993/996 “Turbo Look” Wheels and Tires $900

993/996 “Turbo Look” wheels and tires $900,

Pick up in Vancouver, WA or shipping available, extra costs

2 – 10Jx18, 993 362 140.04, ET65, Tires: Sumitomo HTZII, 285/30 ZR18 97Y, Mfg. dates 4017

2 – 7.5Jx18, 993 362 134.06, ET50, Tires: Sumitomo HTZII, 225/40 ZR18 92Y, Mfg. dates 4017 & 2716

Please contact Karl at [email protected] or 404-354-2975

Posted 1/17/2022


996tt Hollow Spoke Wheels 

For Sale: 996tt Hollow Spoke Wheels – $750 obo. Excellent condition genuine hollow spokes. Original finish, no curb rash or repairs ever. Bought from a Porsche dealer as take-offs from a new turbo many years ago. Used on my 993tt for around 15k miles. Verified straight when tires were removed. 8”x18” ET50 front, 11”x18” ET45 rear. A patient person should be able to sell them for a lot more. I need them out of my garage. Please contact David Gromlich at [email protected].

Posted 1/17


958 Cayenne Summer Tire and Wheel Set: 21″ 911 Turbo Design.

For sale: 958 Cayenne Summer Tire and Wheel Set: 21″ 911 Turbo Design.  Approximately 12k on the set. Wheel set is like new. Asking $4,500.
This set new today is $8,538.45.

My Cayenne sold with the winter set.  Summer set has to go.

Contact Rod Dodd for more information at 509.531.9275



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Bilstein Shocks and H&R Lowering Springs

For sale:
Bilstein shocks with stock springs plus a set of H&R lowering springs. Used for 4 years and 10,000 miles. Came off my 1996 993 C2 coupe. Buyer pays for shipping.

Asking $625.00.  Contact Alan Zucco at [email protected]



Posted 10/16


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911 Winter Performance Tires – Michelin Alpin PA4 20″ with tire covers – $1000 obo

Winter Performance Tires – Michelin Alpin PA4 20″ with tire covers – $1000 obo

I sold my 911 and no longer need these. About 3000 miles on them. No defects or repairs. They have either been on the car or in protected storage at the dealer since purchased. These came off a Porsche 911, so they are the N-0 rating.

Happy to meet in Portland or Seattle areas for local delivery.

Fronts: 245/35 R 20
Rears: 295/30 R 20

Please contact Eric Ceniceros at [email protected]


Posted 10/1

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Panamera Winter Tires

Calling all Panamera Owners: winter will be here soon!  Having recently sold my Panamera we have a set of “Almost New” top of the line Michelin Alpin Sport winter tires. Perfect for those with 20” wheels: Two: 255-40 R20 front tires and Two: 295-35 R20 rear tires with less than 1,000 miles of use on them over this last winter. Original cost was over $1,700 (including Warranty and Certs from Discount Tires).

I am offering them for only $450!  Please call Bob at 425-681-4549.



posted 10/1

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Eric Lewis, Tours Class

Eric Lewis, Tours Class

If you want to contact me please use the form below!     

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1999 Porsche 911 Carrera

Arctic Silver Metallic with Metropol Blue Leather Interior
This 996 has 69,700 miles with a Manual Transmission

No Accidents, Clean and Clear Title in Hand
Aero Exterior Kit with Power Sunroof and Tinted Windows
New Continental Rear Tires with newer Kendra front tires
Recent Oil and Filter change, Transmissions Service, New Battery
Factory tool kit, original owner’s manual, etc are included
Always Stored in my Garage, but not a garage queen as she loves to be driven! I have had it 4 years and I absolutely love this car and hate to let it go, but circumstances force me to let someone else enjoy it so my loss is your fun!

Has the IMS been replaced? Not to my knowledge, but I have never had any issues with the car as we are religious on oil changes and have them analyzed for metal with no issues.
Over $75,000 new and offered at just $21,996 OBO!

Contact Kirk at 541-490-6630 or [email protected] for additional pictures and details

Posted 11/2020

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Oil Leaks into The Great Abyss

Oil leaks on an air-cooled Porsche.

ORPCA was presented with a recent technical question: “I just had my Porsche in for servicing and was told my engine is leaking oil. But I’m not seeing any spots on the ground. Can you explain?”

