LIGHT TRUCK MODEL REFERENCE 1985 ROCHESTER 2 BC FOLLOW PROCEDURE OUTLINED BELOW TO DETERMINE CARBURETOR AND OR PART NUMBER 1 DETERMINE VEHICLE MODEL CHECK VIN DIVISIONAL CODE 2 DETERMINE ENGINE AND CARBURETOR TYPE 3 PART NUMBER CAN BE DETERMINED BY CROSS REFERENCING CORRESPONDING COLUMN NUMBER WITH SAME COLUMN NUMBER ON CHARTS VIN PRODUCTION DIV CODE USAGE COL NO 17085372 CT S1 2 8B W A T A C ZW9 FED NA5 1 17085370 CT T1 2 8B W A T A C CALIF NB2 L 2 17085369 CT T1 2 8B W M T CALIF NB2 EXC A C 3 17085371 CT T1 2 8B W M T A C CALIF NB2 4 17085358 CT S1 2 BB W A T A C CALIF NB2 L 5 17085357 CT T S1 2 8B W M T CALIF NB2 EXC A C 6 17085350 CT S1 2 8B W A T A C FED NA5 EXC ZW9 7 17085355 CT S1 2 8B W M T ALT NA6 8 17085351 CT S1 2 8B W M T FED NA5 9 17085359 CT S1 2 8B W M T A C CALIF NB2 T 10 17085362 CT T1 2 8B W A T A C FED NA5 11 17085367 CT T1 2 8B W M T ALT NA6 V 12 17085354 CT S1 2 8B W A T A C ALT NA6 4 13 17085360 CT T1 2 8B W AZT FED NA5 EXC A C 14 17085363 CT T1 2 8B W M T FED NA5 15 17085356 CT S1 2 8B W A T CALIF NB2 EXC A C 16 17085366 CT T1 2 8B W A T A C ALT NA6 17 17085352 CT S1 2 8B W A T ALT NA6 EXC A C 18 17085364 CT T1 2 8B W A T ALT NA6 EXC A C 19 17085368 CT T1 2 8B W A T CALIF NB2 EXC A C 20 17085348 CT S1 2 8B W A T FED NA5 EXC ZW9 A C 21 17085374 CT S1 2 8B W A T ZW9 FED NA5 EXC A C 22 17085370 CT T1 2 8B W A T A C CALIF NB2 23 17085369 CT T1 2 8B W M T CALIF NB2 EXC A C 24 17085371 CT T1 2 8B W M T A C CALIF NB2 25 17085367 CT T1 2 8B W M T ALT NA6 26 17085362 CT I T1 2 8B W A T A C FED NA5 Q 27 17085360 CT T1 2 8B W A T FED NA5 EXC A C 28 17085363 CT T1 2 8B W M T FED NA5 V 29 17085366 CT T1 2 8B W A T A C ALT NA6 30 17085364 CT T1 2 8B W A T ALT NA6 EXC A C 31 17085368 CT T1 2 8B W A T CALIF NB2 EXC A C 32 i 1990 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52S 3 725 a sz REV 10 90