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Editorials on the economy, technology, and lifestyle by Dr Jiulin Teng
Cover for post Transmission and Drivetrain Layout of a V12 GT—My Car Company 08
25 Jan 2026
Transmission and Drivetrain Layout of a V12 GT—My Car Company 08
Today, let us move onto the transmission as well as the drivetrain layout of Type 1, my mid-size superlight grand tourer.
Cover for post Designing the Fuelling, Cooling, and Accessories for a 3L NA 11.5k-rpm V12—If I Had a Car Company 07
23 Jan 2026
Designing the Fuelling, Cooling, and Accessories for a 3L NA 11.5k-rpm V12—If I Had a Car Company 07
Previously, I have delved into the short-block, cylinder head, and intake / exhaust systems of the 3L NA V12 PC301. Today, let us round out the deep dive with fuelling, cooling, and accessories.
Cover for post Designing the Intake and Exhaust for a 3L NA 11.5k-rpm V12—If I Had a Car Company 06
21 Jan 2026
Designing the Intake and Exhaust for a 3L NA 11.5k-rpm V12—If I Had a Car Company 06
Previously, I have discussed the design of the long block of the 3L naturally-aspirated V12 that I would build. Today, let us delve into the intake and exhaust systems.
Cover for post Designing the Cylinder Head for a 3L NA 11.5k-rpm V12—If I Had a Car Company 05
19 Jan 2026
Designing the Cylinder Head for a 3L NA 11.5k-rpm V12—If I Had a Car Company 05
Previously, I have explained the reasoning behind the design of the bottom-end of the 3L naturally-aspirated V12 that I would build. Today, let us move on to the cylinder head.
Cover for post Designing the Rotating Assembly for a 3L NA 11.5k-rpm V12—If I Had a Car Company 04
16 Jan 2026
Designing the Rotating Assembly for a 3L NA 11.5k-rpm V12—If I Had a Car Company 04
Today, let us move on to the rotating assembly of the 3L naturally-aspirated V12 engine that I would build if I had a car company.
Cover for post Designing the Engine Block for a 3L NA 11.5k-rpm V12—If I Had a Car Company 03
14 Jan 2026
Designing the Engine Block for a 3L NA 11.5k-rpm V12—If I Had a Car Company 03
Previously, I laid out the specifications of the PC301, 3L naturally-aspirated V12 engine that I would build if I had a car company. Today, let us delve into the details of the engine block.
Cover for post Designing the 3.0L NA 11.5k-rpm V12 Engine—If I Had a Car Company 02
12 Jan 2026
Designing the 3.0L NA 11.5k-rpm V12 Engine—If I Had a Car Company 02
As promised previously, today I lay out the specifications of the 3.0L NA V12 engine that I would build if I had a car company for the working enthusiasts.
Cover for post A New Automaker for Working Car Enthusiasts—If I Have a Car Company 01
10 Jan 2026
A New Automaker for Working Car Enthusiasts—If I Have a Car Company 01
What I would do if I had a car company today? This article talks about my motivations, the types of cars that I want to build, and what value this exercise brings to my readers.
Cover for post Ford 10R–GM 10L 10-Speed Automatic Transmission Deep Dive (10R80 / 10L80 and variants)
07 Jan 2026
Ford 10R–GM 10L 10-Speed Automatic Transmission Deep Dive (10R80 / 10L80 and variants)
The Ford-GM 10-speed is an evolution of the ZF 8HP that doubles down on the original’s gear train design and philosophy. Today, let us analyze its advantages and trade-offs and delve into how its gear train works.
Cover for post Toyota / Aisin AWR10L65 10-Speed Automatic Transmission Deep Dive (AGA0 /AJA0)
04 Jan 2026
Toyota / Aisin AWR10L65 10-Speed Automatic Transmission Deep Dive (AGA0 /AJA0)
The Toyota–Aisin 10-speed automatic transmission combines lessons from the Aisin 8-speed and ZF 8HP into one of the more compelling, elegant designs. Today, let us analyze its advantages and trade-offs and delve into how its gear train works.
Cover for post Mercedes 725.0 9G-Tronic Automatic Transmission Deep Dive (NAG3 / W9A 700)
01 Jan 2026
Mercedes 725.0 9G-Tronic Automatic Transmission Deep Dive (NAG3 / W9A 700)
Mercedes 725.0 9G-Tronic, aka NAG3, is one of the most advanced automatic transmissions for passenger vehicles today. Let us analyze the advantages and trade-offs of the 9G-Tronic and delve into how its gear train works.
Cover for post ZF 8HP 8-Speed Automatic Transmission Deep Dive
30 Dec 2025
ZF 8HP 8-Speed Automatic Transmission Deep Dive
The ZF 8HP represents both a major evolution in the philosophy of the 6HP and a considerable revolution in gear train design. Today, let us analyze its advantages and trade-offs and delve into how its gear train works.