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TurboKraft's Avatar
Join Date: Mar 2005
Location: Phoenix, AZ
Posts: 2,493
Porsche Crest Porsche 965 Turbo S Production : For Sale : Fair Market Value?

Asking $65,000 - Does this seem in-line with market value?

1989 Porsche 964 Carrera 4 : 3.8L Bi-Turbo S

PRIVATE SALE - eBay Listing: 330388039259

Engine Specifications
Full Engine Rebuild - Bottom and top end
All new engine bearings
New seals & gaskets
New belts & filters
Motorsport racing timing chains, new chain guide rails
Remanufactured Crankshaft - Standard/standard, cross-drilled, balanced
Remanufactured Connecting Rods -- Converted to SuperCup specs, blueprinted, new bushings, ARP fasteners
ARP head studs + washers + nuts
MAHLE Motorsport 3.8L (102mm) Piston & Cylinder Set with 8.0:1 compression
GT2 EVO Camshafts
Remanufactured rocker arms + all new rocker shafts with Motorsports seals
TurboKraft stainless Rocker Locks
Remanufactured cylinder heads (new guides & Viton seals) + high performance valve springs
Injectors cleaned & flow-balanced
All new 993 Turbo intake manifold sleeves (rubber connectors)
Oil tank removed, all 4 oil lines replaced
Engine has approximately 500 miles on fresh rebuild

Exhaust, Turbo & Fuel System
Stainless steel headers with heat exchangers, long-tube (big torque) equal length design
Free-flow stainless muffler with twin 2.5" tips + twin wastegate tips
Tial Wastegates
New GARRETT T04/T3 Ball Bearing Turbochargers
Electric gear-type oil scavenge pump
Protomotive full-width intercooler -- rear side re-fabricated to delete failure-prone factory rubber boot
Twin HKS Super Sequential Blow Off Valves
Bosch GT2 rear fuel pump

Engine Management System
AEM Engine Management System
Integrated 3D Boost Mapping
Full sequential injection
Twin ignition
Twin Lambda sensors
Twin knock sensors

Boost Mapping:
0.6bar (9psi wastegate springs only), 91-octane
404.7hp @ 5,914rpm - 9.07psi
394.0tq @ 5,028rpm - 8.76psi
9.33psi @ 6,474rpm peak

1.1bar (16.2psi), 91-octane
550.7hp @ 5,931rpm - 16.17psi
539.5tq @ 4,583rpm - 15.41psi
16.14psi @ 4,468rpm (max 16.17psi @ 5,928rpm)

1.35bar (19.8psi), 104-octane
657.4hp @ 6,021rpm - 19.74psi
650.8tq @ 4,816rpm - 19.74psi
19.87psi @ 4,738rpm peak

*All power measurements SAE with DYNAPACK AWD Chassis Dyno

Electrical System
New Ignition caps & rotors
Optima Gel battery
New starter
HID (Xenon) headlights

993 C4 6-speed AWD transmission + torque tube + front differential
GT2/GT3 RS Flywheel & Clutch Package: Replaces heavy dual-mass flywheel with 1-piece lightweight steel flywheel
- GT3 RS Flywheel and clutch hardware
- GT3 RS Starter ring gear
- GT3 RS Clutch disc with spring hub, smooth engagement
- GT3 RS SACHS RE Aluminum pressure plate cover
- GT3 RS Release bearing and guide tube
Porsche updated release fork & updated cross-shaft kit

Suspension Brakes Wheels
Sport Suspension System
BILSTEIN PSS-10 Coil-over Suspension System
MODE Front Upper Monoball Camber Plate Strut Mounts
MODE Rear Upper Monoball Shock Mounts
Front strut tower brace

Braking System
993 Twin Turbo "Big Red" Front Brakes
Brake system flushed and renewed with ATE "Super Blue" fluid

Wheels and Tires
FIKSE FM5 Wheel Set : 18 x 8.5 Front & 18 x 10 Rear
Bridgestone Potenza S-03 Tire Set : 235/40 Front & 275/30 Rear

