Protect-O-Plate
Build Month Decoder
Italicized dates are inferred from other proven dates.
Updated thru post 486
1967 CHEVROLET
1967 ATLANTA (VIN Code A)
7A146955 = TBD (post
327)
7A147787 = TBD (post
340)
1967 BALTIMORE (VIN CODE B)
7B111876 = 10/13/66 - 10/27/66 (post
257)
7B148429 = 06/67 (post
486)
7B150267 = TBD (post
366)
1967 FLINT (VIN Code F)
7F100017 = 08/66 (post
313)
7F150165 = 04/67 (post
246)
7F170501 = post-06/14/67 (post
260)
1967 JANESVILLE (VIN Code J)
7J125019 = pre-11/03/66 (post
207)
7J126336 = 01/05/67 - 02/02/67 (post
226)
7J131767 = 03/10/67 (post
280)
7J132287 = 02/22/67 - 03/10/67 (post
484)
7J141521 = 04/17/67 - 04/30/67 (post
245)
7J153724 = TBD (post
254)
1967 NORWOOD (VIN Code N)
1967 PONTIAC (VIN Code P)
1967 ST LOUIS (VIN Code S)
7S127823 = 12/12/66 - 12/31/66 (post
366)
7S129747 = pre-12/21/66 (post
232) Norwood?
7S148684 = 02/14/67 - 02/28/67 (post
486)
7S180588 = 05/19/67 - 05/31/67 (post
246)
7S188218 = 06/67 (post
244)
7S191154 = 06/16/67 - 06/30/67 (post
313)
7S191468 = 07/01/67 - 07/03/67 (post
484)
7S194748 = 07/67 (post
485)
7S195569 = TBD (post
252)
1967 TARRYTOWN (VIN Code T)
7T133403 = TBD (post
251)
1967 FREMONT (VIN Code Z)
7Z116048 = TBD
7Z119582 = 11/09 - 11/30/66 (post
432)
7Z119669 = 11/16/66 - 11/30/66 (post
285)
7Z120236 = 12/66 (post
436)
7Z121364 =
12/01/66 - 12/14/66; 12/66 (post
313)
7Z124195 = 12/14/66 (post
198)
7Z141056 = 03/67 (post 395)
7Z151494 = 04/28/67 (post
486)
7Z155862 = 05/18/67 (post
113)
7Z164945 = TBD (post
252)
1967 OSHAWA (VIN Code 1)
71109404 = 12/01/66 (post
167)
71112437 = 12/20/66 - 12/31/66 (post
227)
71115806 = 01/24/67 (post
277)
71117045 = 02/07/67 - 02/28/67 (post
245)
1968 CHEVROLET
1968 ATLANTA (VIN Code A)
8A110837 = TBD (post
240)
8A115646 = 10/12/67 - 10/31/67 (post
365)
8A123003 = 11/14/67 - 11/30/67 (post
435)
8A124970 = 12/67 (post
366)
8A134633 = 01/10/68 - 01/31/68 (post
301)
8A163982 = TBD (post
302)
1968 BALTIMORE (VIN CODE B)
8B110860 = 10/30/67 - 11/22/67 (post
352)
8B120095 = 02/09/68 (post
431)
8B141944 = 06/10/68 - 06/30/68 (post
301)
8B144457 = TBD (post
445)
1968 FLINT (VIN Code F)
8F103064 = 08/31/67
8F133264 = pre-01/16/68 (post
365)
8F150972 = TBD
8F167233 = 05/17/68 - 05/23/68 (post
226)
8F182366 = 07/68 (post
201)
8F186614 = TBD (post
340)
1968 JANESVILLE (VIN Code J)
8J113773 = 10/23/67 - 10/31/67 (post
484)
8J119920 = 12/67 (post
440)
8J155622 = 06/01/68-06/22/68 (post
354)
8J165465 = 7/68 (post
353, 50th Anny)
8J165647 =
07/01/68 - 08/06/68 (post
244, 50th Anny)
1968 NORWOOD (VIN Code N)
1968 PONTIAC (VIN Code P)
1968 ST LOUIS (VIN Code S)
8S107167 = 09/67 (post
254)
8S152871 = 02/68
8S159298 = TBD (pm’D info)
8S174755 = 03/22/72 - 03/31/72 (post
484)
8S215655 = 07/03/68 - 07/31/68 (post
311)
8S217868 = 07/05/68 - 07/31/68 (post
253 &
282)
1968 TARRYTOWN (VIN Code T)
8T119313 = 01/68 (post
235, oddity: Feb 1 engine date code)
8T130440 = TBD (post
286)
1968 FREMONT (VIN Code Z)
8Z115454 = 10/28/67 (post
394)
8Z115877 = 11/07/67 (post
57)
8Z119022 = 11/09/67 - 11/29/67 (post
283)
8Z120225 = 11/22/67 (post
406)
8Z135094 = 02/06/68 - 02/29/68 (post
201)
8Z135297 = 02/07/68 - 02/29/68 (post
220)
8Z139537 = 03/01/68 - 03/18/68 (post
481)
