TP72 ucl lr muck MODEL REFERENCE 1978 ROCHESTER 4BC Follow procedure outlined below to determine carburetor and or part number 1 Determine vehicle model check VIN DIVISION CODE 2 Determine engine and carburetor type 3 Part number can be determined by cross referencing corresponding column number with same column number on chart VIN PRODUCTION DN CODE USAGE OOL NO 17058201 CT C1 03 350L w M T exc F44 Calif 3 17058202 CT C1 03 350 w A T Fed exc A C F44 1 17058204 C T C1 03 350 wIAT A C Fed exc F44 2 17058213 C T C1 03 350 wIF44 exc Calif 6 17058213 C T C1 06 16 C2 03 06 C3 350 exc Calif 6 17058503 C T C1 350 w M T Calif 7 17058509 C T C1 03 350 w Alt exc A C F44 5 17058510 C T C1 03 350 w A C Alt exc F44 4 17058520 C T C1 03 454 w A C exc F44 Calif 9 17058521 C T C1 03 454 exc A C F44 Calif 10 17058213 C T C2 43 350 6 17058501 C T C2 03 454 wIM T M20 Calif 11 17058503 C T C2 03 350 wIM T MC1 M20 Calif 7 17058503 C T C2 06 350 w M T M20 Calif 7 17058506 C T C2 K2 03 06 350 wIAT Calif exc A C 12 17058508 C T C2 K2 03 06 350 w A T A C Calif 8 17058506 C T CK1 350 wIA T Calif M38 exc A C 12 17058508 C T CK1 K2 350 w A T M38 A C Calif 8 17058513 C T CK3 350 w Calif 13 17058212 C T C P2 3 454 exc Calif 14 17058512 C T P 454 w Calif 15 17058218 C T G1 350 w A T Fed exc AC 18 17058219 C T G1 350 w M T M15 Fed exc Calif 19 17058222 C T G1 350 wIA T A C Fed 20 17058518 C T G1 2 310 313 350 wIA T Calif exc A C Dual RR Whl 22 17058519 C T G1 2 350 w M T Calif 23 17058522 C T G1 2 350 wIA T A C Calif exc Dual RR Whl 21 17058586 C T G1 350 wIA C Alt 16 17058588 C T G1 350 w Alt exc A C 17 WAREHOUS NG Ann DISTRIBUTION DIVISION or GENERAL MOTORS CORPORATION LT Tauck sl REV 2 83 3 21 c 3 000 GROUP