964RS + 959 = shared part no's?

[Hacki]

ORIGINAL: ChrisW

A very silly question, but are they supposed to be twisted ?

Yes, they are supposed to twist within certain limits and they have to be able to twist to absorb too much torque or sudden changes of grip. It´s a difficult story, especially with high torque cars. I saw some Saleen drive shafts - totally curly. The raceteams work very hard on the design of the driveshafts, seems to be a science of its own.
Also in Porsche Supercup the "curly moment" happens from time to time, like Valdeno Brito in Spain last year. Just a few extra revs at the start, maybe a bit rough on the clutch, maybe good grip on his grip position - made his race last a few seconds only.

Rgds,

Hacki

 

[h_____]

Guys, help me out here. That post on PH with Rich got me thinking. If the part number for the RS rear screen has its own part number, why does it still have the heated element? I thought that the rear screen shared some commonality with another car and the heater element was as a result of that? Did they do the C2/4 without a rear wiper, and hence have proper screen but with rear element? Or is it possible that the part is actually the same as the 959, which doesn't have a rear wiper I assume, but does have heated rear screen?

I assume if it is a C2/4 part, then the glass thickness is the same as the C2/4?

Does anyone know? Or should I ask the 911 expert on the PH? []

 

[Laurence Gibbs]

The Porsche Service Information Tecknik book says "the cars are fitted with thin glass windows (except the Windshield)"
the rear window carries a 964 suffix according to Porsche PET parts book (you can view this on Porsches web site) The part number associated just lists Carrera RS . Only way to know for sure is for someone to weight or measure the two. I don't know but one might think that the screen with the rear wiper fitted might be a shade thicker to account for the hole required in the screen. Thus allowing for a "thinner version" when no wiper is fitted.

 

[Talat]

ORIGINAL: h_____

Did they do the C2/4 without a rear wiper, and hence have proper screen but with rear element?

I believe so, my C4 doesn't have a wiper and I've seen other C2/C4's that are similar.

 

[Laurence Gibbs]

Just looked at PET again. It's the side glass (door windows) that have the 959 part number ! there is one other rear window listed without wiper for C2 :C4: C2 RS M002 Is M002 the touring ? Can't remember off hand
It's really worth downloading the PET

 

[964RS_DAB]

ORIGINAL: Laurence Gibbs

Just looked at PET again. It's the side glass (door windows) that have the 959 part number ! there is one other rear window listed without wiper for C2 :C4: C2 RS M002 Is M002 the touring ? Can't remember off hand

Yes Touring is M002

 

[Laurence Gibbs]

Thanks David. So that appears to mean the basic RS has a different rear screen from all the others including the touring.

 

[ChrisW]

Wasn't M001 Cup.

M002 Lightweight and Touring ?

M003 Clubsport N-GT.

and then C07 was the Touring option code ?

Certainly on the underbonnet sticker the 964 Lightweight and Clubsport are both designated Type 964 360, but the 964 Touring is 964 380 ... and the second option code on the Lightweight is nothing, and on the Clubsport this is 003, so maybe on the Touring it's 007 ? C07 is Italy ...

On the RHD cars the Lightweights are Type 964 361 .... so the RHD Touring is Type 964 381 ??

David, any thoughts on this ?

There's a very good article in this month's Flat 6 Mag --- to which maybe Kieron Fennelly has access for the comparison currently planned in the 911 mag ? Kieron is Flat 6's UK correspondent ...

 

[964rsdatabase]

Chris, C07 is the Country Code designation for Italy.

Hugh, check your rear screen. The code for thin glass is 1057 and standard glass is 1062 (or 1026) can't remember which off hand.

 

[h_____]

heading to garage shortly......


....back from garage, so the rear screen is 1057, and has a heater element? So if they used thinner glass, I assume it isnt off a standard C2 with out a rear wiper? Talat, could you check yours?

If so, why bother putting the heater element in it?

 

[RSGulp]

Because the lighter rear screen with heater element was designed for the 959 (probably []).

I'm in Bristol later today. I'll pop into Porsche Bristol and take a look at the 959 in their showroom. I'll write down any numbers and report back.

 

[clubsport]

I don't know if the screen numbers mean anything??

e.g. My 993, thinner glass rear screen without heater element is also Sekurit 01057

 

[RSGulp]

Just came out of Dick Lovetts OPC Swindon. They've sold the 959.

