Sunday, August 05, 2012

those damn Chevy engine reference codes I've never learned

L36 390 hp 427
L37 375 hp 396 (1965 Z16 Chevelle)
L48
L68 400 hp 427
L71 435 hp 427
L72 425 hp 427
L78 425 hp 396
L79 350 hp 327
L88 480 to 560 hp 427 only 60 pounds heavier than the L79 (327) but with 130 more hp, it cost $950 more
L89 aluminum heads on the L88 only 16 sets made
the 36 gallon fuel tanks for the coupe were only made in 2 corvettes

L84 mechanical fuel injected 327  360 hp
LT1 370 hp 350 with solid lifters and a carb until 1972, then 255 hp

ZL1 was a special L88, in 1967 20 were made, in1968 80 were made, in 1969 116 were made. 69 went to Gibb Chevy for Camaros, and Duntov got 2 put into customers cars, 1 for his developement mule, and 3 in engineering cars

ZR1 stands for Zora Racer 1.0 (1970-71) this was a drivetrain package with the LT1 engine, M22 trans

ZR2 Zora Racer 2.0 (1972)

LS5 365 hp 454 (1970-71)
LS6 425 hp 454 (1970-71)

8 of the ZR1 LT1 packages were made
12 of the ZR2 LS6 packages were made
Both were heater and radio delete for racing

If anyone knows a source for more of these codes and what they meant in simple terms, please email me a llink at jbohjkl@yahoo.com 

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