Even used C8s have barely lost any value, making these sports cars some amazing alternatives for gearheads on a budget.

The 1969 Chevelle COPO was another GM muscle car born out of a desire to get around GM's 400-cubic-inch limit. The result was one of the coolest muscle cars of 1969, and one of the rarest of all time.

The truck rolled off the production line with a 454-cubic-inch gas engine with a Turbo 400 transmission. They swapped in a rebuilt 24-valve Cummins diesel power plant that produces around 260 ...

General Motors is recalling more than 90,000 vehicles over a transmission control valve issue that can cause tires to lock up, the National Highway Traffic Safety Administration said. The problem ...

Rebuilt Chevy Turbo 400 Transmission: $1899.00 This is for a completely rebuilt turbo 400 for Chevy bell housing This rebuild includes all new steels, clutches, molded pistons, seals, gaskets, as well ...

While the 301 Turbo engine was rated at 210 horsepower, which was just 10 hp less than the 220 horsepower rating of the 400 cubic inch big block V8 that was dropped in 1979, it turned out that ...

Leveling up to the H.O. tune, which is exclusive to the 3500, means 400 ponies and 1,075 pound-feet (1,458 Nm). Not surprising in the least, GM ranks dead last in this department with its long ...

The turbo Bird must carry around its old, heavy body for two more model years in spite of the fact that all the medium-to-big engines fit for this sort of duty are out of production. Faced with ...

$8 turbo 400 hop For the price of the trans pan, valve body, and separator plate gaskets, the firmness and quickness of GM Turbo 400 upshifts and downshifts can be dramatically improved, according ...

Was GM’s 4L80E automatic a completely new design? GM 4L80E four-speed automatic transmission | GM The 4L80E was a stouter 700R4. It, in turn, was a TH400 three-speed Turbohydramatic transmission but ...

ZZP Performance Chevy Sonic features an EFR6258 turbo and a built engine, resulting in 400 horsepower and the ability to run the quarter mile in 11.5 seconds.