Automotive Technology


Hotchkiss Drive PDF Print E-mail

Tags: chassis | drivetrain | live axle | suspension

Written by Aaron Severson   
Sunday, 22 March 2009 00:00

Another term we have thrown around a lot that bears some explanation is Hotchkiss drive. This is a suspension layout very common on front-engine/rear-drive cars and trucks from the 1920s until the late 1970s, and still used on many pick-up trucks and SUVs.

Click here to read more about Hotchkiss drive suspensions

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The MacPherson Strut PDF Print E-mail

Tags: 1940s | 1950s | 1960s | American cars | British cars | Chevrolet | Ford | French cars | General Motors | suspension

Written by Aaron Severson   
Saturday, 31 January 2009 00:00
It's one of the most common suspension designs used on modern cars, found on everything from the lowliest Proton Savvy to the fearsome Porsche 911 Turbo. It's also frequently misunderstood and often misspelled. Thhis week, we will try to set the record straight about the origins and workings of the MacPherson strut suspension system.

Click here to read more about the MacPherson strut suspension
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The Basics of Turbocharging and Supercharging PDF Print E-mail

Tags: supercharging | turbocharging

Written by Aaron Severson   
Wednesday, 19 March 2008 13:44

By popular demand: a Q&A on supercharging (and turbocharging).

Click here to read more about turbochargers and superchargers

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Blew a Hole in the Hood of a Yella Corvette: An Explanation of Hood Scoops PDF Print E-mail

Tags: hood scoops | ram air

Written by Aaron Severson   
Wednesday, 05 March 2008 12:38

Even casual observers of things automotive have probably the curious tendency for certain sporty-looking cars to sport prominent, well, holes in their hoods. What are these scoops supposed to be for?

Click here to read more about hood scoops

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It's Systematic, It's Hydra-Matic: The World's First Automatic Transmission PDF Print E-mail

Tags: 1930s | 1940s | 1950s | Cadillac | General Motors | Oldsmobile | Pontiac

Written by Aaron Severson   
Wednesday, 14 November 2007 15:37

In our article on the Cadillac Sixty Special (q.v.) we mentioned that starting in 1941 Cadillacs could be equipped with automatic transmission, the first car in the luxury field to offer such a feature. The Cadillac was not the first car with automatic, though -- that distinction goes, surprisingly enough, to Oldsmobile.

Click here to read more about the origins of the Hydra-Matic automatic transmission

1942 Oldsmobile B-44 H-M badge
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