Body Exterior & Interior
Turbo Wide-body Composite Fiberglass Flares
Custom front bumper with fog-light ducts & splitters
Turbo S rear fender ducts
Turbo S reproduction rear wing
Genuine Porsche Turbo rear bumper, polyurethane
Custom heat shields in rear bumper cutouts (prevent tips from damaging bumper)
New paint
New front windscreen glass, rubber trim
New engine compartment sound deadening pad

New interior carpeting
Custom door speaker pods
Airbag-delete steering wheel (no airbag on pass side in 1989 chassis)
Additional boost gauge
New radio
RS style rear seat delete
Power/manual seats - Manual for/aft and recline


Further information is available and included with this vehicle. Private sale, for our great customer. Worldwide delivery available.
Title clean and clear. eBay Reserve Price: $65,000.00 - Built and listed by TurboKraft, Inc. - eBay Listing: 330388039259
Chris Carroll
TurboKraft, Inc.
Tel. 480.969.0911
email: -
Old 12-18-2009, 10:10 AM
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Location: Mt Sinai , Long Island N.Y.
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I don't understand how you are referring to this car as a Production 965 Turbo S car. If in fact it is an authentic factory S2 car what you have done is hurt the value. However that is one bad ass car with looks to match. Is it worth $65k as a standard modified 964 or 965, yes absolutely! Personally I would go for a 993tt that is stock or mildly tuned. I happen to have a factory 965 turbo S (965 S2 IMSA supercar) engine in my stock looking 82' sc with a g50 and it scares the crap out of me. I cant imagine how fast that car your selling must be. Good luck and hold your price. Its worth more than 65k in my opinion.

Kurt Williams
Never drive faster than your gaurdian angel can fly.
82 SC w/965S eng and G50 6:1 hp/w ratio
72 911t 2.6 twin plug and 72' 911t 57k orig 1 own miles
65/66 912 1 owner 76k orig
01' Aston Martin DB7 V12 Vantage Coupe 6spd
Old 12-25-2009, 02:52 PM
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Registered User
TurboKraft's Avatar
Join Date: Mar 2005
Location: Phoenix, AZ
Posts: 2,493
Hi Kurt,
Thanks for your feedback.
You are correct that the underlying chassis is is not one of the very rare 91-92 Turbo S or Turbo S2 cars, or even a 1994 Turbo S.
The bodywork was built to emulate the 1994 Turbo S non-slant (splitter added to front end, ducts to replace the fog lights, rear quarter panel ducts, '94 Turbo S style rear wing).
Then engine is so much more than even a 993 Turbo S, making 550hp to all 4 wheels on 91-octane pump gas -- about 630hp at the flywheel.
Is a modified S worth less than a stock car? Sometimes. It depends. "Stock" does not equal "perfect" and the there's always room for genuine improvement -- something that makes the the driving experience better. For instance, it's had to argue that a set of good aftermarket headers isn't a huge improvement in driveability and performance over the standard Turbo heat exchangers. Other modifications don't improve a vehicle whatsoever, and I would argue then hurt the value of a car.
In the end, it's all up to the owner to decide. We have a genuine '94 Turbo S Slantnose in the shop getting a similar complete rework -- 3.8L EFI with turbocharger, gearbox modification, bigger brakes, full suspension... The owner likes the car, but obviously wants specific things reworked to satisfy him and how he uses the car. Do these modification hurt the value? Not to him, it doesn't.
Happy Holidays!
Chris Carroll
TurboKraft, Inc.
Tel. 480.969.0911
email: -
Old 12-28-2009, 01:24 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #3 (permalink)
Join Date: Jul 2005
Location: Queen City
Posts: 246
The value is what the market will bare. I think ebay keeps a pretty good pulse on things like this. FWIW, I dont think your going to get 60k despite the fact that it may have cost much more to build.
Old 12-29-2009, 08:28 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #4 (permalink)

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