6135 I I I V I T I CH EVRO LE MODEL REFERENCE I 1978 ROCHESTER 1BC Follow procedure outlined below to determine carburetor and or pan number 1 Determine vehicle model check VIN DIVISION CODE 2 Determine engine and carburetor type I 3 Part number can be determined by cross referencing I corresponding column number with same column number on chart I VIN I I PRODUCTION DIV CODE USAGE COL N0 17058014 1 B F X 250 wIA T exc A C Calif Non Integral Hd 2 17058020 1 B F X 250 wIA T A C exc Calif Non Integral Hd 1 17058314 1 B F X 250 wlA T Calif 3 I 17058013 1 F X 250 wIIVI T M15 4 17058032 1 T 1 6E wIA T A C Fed 5 17058034 1 T 1 6E w A T Fed exc A C 6 I 17058035 1 T 1 6E w M T Fed 7 I 17058042 1 T 1 6E w A T A C Alt 11 17058044 1 T 1 6E wIA T Alt exc A C 12 17058045 1 T 1 6E wIM T Alt 13 I 17058332 1 T 1 6E wIA T A C Calif 14 17058334 1 T 1 6E w A T Calif exc A C 15 I I 17058335 1 T 1 6E w MT Calif 16 I 17058036 1 T 1 6J w A T A C 1st Design 8 17058038 1 T 1 6J wlA T exc A C 1st Design 9 17058037 1 T 1 6J 2nd Design w A T exc A C 17 17058033 1 T 1 6J 2nd Design wIA T A C 18 17058031 1 T 1 6J wIM T 19 I I I GM PARTS DIVISION GENERAL MOTORS CORPORAT ON CHEVHOLET 10 I REV 9 80 ms c 3 000 GROUP r