8Z141444 = 03/06/68 - 03/31/68 (post
213)
8Z145161 = 03/30/68 (post
423)
8Z152044 = 04/27/68 (post
482)
8Z153334 = 5/68 (post
211)
8Z164228 = 05/15/68 (post
290)
8Z170467 = 07/06/68 (post
69)
8Z170527 = TBD (post
256)
8Z170651 = TBD (post
271)
1968 OSHAWA (VIN Code 1)
1969 CHEVROLET
1969 ATLANTA (VIN Code A)
9A826017 = TBD
1969 BALTIMORE (VIN CODE B)
9B841005 = 02/69 (post
218)
9B852219 = 06/18/69 - 06/30/69 (post
312)
9B859442 = TBD (post
293)
1969 FLINT (VIN Code F)
9F821635 = pre-11/20/68 (post
369)
9F887168 = TBD (post
251)
9F894916 = 08/01/69 - 08/28/69 (post
436)
1969 JANESVILLE (VIN Code J)
9J822357 = 11/04/68 - 11/30/68 (post
254)
9J833042 = 12/14/68 - 12/31/68 (post
436)
9J861738 = 06/69 (post
264)
9J863777 = TBD (post
346)
1969 NORWOOD (VIN Code N)
1969 PONTIAC (VIN Code P)
9P706714 = pre-10/18/68 (post
225)
1969 ST LOUIS (VIN Code S)
9S834999 = 11/27/68 - 01/07/69 (post
226)
9S849096 = 01/23/69 - 01/31/69 (post
203)
9S436384 = 7/69 (post 106)
9S866625 = 06/24/69 (day 175 ?) (post
482)
9S893907 =TBD (post
347) Blazer
1969 TARRYTOWN (VIN Code T)
9T800240 = TBD
9T803331 = 09/68 (post
441)
9T815371 = 11/01/68 - 11/26/68 (post
220)
9T837073 = 06/01/69 - 06/19/69 (post
365)
1969 FREMONT (VIN Code Z)
9Z803903 = 08/26/68 (post
417)
9Z822722 = 11/01/68 - 11/14/68 (post
206)
9Z833099 = 12/68 (post
23,
287)
9Z833750 = 12/05/68 (post
185)
9Z833902 = 12/05/68 (post
185)
9Z834654 = 12/07/68 (post
181)
9Z839383 = 12/26/68 (post
329)
9Z845573 = TBD
9Z846389 = 01/16/69 - 01/31/69 (post
202)
9Z847546 = 01/27/69 (post
405)
9Z852XX1 = 02/17/69 (could be 2861 but not certain, post
219)
9Z853350 = 02/18/69 (post
353)
9Z870618 = 04/25/69 (post
440)
9Z873496 = 06/24/69 (post
302)
9Z895406 = 07/18/69 (post
185)
9Z898264 = TBD (post
252)
9Z902182 = TBD (post
349)
1969 OSHAWA (VIN Code 1)
91831177 = 02/69 (post
246)
91834699 = 05/69 (post
404)
91844029 = 04/18/69 - 04/30/69 (post
226)
91850653 = TBD (post
290)
1970 CHEVROLET
1970 ATLANTA (VIN Code A)
0A111498 = 11/24/69 - 11/30/69 (post
206)
0A116484 = 12/69 (post
118)
0A135688 = 03/25/70 (post
235, oddity: POP shows April build date)
0A145054 = 05/70 (pm)
0A152558 = TBD (post
231)
0A153566 = 06/70 (post
370)
0A153628 = 06/70 (post
259)
0A154638 = 06/19/70 - 06/30/70 (post
203)
0A158320 = 07/70 (pm)
0A158364 = 07/70 (post
94)
1970 BALTIMORE (VIN CODE B)
0B117972 = 11/69 (post
228)
0B131165 = 01/70 (pm)
0B132178 = 01/22/70 (post
301)
0B132633 = 01/23/70 (post
353)
0B132792 = 01/70 (post
181)
0B136658 = 02/70 (pm)
0B152770 = 05/70 (post
80)
0B158470 = 05/11/70 - 05/30/70 (post
202)
0B161933 = 06/02/70 (post
197)
0B163544 = 06/05/70 - 06/24/70 (post
404)
1970 FLINT (VIN Code F)
0F109307 = 10/69 (post
309)
0F128265 = 12/10/69 - 12/31/69 (post
364)
0F128831 = 12/11/69 - 12/31/69 (post
211)
0F135999 = 01/16/70 - 01/31/70 (post
300)
0F138669 = 02/70 (post
280)
0F166364 = pre-05/04/70 (post
208)
0F171100 = TBD (post
253)
0F177200 = TBD (post
327)
1970 JANESVILLE (VIN Code J)
0J105659 = 09/69 (post
157)
0J106770 = 10/69 (post
113)
0J110731 = 10/69 (post
165)
0J115052 = 10/69 (post
356)
0J122359 = 11/69 (post
485)
0J122962 = 12/69 (post
176)
0J131476 = 01/16/70 (post
192)
0J134374 = 01/70 (post
54)
0J136850 = 02/70 (post
