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A Regular Production Option (RPO) is a 3-digit standardized code used by General Motors to designate vehicle options & modifications. RPO codes designate how a vehicle is built, and they've been used on dealership order forms and in assembly plants since at least the 1950s ( see Corvette C1 ).
The GM L3B engine is a turbocharged four-cylinder gasoline engine designed by General Motors. ... RPO code L2R 2023–present 231 kW (310 hp) @ 5600 RPM:
Additional RPO codes are LQM 175 hp (130 kW) and LQN 190 hp (142 kW). Changes were made by GM to the 6.5 in their light trucks for emissions or reliability improvement. The 1992–1993 model years used a 6.5-specific Stanadyne DB-2 mechanical injection pump. GM replaced the DB-2 with the electronic throttle DS-4 in 1994–2000 vehicles.
ZQ8 is an RPO code designation for the Chevrolet S-10, GMC Sonoma, and Chevrolet Colorado. Chevrolet S-10 and GMC Sonoma
The LS nickname has since been used to refer generally to all Gen III and IV engines, [14] but that practice can be misleading, since not all engine RPO codes in those generations begin with LS. [15] Likewise, although Gen V engines are generally referred to as "LT" small-blocks after the RPO LT1 first version, GM also used other two-letter RPO ...
The Vortec 2200 (RPO code L43) is an OHV straight-4 truck engine. This engine is equipped with secondary air injection, and is flex-fuel capable. It is entirely different from the Iron Duke, and was the last North American iteration of the GM 122 engine. The 2200 uses an iron block and aluminum two-valve cylinder head.
The 6.6L Duramax diesel engine (VIN code "L") is used on 2010 interim and 2011 Chevrolet Express and GMC Savana vans and 2011 Chevrolet Silverado/GMC Sierra HD trucks with RPO ZW9 (chassis cabs or trucks with pickup box delete). The LGH engine is rated at 335 bhp (250 kW) at 3,100 rpm and 685 lb⋅ft (929 N⋅m) at 1,600 rpm.
The "highrise spoiler", leather, and T-tops were not standard on the Trans Am GT cars in 1994, nor any year of the LT1 Trans Am. RPO code T43 "uplevel spoiler" was an option on all Trans Ams, and while the mass majority of 1994 Trans Am GT cars received the T43 spoiler (along with the majority of all 1993–1997 Trans Ams), it was not part of ...