2, C2S, C4, and C turbo? I thought the only real difference was the size and the rubber used? No?
Rob - here is a link to a wheel offset calculator. Note the diagram on the left of the page. This may help you understand offset, and how changing the offset (i.e. going from 67mm to 51mm) and/or changing the wheel width (i.e. going from 10" width to 11" width) will change the dynamics of how the wheels & tires will fit in the fender.

http://www.1010tires.com/WheelOffsetCalculator.asp

Your starting point should be your current OEM wheel width and offset. On Porsche OEM wheels, the width (in inches) and offset (in mm) is stamped on either side of the valve stem. Hope this helps.
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