Cayman T Archives

Strut tower failures are a known issue on the 991 generations GT3s and the same-era GT4s. They typically occur from a sharp impact such as curbing at the track. I’m…

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Cayman T

Project 718 Cayman T: Part 13- How to Install a Numeric Shifter

Posted on April 6, 2025April 13, 2025
byKhiem Dinh

As I mentioned in Part 1, the factory shifter in the 718 Cayman T is not as good as the factory Honda S2000 shifter; I rated the GT4 shifter, which…

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Cayman T

Project 718 Cayman T: Part 12 – E-Motion Suspension Components and Track Update

Posted on January 12, 2025January 18, 2025
byKhiem Dinh

The stock suspension of the 718 Cayman does not have enough adjustment range for serious road course track work. You can’t get enough negative camber in order to prevent destroying…

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Cayman T

Project 718 Cayman T: Part 11 – DSC Sport V3 Controller

Posted on December 8, 2024
byKhiem Dinh

The Porsche SPASM suspension comes with electronically adjustable dampers. From the factory, you get Normal and Sport modes with Sport mode being much stiffer, of course. But why settle for…

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Cayman T

Project 718 Cayman T: Part 10 – RaggDoll Motorsport RENNEN Turbo Upgrade and Compressor Inlet

Posted on October 20, 2024December 7, 2024
byKhiem Dinh

The 4-banger turbo 718s haven’t gotten much love from the aftermarket because they are just the lowly 4-cylinder engines instead of the all-mighty 6-cylinders in the Porsche lineup. Those of…

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Project 718 Cayman T: Part 9 – GT4 Undertray Vanes and Water Pump Mod

Posted on July 7, 2024July 24, 2024
byKhiem Dinh

It was time to dig into the low-cost OEM+ upgrade goody bag again. Aerodynamics has become increasingly prevalent on cars straight off the showroom floor. Everyone can see the front…

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Project 718 Cayman T: Part 8 – BMC Air Filter

Posted on June 9, 2024June 16, 2024
byKhiem Dinh

I only have a bit over 3000 miles on the car, but I had some free time, so I figured I would go ahead and install the BMC air filter…

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Project 718 Cayman T: Part 7 – COBB Accessport

Posted on April 28, 2024April 29, 2024
byKhiem Dinh

The awesome thing about turbo cars is the ability to easily adjust the engine calibration for more power. Importantly for California, COBB provides off-the-shelf maps that have CARB EO numbers.…

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Project 718 Cayman T: Part 6 – Third Radiator, Center Grill, and GT3 Vent Installation

Posted on March 24, 2024
byKhiem Dinh

I did say I was going to tackle the suspension next in order to optimize tire usage, but life threw me a bit of a curveball. So, I decided to…

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Cayman T

Project 718 Cayman T: Part 5 – AP Racing by Essex Big Brake Kits

Posted on March 4, 2024
byKhiem Dinh

The stock 718 Cayman T brakes with Brembo calipers are the best stock brakes I’ve felt on any stock car that I have driven. However, they are not sized big…

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Project 718 Cayman T: Part 4 – Track Day Baselines

Posted on February 11, 2024
byKhiem Dinh

With 1400 miles on the car, the engine exercised through its full load and rpm ranges, and two oil changes in, I thought it was time to do some track…

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Cayman T

Project 718 Cayman T: Part 3 – Custom X-Pipe and Liftbars

Posted on January 21, 2024June 11, 2024
byKhiem Dinh

The 4-cylinder turbo engines in the 718 Cayman and Boxster are not that high strung, only pushing out between 300hp-365hp. So, Porsche did not have to optimize the exhaust tip…

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Project 718 Cayman T: Part 2 – Oil Change Mod, GT4 Scoop Install, and Increased Octane

Posted on September 24, 2023September 24, 2023
byKhiem Dinh

The 718 Cayman T is not the easiest car to do an oil change on. I did one modification to make doing an oil change quicker at least. The first…

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Cayman T

Project Cayman T: Part 1 – Intro and Must-Do Mods

Posted on September 3, 2023April 21, 2024
byKhiem Dinh

For all of those wondering why I sold Project S2000 shortly after I FINALLY got the turbo installed and running well, this is it: a 2023 718 Cayman T. The…