Does this help any? Dooner '64 Belvedere First Digit = Car Make 1=Valiant slant-6, Barracuda slant-6 2=Plymouth slant-6 (64) / Dart slant-6 (65) 3=Plymouth V8 (64) / Belvedere slant-6 (65) 4=Dodge slant-6 (64) / Coronet slant-6 (65) 6=Dodge V8 (64) 7=Dart slant-6 (64) D= Dodge (65) L= Dart V8 R= Belvedere V8 (65) V=Valiant V8 / Barracuda V8 W= Coronet V8 (65) Second Digit = Series Number1=Valiant V100, Dart 170, Belvedere 1 (64), Coronet Deluxe (65), 330 (65), Savoy (64), Polara (65)
2=Belvedere (64), 440 (64), Polara (65)3=Valiant V200, Dart 270, Belvedere II (65), Coronet 440(65), Fury (65), Polara (64) 4=Valiant Signet, Barracuda (64), Dart GT, Satellite (65), Coronet 500 (65), Sport Fury (65) 5=Valiant V100 wagon, Dart 170 wagon, Belvedere I(65), Coronet wagon (65), Savoy wagon (64), 330 wagon (64)
6=Belvedere wagon (64)7= Valiant V200 wagon, Dart 270 wagon, Belvedere II wagon (65), Coronet 440 wagon (65), Fury wagon (64)
8=Barracuda (65), Belvedere Taxi (65), Coronet Taxi (65) 9=Belvedere Police (65), Coronet Police (65) 0=Belvedere Super Stock (65), Coronet Super Stock (65) Third Digit=Model Year 4=1964 5=1965 Fourth Digit=Assembly Plant 1=Lynch Road, Detroit MI 2= Dodge Main, Hamtramck MI 3=Jefferson Ave, Detroit MI 4=Belvidere IL 5=Los Angeles, CA 6= Newark DE 7=St Louis MO 9= Windsor, Ont. Canada Fifth thru Tenth Digits=Production Number Sequential Production number starting with 100001 Engine Paint Colors 1964 225 Six All----------------------Red Mopar Paint P4349218 1964 273 V8 - LA All------------------Red Mopar Paint P4349218 1964 318 Poly All---------------------Red Mopar Paint P4349218 1964 361 V8 All-----------------------Turquoise Mopar Paint P4120752 1964 383 V8 All-----------------------Turquoise Mopar Paint P4120752 1964 413 V8 All-----------------------Turquoise Mopar Paint P4120752 1964 413 V8 Race Engine Race only-----Orange Mopar Paint P4120751 1964 426 HEMI Race only---------------Orange Mopar Paint P4120751 1964 426 V8 All-----------------------Turquoise Mopar Paint P4120752