Spoke to the parts manager who has worked for Porsche for twenty years. The side glass for 964rs lightweight has the same part number as the 959. The rear glass for 964rs and 959 are different part numbers. 964rs rear glass is definitely thinner than standard and retails at £700, 959 at £1100.

He can't explain why the model-specific 964rs glass also has a heater element. "The factory did strange things back then."

 

[964RS_DAB]

ORIGINAL: ChrisW

On the RHD cars the Lightweights are Type 964 361 .... so the RHD Touring is Type 964 381 ??

David, any thoughts on this ?

Chris - my car is still at 9m so Ican't check the under bonnet sticker, however my service book has the same sticker, or very similar, and it refers to the model number as 964 381 , there's no mention of C07 though, although the option codes start with C16 which I beleive refers to the fact the car was originally destined for the UK market

 

[964RS_DAB]

ORIGINAL: Laurence Gibbs

Thanks David. So that appears to mean the basic RS has a different rear screen from all the others including the touring.

Lawrence - I think you are right, from memory the glass in my Touring is a mixture of thick and thin.....

rear quarters 'thin' 1057
front quarters 'thin' 1057
main door windows 'thick' 1026 or 1062 (possibly due to electric windows on the Touring version?)
rear screen - no markings, so presumably 'thick', rear window is heated on the Touring


David

 

[ChrisW]

Thanks David, So 964 381 is the designation for RHD 964RS Touring, and the C16 is certainly UK.

So where did the idea of M007 / M002 come from for the Touring when it already has a different model designation ?

Both Lightweight and Touring are M002.

Cup is M001.

And then there is M003 --- Clubsport / N-GT. End Of . []

 

[964RS_DAB]

Chris

According to other sources on the 'net only the Touring was M002. I've cut'n paste the model variant data as follows:
There were three M optional versions based on the so called: "Carrera RS Basic" offered in model year 1992:

[FONT=arial, arial, helvetica"]
Carrera Cup Vehicle, option M001

[FONT=arial, arial, helvetica"]
Carrera RS "Touring", option M002

[FONT=arial, arial, helvetica"]
Carrera RS "Competition", option M003.[FONT=arial, arial, helvetica"]
The RS Basic, M002 and M003 types were approved and sold for road use around the globe for model year 1992 only, excepting the USA.
The M001 Carrera Cup racing car was not approved for road use anywhere and was built for racing customers only using the 964 RS chassis in both model years 1992 and 1993.
The 1992 Carrera RS Basic and M002 Touring cars have VIN numbers with a 9 series thirteenth digit (9= Carrera RS) reserved for them in the range: WPOZZZ96ZNS4 9 0001 to 2500.
The 1992 M003 Competition versions have VIN numbers with 99 as the thirteenth and fourteenth digits reserved for them in the range: WPOZZZ96ZNS4 99 001 to 300
The 1992 M001 Carrera Cup racing cars built have VIN numbers with a 9 as thirteenth digit and an 8 as the fourteenth digit reserved for them in the range: WPOZZZ96ZNS4 98 001 to 150.
In 1992 Porsche built 2282 road cars distributed as:

[FONT=arial, arial, helvetica"]
1916 Basic version cars (including 72 right-hand drive).

[FONT=arial, arial, helvetica"]
76 Touring version M002 cars (including 11 right-hand drive).

[FONT=arial, arial, helvetica"]
290 Competition version M003 cars. [FONT=arial, arial, helvetica"]
In 1992 Porsche built 112 M001 Carrera Cup racing cars.
The 1993 M001 Carrera Cup racing cars are in the "P" series VIN range WPOZZZ96ZPS4 98 001 to 999.

 

[h_____]

OK, only question left......Talat, your C2 rear screen without a wiper, is it 1057 glass (i.e. thin?) if so that would account for the heater element, otherwise like Rich says, it seems bizzare!!

 

[Talat]

ORIGINAL: h_____

OK, only question left......Talat, your C2 rear screen without a wiper, is it 1057 glass (i.e. thin?) if so that would account for the heater element, otherwise like Rich says, it seems bizzare!!

Nope mine is 1025.

 

[964rsdatabase]

David, I read that article a couple of years ago, too but the numbers don't add up. It says they produced a total of 2282 Basics, Tourings and
N-GTs. If we discard the N-GTs because they have their own chassis number sequence, that leaves a total of 1992 cars in the same sequence. If we assume the first car was 0001 (which we're all pretty sure it wasn't), that would make the last car 1992. I have 15 cars in my database higher than that. The highest one being 2044.

Who knows?!

Martin