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914-4 conversion to 914-6 GT Project

914-4 conversion to 914-6 GT Project

914-6 GT Complete Build-001 914-6 GT Complete Build 914-6 GT Build 914-6 GT Build Flares being installed 914-6 GT Clone Build 914-6 GT Build flares being installed 914-6 GT Build 914-6 GT Build 914-6 GT Build 914-6 GT Build 914-6 GT Build 914-6 GT Build CR 914-6 GT 914-6 GT Build 914-6 GT Build 914-6 GT Build

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Uncategorized

Callas Rennsport Change!

For the first time in 20 years, in an effort to handle our clients more expediently and just improve our overall quality, we added/moved one of our most valued technicians, Casey Gervig, into a “Service Adviser” position. We have purchased all new computers (network) and actually are converting from a DOS to Windows based operating system (most of you will laugh). We are also updating our automotive service system to the new Scott Systems Maxx Traxx software. Needless to say, we are now looking to hire a new automotive technician to fill this void. Callas Rennsport is immediately growing and accepting resume’s for this new position. With Tom Prine and Kelly Callas in our main office, Tony Callas and Casey Gervig in our shop office, 4 master technicians, 1 apprentice technician and 1 helper out in the shop. 10 individuals that still offer personal, detail-oriented service in this fast-paced world. Thank you for your support, and we lo ... read more

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News and Updates

Living with the M96 Engine and the IMS

Today we know that the IMS (Intermediate Shaft Bearing) has been a major cause of concern for owners of 986/987 Boxster and 996/997 Carreras. It is generally accepted that far fewer problems are being experienced with the M97 engine, but that said, there have been IMS bearing failures in M97 engines also. Unfortunately, the IMS bearing in the later M97 engines cannot be easily replaced like in the M96; the later M97 requires complete disassembly of the engine for IMS replacement. One of the main concerns relative to these later M97 engines is how the factory’s larger IMS bearing will hold up over the long term when the miles driven get well beyond that of the 100,000 mile mark. The potential for serious engine issues is not something new for those of us that have owned 911’s over the years. For those who have, it is likely you are aware that there have been multiple problem areas with these engines. Oil leaks for all years. The cylinder head studs in the 1975-1989 911’s. The ... read more

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Uncategorized

Porsche Clutch Systems 101

Manual gearboxes have always been synonymous with Porsche. Although the Sportomatic, Tiptronic and currently the PDK automatic transmissions are great and have a loyal following, there is just something really cool about working the clutch and shifting through the gears in a Porsche. Every car with a manual gearbox includes a clutch at no additional cost, well at least initially. We are often asked how one knows when a clutch is worn out or going bad. Generally, this can be dependant on a number of factors and in some cases when the vehicle was manufactured. For example, all Porsche’s that have a clutch cable, if there is no more adjustment length on the cable available, and the clutch is slipping; it is time for a clutch replacement. Porsche has not utilized a clutch cable since model year (MY) 1986, so that method of diagnosis is only applicable to that year and earlier models. Starting in MY 1987, Porsche utilized a hydraulically actuated clutch ... read more

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Transmission

Finding the Right Independent Repair Shop for You and Your Automobile

At some point in time, every Automobile will require service and or repairs. If you are a trained Technician or a qualified mechanic with the tools and available time then, problem solved. For everyone else, it is necessary to find a service facility that will meet the needs of your Automobile and insure your own piece of mind that the work performed is done competently and correctly. Finding the right Shop can be a difficult proposition but here are a few things that can make this tedious process a little easier. We suggest that some of the following questions may perhaps help: How long has the shop been in business, particularly under the same ownership? In detail, how long is the shop’s warranty on the work performed and what does it cover? How are the shops ratings on the various forums and search results (Yelp, Yahoo, Rennlist, etc)? For the work being performed will the shop utilize factory ge ... read more

Categories:

Maintenance

The next Generation Porsche Diagnostic Tester

The next Generation Porsche Diagnostic Tester

The history of Porsche diagnostic testers basically all started with the Bosch D-Jetronic fuel injection system tester for the 914 in the early 70’s. Then we received the 9268 digital output fault code reader in 1987 which would present the technician with an actual fault code number. The retrieved fault code corresponded to different conditions or problems recorded by the cars on board computer. The 9268 was intended to interface with the newly designed 16 valve 944S and 928 S4. This was eventually replaced by the 9288 nicknamed the Bosch Hammer because it was in the shape of a hammer, codenamed the PST-1 (Porsche Systems Tester-1) computerized diagnostic tester, circa 1989. The 9288 was mainly designed to interface with the 1989-on 964’s (911) and had to be capable of performing a “system adaptation” which was to reset all the controllers, much like a computer reboot. Later this procedure became known as a “vehicle handover”. Following the 9288 Hammer, Porsch ... read more

Automotive Electrical System, Part 1

As automobile electrical and charging systems have become more complex, the battery has had some difficulty following suit. The standard automotive lead acid battery has remained relatively unchanged since its inception. Today’s automotive electrical systems are becoming too de­manding for anything other than a modern AGM (Absorbed Glass Matt) battery. 2005 and later Porsches, such as the 9PA (Cayenne), the sports cars i.e. 987 (Boxster and Cayman) and 997 (911) and now (espe­cially) the new 970 (Panamera) operate using CAN (Controller Area Network) type bus systems that allow advanced communications between and within the many systems in the vehicle. The CAN-bus system is intended to share information and operational responsibility between controllers and control units that can be physi­cally located in different areas of the car. With all of this in mind, we often forget about the stringent demands the electrical charging system and battery are ... read more

Categories:

Electrical

959 Valve Cover reseal

959 Valve Cover reseal

IMS Guardian, Part 2

Up until now there has been no way to determine the condition of the IMS bearing without removal of the transmission and associated components to perform a direct inspection of the bearing. Due to the time and expense necessary to gain access to the IMS bearing, it is generally considered best to remove and replace it regardless of its condition as a preventive measure. The IMS Guardian is sold as a complete system. The package includes a wiring harness, electronic circuitry box with audio buzzer, all wiring connectors, an LED warning light/test switch, the MCD sensor, installation instructions and a step by step Installation DVD. The installation is straight forward and made relatively easy by the details available in the manual. It appears that Raby Engine Development has done the hard work of thinking through the process and has designed a product that is easy to install and operate. Someone that works on their own car and can follow electrical w ... read more

Automotive Shock Absorbers

Automotive Shock Absorbers

Shocks are designed not just to dampen out the road bumps and irregularities. Most think the weight of the car is keeping the wheels (tires) on the ground when the automobile is in motion but in all actuality it is the shocks and suspension. Often you might be driving down the freeway and notice that the car next to you has one of the wheels bouncing excessively, this is usually caused by a faulty or worn out shock absorber(s). Every split second the tire isn’t firmly planted on the ground, the vehicle is not is complete contact with the road. There are accidents every day that are caused by worn out or faulty shock absorbers. After an accident, the reason for the loss of control is never determined or most don’t worry about this, they just take the blame onto themselves for their lack of car handling skills when all along the suspension was far from adequate. There are a few ways to determine the condition of the shocks. First you can drive the car paying s ... read more

Categories:

Suspension
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