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Other than the prototype pictured above, has anyone seen or is aware of a factory slant without what I take are "optional" rear wing vents?
Old 02-01-2009, 04:47 PM
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Haven't seen or heard of one, but that doesn't mean it doesn't exist. Most anything was possible with sonderwunsch programme. You're referring to these "rear wing vents", yes?

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'85 930 Factory Special Wishes Flachbau
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Old 02-01-2009, 05:09 PM
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I believe that early on, Porsche was looking for a more efficient way to cool the oil, and the rear oil cooler was a solution they came up with and used all the way to 89. What I did notice is that they changed the fan position from blowing straight up from the bottom of the cooler in 87 to positioned as a larger bladed fan on the flat side of the cooler in the later iterations. Obviously, the trombone setup didn't cut it for the turbo...so they were pushed into a better oil cooling solution...and the rear fender mounted cooler was it. I've never seen a slant without it....doesn't mean it didn't exist, but from an engineering standipoint, they HAD to come up with a method to do a better job to cool the oil....
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Old 02-01-2009, 05:27 PM
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Chuck,
Up to '87, when the 505/506 optioned slants became available, the earlier slant's vents were just that. They had ducts going to the rear, supposedly to cool the brakes, but in reality, they were more decorative than anything else. Also, because of the front headlight assembly, the cooler would not fit in the front wheel well like other 911's.
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'85 930 Factory Special Wishes Flachbau
Werk I Zuffenhausen 3.3l/330BHP Engine with Sonderwunsch Cams, FabSpeed Headers, Kokeln IC, Twin Plugged Electromotive Crankfire, Tial Wastegate(0.8 Bar), K27 Hybrid Turbo, Ruf Twin-tip Muffler, Fikse FM-5's 8&10x17, 8:41 R&P

Last edited by WERK I; 02-01-2009 at 05:51 PM..
Old 02-01-2009, 05:48 PM
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You got me on that one....a bit of history in the evolution that I wasn't aware of.
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Old 02-01-2009, 06:16 PM
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Slant Nose Oil Cooler (rear vs. front)

Dave-
I believe you are correct that the rear fender mounted oil cooler started with the 1987 model year Slant Nose production. My understanding is that the M505 option (for the US market) is the only factory built Slant Nose with the oil cooler mounted behind the slats on the right rear fender.
The M506 optioned cars (RoW) continued to be made with the oil cooler mounted behind a mesh screen centered in the front spoiler/valance (as they had been with the previous Sonderwunsche Slant Nose cars built at Werke 1).
Moving the cooler to the rear of the M505 car allowed Porsche to avoid re-certifying the entire vehicle with the US DOT for crash-worthiness (the existing Turbo bumper/valance had already been approved). There were also liability concerns at the factory that a potential fire hazard existed if the front spoiler-mounted oil cooler was damaged in an accident.
Old 02-01-2009, 10:30 PM
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Re: Werk-I, I was referring to those vents. The info in this thread is great. Thanks, John
Old 02-02-2009, 08:21 AM
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Interesting thread.

not sure if this will help you or not but here is a link to the flachbau site for the 964 turbo S www.flachbau.com

As far as the last 930 turbo S. there is one here locally that I have seen that had some 36 or so pages of options. Apparently it took until 1991 to complete and deliver.

I am going off memory since I was there to see the owners one off 964 America GS. This 89 930 turbo S cab had some amazing options including everything covered in leather including the gauge faces with silk screened numbers and the same went for the gas filler flap with embossed Porsche crest and tire pressure gauge with leather pouch embossed and leather face with silk screened numbers. The top had a moisture sensor that would close the top and raise the windows if any rain was detected. Over $250k was spent on custom stereo and electronics special center console and all sorts of trick items. IIRC he said it took 54 cow pelts to complete the interior.

best of all it came with a magnesium adjustable boost knob that would bring the car safely over 500 hp from the factory and used many 959 parts including factory 6 speed tranny all documented. IIRC he said this was the only US delivered 930S with the oil cooler mounted in teh front bumper behind the screen.

Since this car was delivered so much later than all the others it might be considered the last built.

IIRC it had either 17 or 71 original miles on the odo.



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Last edited by Cobalt; 02-02-2009 at 09:20 AM..
Old 02-02-2009, 09:11 AM
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Thanks for the link Anthony. It's the type of site and info I would like to gather as part of starting a general Slantnose registry....GIves me lots of ideas...
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Old 02-02-2009, 09:22 AM
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Anthony,

I know that car as well as the 964.. both are amazing builds. Every interior screw head also covered in leather!

His 6 series Bimmer is none to shappy either.. cover car on the Roundel Magazine back in the 90's.

