“ Added performance pieces gave the Chevelle improved performance, yet it was mild enough for work-time traffic. Buyers could choose from two versions of the 375-horse engine. The primary difference was that the L89 included aluminum heads, shaving about 100 pounds from the weight of the vehicle.”
the January 1970 federal requirement by about four months.
All Super Sports were powered by Chevrolet’ s big-block. The base 325-horse engine, RPO L35, provided more than adequate performance along with the ability to be ordered with air conditioning. For those wanting more performance, the 350-horsepower version was available as RPO L34. Added performance pieces gave the Chevelle improved performance, yet it was mild enough for work-time traffic. Buyers could choose from two versions of the 375-horse engine. The primary difference was that the L89 included aluminum heads, shaving about 100 pounds from the weight of the vehicle. While not on the official option list, a 425 horsepower, 427 cubic-inch powerhouse was available but dealers were required to place the order via the Central Office Production Order( COPO).
The base transmission was a three-speed manual. Additionally, three versions of the Muncie fourspeed were available. The wideratio M20 provided the best package for the street. The close-ratio M21 kept the engine closer to its torque curve, and the close-ratio M22 was the ultimate if serious drag racing was the owner’ s goal. Chevrolet’ s two-speed Powerglide
“ Added performance pieces gave the Chevelle improved performance, yet it was mild enough for work-time traffic. Buyers could choose from two versions of the 375-horse engine. The primary difference was that the L89 included aluminum heads, shaving about 100 pounds from the weight of the vehicle.”
was canceled for 1969 and replaced with the stout three-speed Turbo HydraMatic trans.
Considering the long list of available performance and comfort options, the Super Sport catered to the masses, whether they wanted simple, low-cost performance or high-end luxury combined with performance. By the end of the model year over 86,000 were sold, making the Super Sport a bona-fide success for Chevrolet.
9