1994-1996 Impala Ss 5.7 Lt1 Air Cleaner Intake Complete Roadmaster Fleetwood on 2040-parts.com

One Lap of the Web: Chevrolet, Caswell, custom Caterhams, crispy cars

-- Louis Chevrolet -- along with brothers Gaston and Arthur -- were race-car pioneers long before Billy Durant ever made them into the Heartbeat of America. Louis was driving the No. 7 Frontenac when it caught fire at Sheepshead's Bay, Brooklyn, in September of 1919.

The first SRT Viper is sold, we spot an exotic XTS, and the 2013 SVT Raptor offers more off-road fun, this week's Autoweek in review

The first SRT Viper crossed the block at Barrett Jackson in Orange County this past week, for a cool $300,000. All the proceeds will go to the Austin Hatcher Foundation, a charity to help families and children affected by pediatric cancer. While the Cadillac XTS hasn't been a stranger on public roads around Michigan, this heavily camouflaged example is a bit of a mystery.

Saab shutdown would doom new 9-5, 9-3 models

The new Saab 9-5 sedan and a proposed replacement for the 9-3 will be killed off if General Motors Co. winds down its Swedish subsidiary, AutoWeek has learned. The new 9-5, a longer-wheelbase version of the Opel Insignia and the Buick Regal, is poised to go down in the annals of automotive history as a major rarity--a design that was fully tooled for production yet never got built.