Paul
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Old 02-02-2009, 09:33 AM
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Quote:
Originally Posted by kilodawg View Post
Thanks for the link Anthony. It's the type of site and info I would like to gather as part of starting a general Slantnose registry....GIves me lots of ideas...
Good Luck

it is a big undertaking but well worth it for the enthusiasts.

Not to bring up 928's here but this is another registry that you can use as a guide. very well done and they were lucky enough to get production info from the Factory.

www.928registry.org
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Anthony PCA affiliate '77 member '83 '90 3.8 RS tribute, '93 964 C2, '93 928 GTS 5 speed, '94 Turbo 3.6, M '15 Boxster GTS18 Macan GTS
Gone worth mentioning '71 E '79 SC, '79 built to '74 3.0 RS tribute (2390 # 270 hp), '80 928 euro 5 speed, '74 2.0l 914, '89 944 S2,'04 Cayenne TT '14 boxster, '14 Cayenne GTS many others
Old 02-02-2009, 09:33 AM
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Quote:
Originally Posted by onboost View Post
Anthony,

I know that car as well as the 964.. both are amazing builds. Every interior screw head also covered in leather!

His 6 series Bimmer is none to shappy either.. cover car on the Roundel Magazine back in the 90's.

Paul
IMO he has the ultimate garage. The 964 color has to be the most incredible i have seen on any car and this is coming from a die hard Cobalt lover.

Too bad he used the 964 as a test platform for parts. In factory delivered condition it was such a unique car. Still a notable work of art but any car could have been used to put custom parts on.

I agree the M6 with the cellulose lacquer paint is amazing.
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Anthony PCA affiliate '77 member '83 '90 3.8 RS tribute, '93 964 C2, '93 928 GTS 5 speed, '94 Turbo 3.6, M '15 Boxster GTS18 Macan GTS
Gone worth mentioning '71 E '79 SC, '79 built to '74 3.0 RS tribute (2390 # 270 hp), '80 928 euro 5 speed, '74 2.0l 914, '89 944 S2,'04 Cayenne TT '14 boxster, '14 Cayenne GTS many others
Old 02-02-2009, 09:38 AM
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Quote:
Originally Posted by Cobalt View Post
IMO he has the ultimate garage. The 964 color has to be the most incredible i have seen on any car and this is coming from a die hard Cobalt lover.

Too bad he used the 964 as a test platform for parts. In factory delivered condition it was such a unique car. Still a notable work of art but any car could have been used to put custom parts on.

I agree the M6 with the cellulose lacquer paint is amazing.
Agreed on all points!! The paint on that M is flawless as is the interesting interior which I'm sure you know the story behind.

Think he is now doing the same with the Z8.. "using as a test platform for parts"

Amazing collection of cars.

P-
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Old 02-02-2009, 09:46 AM
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Believe this is another one of those early factory slopenoses. There are 2 running around Singapore, this and a black one I was about to buy, which I posted some time ago.

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Old 02-03-2009, 04:52 PM
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Hi Dave,

Are the last few factory pics hi-res versions also like the first group?

Thanks.


Quote:
Originally Posted by WERK-I View Post
One more photo from PCGB...

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Old 02-04-2009, 03:09 PM
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Quote:
Originally Posted by WERK-I View Post
Anyone know the color on this one? Looks alot like my tahoe blue 91.
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Old 02-04-2009, 03:39 PM
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Love the color....almost like the color of that slantnosed 89 Targa that one of the forum members keeps looking for...he sold it years ago to put his kids thru college, and now would like to find it. I'm partial to the blues, and this blue is enticing. Thanx for sharing.
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Old 02-04-2009, 05:56 PM
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Quote:
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I'm partial to the blues,.
So am I.. BB King, Stevie Ray Vaughn, etc..
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Old 02-05-2009, 07:40 AM
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Registry update......

For those of you have been following this forum, I just wanted to give you a quick update on my progress in trying to get PCA to approve a Slantnose registry.

I have been given a guarantee that the topic will be brought up at next weeks PCA winter board meeting so I should know something more in a week or so.

I also want to thank Cobalt for the links he provided. I think they show the type of project I would like to see completed.
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Old 02-05-2009, 10:11 AM
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Quote:
Originally Posted by onboost View Post
Anthony,

I know that car as well as the 964.. both are amazing builds. Every interior screw head also covered in leather!

His 6 series Bimmer is none to shappy either.. cover car on the Roundel Magazine back in the 90's.

Paul
You guys are talking about Robert Linton.

That garage itself is amazing. He designed the ducting system to vent out any fumes since he's involved in manufacturing carbon fiber pieces.

I've never seen pics of the 930Ss details, but the green/purple America GS was pretty cool, then he put all the cf and took it to another level. The man is extremely gifted at his craft.
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Old 02-05-2009, 02:09 PM
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