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RPO decoder (for newer vehicles). Beginning as early as 1967, [2] and to all their models since 1984, GM attached a Service Parts Identification (SPID) label. The label is most often located on the back of the glovebox door, on the inside of the trunk lid, or on the bottom of the spare tire cover.
Download QR code; Print/export ... ZQ8 is an RPO code designation for the Chevrolet S-10, GMC Sonoma, and Chevrolet Colorado.
An updated 4L60E, the 4L65E (RPO M32), was phased in the 2001 model year when coupled behind the 6.0 Vortec. Five-pinion front and rear planetaries, along with an additional 3/4 clutch allowing 7 clutches in the input housing and induction hardened input shaft assembly, were improved to withstand up to 380 ft⋅lb (520 N⋅m) of torque.
When GM management eventually withdrew their support of the ban, Duntov and his colleagues created "RPO Z06" as a special performance equipment package for the Corvette. The Regular Production Option (RPO) was a GM internal ordering code designation. The package was specifically designed for competition-minded buyers, so they could order a race ...
In 1986, the 4.3 L (262 cu in) engine used in passenger cars saw an increase in power to 140 hp (104 kW). This engine remained unchanged until 1990 when it was last used in taxi (RPO 9C6) and police (RPO 9C1) Chevrolet Caprices. In 1986, the Chevrolet Astro and GMC Safari vans used the fuel-injected LB4 instead of the LB1.
GM's Automatic Safety Transmission (AST) was a semi-automatic transmission released in 1937. The first mass-produced fully-automatic transmission developed for passenger automobile use was the GM Hydramatic introduced in 1940. [1] The Hydramatic was a big success, and had been installed in the majority of GM models by 1950.
From 1994 to 1996, the detuned 260 hp (190 kW) LT1 350 c.i. engine found on the fourth generation Chevrolet Corvette was a popular option on the 9C1 (the 4.3 V8 (RPO L99) being standard for police agencies looking for a more fuel efficient option), and standard equipment on other GM B/D-bodies at the time such as the Chevrolet Impala SS, Buick ...
Between 1966 and 1969 the L78 was the highest-horsepower engine available in Chevrolet's intermediate line via a Regular Production Option (RPO). Despite this, in 1969 an L72 427 cu in (7.0 L), 425 hp (317 kW) engine could be ordered in an intermediate via a Central Office Production Order (COPO).