At some point during your development as a track driver you will want to find a way to measure your progress and collect data to analyze your driving. Early lap timers sensed a beacon placed along trackside to measure lap time. Sophisticated data systems used a variety of sensors placed on the engine and chassis to gather data. Today there is a large selection of devices using only GPS to gather lap times and, knowing speed and location, calculate lateral and longitudinal G-Force. ...
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One issue with the Cayman is the reflection of the upper dash in the windshield. If you haven’t noticed, stop reading now and don’t think about it again. It is naturally more pronounced with the lighter, sand beige, interior than darker colors. I found that swapping the forward most sand beige parts of the upper dash, called defroster trim, for black doesn’t completely eliminate reflections but does reduce them considerably. Parts are: left defroster trim 997 552 175 01 ...
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This article describes the installation of the Tarett Engineering rear strut mounts ( no affiliation ) shown below. Because this install was part of a suspension upgrade I had the struts already out of the car. There are many articles out there describing the strut removal process in a Cayman or Boxster if your struts are in place. Access to the top of the rear struts require a fair amount of interior trim removal. You will need an impact driver with 13/16 socket and a spring compressor for...
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The Cayman and the Boxster share the same chassis. One of the benefits of this is that the Cayman chassis includes the factory mounts used for the Boxster Roll Over Hoops. I believe that using the factory mounts is superior to bolting a roll bar to the floor. The Hergesheimer and new GMG roll bars use the factory mounts. I'm using the Hergesheimer bar but this article will also apply to the GMG bar. The Hergesheimer roll bar includes an all welded main hoop with a diagonal and harness...
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This article describes the installation of a new master cylinder. Thanks to Rob VN for the pictures. GT3 MC Part #: 99735591030 Note you can buy either the TRW MC or the Porsche MC. Both of these are the same but the TRW cost over $100. 1) Remove the plastic around the master cylinder (MC) by removing the 8 torx screws and jiggling it out.
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This article describes the installation of a set of Hella B133 horns into my 2007 Cayman. My car is on its third set of stock horns so I wanted try something better(?) now that the warranty has expired. This horn installation requires the bumper cover to be removed. I synced this project up with my CSF radiator install. The Hella kit comes with two horns and a horn relay. I used the relay not knowing the capacity of the Porsche horn relay. These new horns draw 11 Amps.... Here is the...
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This article describes the installation of three all aluminum radiators made by CSF ( no affiliation ) on my 2007 Cayman 2.7L. The radiators are welded things of beauty which promise to be more rugged than stock radiators and increase cooling capacity by 8 - 10% due to their design. There are three part numbers involved: CSF7047 Left Side Radiator CSF7048 Right Side Radiator CSF7049 Center Radiator Four fresh O rings on the radiator hoses: Two pieces P/N 99610680107 and two pieces...
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I purchased the Aerokit Front Splitters (2006 - 2008 987.1) from Suncoast to complement the Getty R/S rear wing that I had installed earlier. I received the LH and RH splitter, 6 expansion rivets, and an adhesive kit. No instructions were included but I contacted Suncoast and they emailed a PDF file of the Tequipment Aerokit Installations Instructions. This 19 page document primarily covers the installation of the rear wing but pages 17 & 18 cover the front splitters. The splitters...
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This article briefly describes the installation of a brake caliper stud kit supplied by Tarret Engineering ( no affiliation ) on the rear of my 2007 Cayman. The stud kit prevents stripping of the caliper mounting holes in the wheel bearing carrier. The studs are available in various lengths for different vehicles as shown here: http://www.tarett.com/items/986-987-products/986-987-engine~transmission~brakes~electrical/brake-caliper-stud-kit-bcsk-detail.htm The kit is shown here. The...
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The Cayman, as delivered from the factory, is one of the world's best handling sports cars but, like all road cars, has had some compromises in its suspension. When Porsche introduced models with enhanced performance such as the Cayman R and Boxster Spyder, suspension modifications were part of the package. Lower ride heights and higher anti-roll bar and spring rates were used in these models. The new X73 Sport Suspension option now available on 981 models includes those same changes. This...
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