Depending on the Porsche model, the origin of an oil leak, as well as its severity, we find that oil can travel many different paths towards the ground, but never actually hit the ground. As you can imagine, the higher the oil leak origin (ie top of engine bay vs bottom of engine bay), the more components a leak can drip onto as the leaking oil travels towards the ground. As well, once the oil leak drips onto a component, the path of the oil leak can then change, diverting the oil to a different area, away from the source of the leak. This can potentially make diagnosing some oil trails challenging, especially if the leaks are traveling down into the “great abyss.” What also makes tracing oil leaks challenging is when the leaks have been occurring for so long that oil has spread all over the bottom of the engine, transmission, and rearward. At times like this, the oil mess will need to be fully cleaned off, the engine heat cycled (and/or vehicle driven), then the source of the oil leak can be further investigated and pinpointed.

Newer water-cooled Porsches, especially a Panamera, Macan, or Cayenne, have plastic bellypans underneath the front-mounted engine as an aerodynamic aid and VERY minor protection from road grime/weather/debris. These bellypans will often catch most or all of the oil leaks and drips, unless the engine is gushing engine oil and overflows off of the bellypan. Therefore, you may never see a single drop of oil touch your garage floor. The only warning sign of an oil leak might be either oil consumption during your oil change period (i.e. having to add oil in between oil changes), and/or the smell of burning oil.

Burning oil brings up an important safety warning. What happens when hot oil contacts a hot exhaust component? Not a whole lot of good, that’s for sure. Is it possible for an oil leak to cause a fire? You betcha! This is certainly one of the worst-case scenarios for oil leaks, along with internal engine damage if the engine were to run out of oil. What other repercussions can occur from oil leaks? As mentioned above, when oil leaks onto other components, especially rubber components, it can cause the rubber to swell.  The rubber becomes squishy, and the rubber component degrades quicker. That means more repair costs. Speaking of increased costs, oil leaking onto the ground is simply money leaking out of your pocket, as you have to top up the engine oil level more often. In relation environmental impact, once the rains come, any oil leaking onto the ground will eventually make its way into the groundwater and/or sewer drains, leaching into streams and rivers.

Oil Drips.

What are the common oil leaks for some of the Porsche models? Working our way from newer to older models, both the Macan and Cayenne V6 are suffering from timing cover leaks. The front timing cover bolts are over-torqued at the factory, the bolts break off, then the covers leak. Below is a snapshot of the fun we’re having with one of these repairs right now.

Cayenne V6 timing cover leak repair.

We have found the 997.2 and 991-series 911s to be fairly dry thus far.

The 986 Boxsters and 996-series 911s have the infamous IMS (intermediate shaft) plate and/or RMS (rear main seal) leaks; see below for pictures of both of these issues. Also, we have seen issues with oil filler tubes, spark plug tube seals, valve adjuster solenoids, and occasionally a valve cover.

993 and 964 911s are similar in many respects as they share a similar design. Valve covers, timing covers, chain case gaskets, power steering pump drive seals are all issues that tend to occur at much lower mileage, because Porsche started to use rubber seals on a lot of these parts vs. regular “old” gaskets like on the earlier cars.

Common oil leaks on the early (pre-964) 911s include timing chain covers, valve cover gaskets, rear main seals, camshaft oil hoses, chain case gaskets, oil pressure switches, oil thermostat o-rings, and oil return tubes. On higher-mileage engines we start to see seepage from cylinder base gaskets, crankcase through-bolt o-rings. and even warped case halves on pre-‘78 air-cooled engines. Another couple of leak areas on early cars are the rear crank pulley seal and intermediate plate cover o-rings and gaskets.

Notice I mentioned the term “seepage” above. What is meant by oil seep versus oil leak? An “oil seep” would be considered a haze of moisture, more of a satin finish. No glossy finish, and no actual drips forming, thus a seep will never leave fluid on the ground, or transfer down to another component. A seep would transform into an “oil leak” when the fluid appears glossy, and/or it’s actively forming drips, which can make their way to the ground or onto other components. Compare these two pictures below;

Shows the IMS plate with an oil leak due to the glossy texture.

Shows the RMS with an oil seep, and the IMS plate is graduating from a seep to a leak.

Engine oil is the lifeblood of your engine. Just as if you had a cut on your body and were bleeding, you’d stop the bleeding, right? If you’re experiencing an oil leak, don’t let your wonderful Porsche bleed engine oil for an extended period of time; get it remedied promptly. Your Porsche will love you for it, as will the fish in our streams.

Note; we’re in eager anticipation to see if the Taycan exhibits any oil leaks from its engine. We might be waiting awhile. 😉

Please feel welcome to ask any questions.

Jeremy Williams is the Oregon PCA Technical Editor. He co-owns Matrix Integrated (https://www.matrixintegrated.cc/) with his brother Justin. Jeremy can be reached at [email protected]

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