The 1970 Chevy Corvette could be ordered with the competition-intended ZR1 package. This example, one of just 25 built, is ...

Selecting the ZL1 option also means spending more for mandatory upgrades, like a custom front and rear suspension, heavy-duty brakes, a G81 Positraction rear axle, and transistorized ignition.

The automotive program is cruising through its 75th year at Flathead High School. Going along for the ride have been ...

Classics never go out of style, especially when they're upgraded. A perfect example of this theory is the 1968 "pony car" ...

In the 1930s, Ferdinand Porsche commissioned German engineering firm ZF to create a differential that would ... the limited-slip diff (also known as a 'posi', or positraction, diff) helped cars ...

dropped front axle, Vega steering box, front disc brakes, 350 CID Chevy engine, TH350 automatic transmission and a GM 10 Bolt rear end posi unit. (Hilary Matheson/Daily Inter Lake) ...

Posi trac rear end repair, replacement or maintenance experts in the greater Jackson MS area, located in Florence, MS. We are a full service auto repair shop that can provide all auto repair and ...

The vehicle had a custom frame, a built-up 350-cubic-inch (5.7-litre) engine, three carburetors, 4.5-inch drop-front suspension, nine-volt rear-end Positraction (which pushes power to the wheels ...