54)
0J149058 = 04/70 (post
340)
0J151674 = 05/05/70 (post
287)
0J156787 = 05/27/70 (post
218)
0J165140 = 07/70
0J167591 = TBD (post
298)
1970 NORWOOD (VIN Code N)
1970 PONTIAC (VIN Code P)
1970 ST LOUIS (VIN Code S)
0S101341 = 09/69 (post
415)
0S103526 =
9/69; pre-10/03/69 (post
198)
0S107792 = 09/19/69 - 09/30/69 (post
206)
0S116401 = 10/69 (post
246, Blazer)
0S118657 = post-10/10/69 (post
299, Blazer)
0S120860 = 10/69 (post
118)
0S124408 = pre-12/24/69 (post
438, Steve McQueen's Blazer)
0S137585 = 12/05/69 - 12/31/69 (post
256, Blazer)
0S138XXX = 12/69 (post
94)
0S142568 = 01/70 (post
122)
0S145151 = 01/70 (post
85, Blazer)
0S153136 = 03/70 (post
207, Blazer)
0S155979 = 03/70 (post
223, Blazer)
0S157946 = 03/70 (post
228)
0S159628 = 03/70 (post
183, Blazer, repro sticker)
0S160333 = 03/20/70 - 03/31/70 (post
266)
0S161490 = pre-04/10/70 (post
201)
0S167442 = 05/70 (post
418, Blazer)
0S167734 = 05/70
0S168283 = 06/70 (post
168, VIN hard to read)
0S175768 = 06/70 (post
198, Blazer)
0S179038 = 06/27/70 - 06/30/70 (post
312)
0S179050 =
06/27/70 - 06/30/70; 06/24/70 - 06/30/70 (post
285, Blazer)
0S184023 = TBD (post
253)
0S186970 = TBD (post
256)
1970 TARRYTOWN (VIN Code T)
0T101909 = 08/18/69 - 09/30/69 (post
320)
0T110687 = 11/69 (post
14)
0T111207 = 11/19/69 (post
378)
0T124442 = 04/70 (post
362,
364) K_JR69's truck
0T126928 = 05/70 (post
90)
1970 FREMONT (VIN Code Z)
0Z100986 = 09/69 (post
285)
0Z102993 = 09/12/69 (post
78)
0Z10523X = 09/69 (post
402)
0Z106705 = TBD
0Z115828 = 10/69 (post
406)
0Z122653 = 11/12/69 (post
302)
0Z125651 = 11/21/69
0Z126461 = 12/69 (post
485)
0Z127814 = 12/69 (post
230)
0Z131758 = 12/69
0Z138502 = 01/20/70 (post
183)
0Z142468 = 02/70 (post
94)
0Z146137 = 03/03/70 (post
233, suburban)
0Z154606 = 04/09/70 (post
104)
0Z155555 = 04/13/70 (post
144)
0Z156282 = 04/70 (post
76)
0Z157223 = 04/70
0Z159273 = 05/70 (post
215)
0Z162963 = 05/70 (post
352)
0Z167860 = 06/70 (post
112)
0Z170363 = 06/70 (post
182)
0Z174383 = 06/70 (post
375, suburban)
0Z176448 = 07/01/70 - 07/18/70 (post
279)
0Z176604 = TBD (post
271)
1970 OSHAWA (VIN Code 1)
01105135 = 10/01/69 - 10/22/69 (post
225)
01108872 = 10/10/69 - 10/31/69 (post
312)
01110606 = 10/28/69 (post
305)
01114109 = pre-11/29/69 (post
293)
01121369 = 12/17/69 - 12/31/69 (post
279)
01134504 = 03/70 (post
482)
01138989 = 04/70 (post
405)
01142035 = 04/22/70 - 04/30/70 (post
369)
1971 CHEVROLET
1971 ATLANTA (VIN Code A)
1A611408 = 02/71 (post
307)
1A631595 = 05/71 (post
434)
1A643465 = 06/18/71 - 06/30/71 (post
246)
1971 BALTIMORE (VIN CODE B)
1B608056 = 12/70 (pm)
1B620133 = 01/22/71 (post
233)
1B623452 = 02/71 (post
262)
1B626878 = 02/17/71 (post
271)
1B638453 = 04/71 (post
198)
1B639572 = 04/14/71 (post
312)
1B646308 = 05/71 (post
365)
1B646972 = TBD (post
251)
1B650804 = 06/11/72 (post
481)
1971 FLINT (VIN Code F)
1F614895 = 12/70 (post
266)
1F616077 = 12/70 (post
307)
1F627313 = 02/01/71 - 02/26/71 (post
305)
1F636573 = 03/71 (post
391)
1F645565 = 04/28/71 - 04/30/71 (post
433)
1F646776 = 05/07/71 - 05/28/71 (post
280)
1F647787 = 05/71 (post
105, suburban)
1F654299 = 06/15/71 - 06/25/71 (post
283, Blazer)
1F807124 = 03/71 (post
222)
1F811266 = 03/24/71 - 03/31/71 (post
486)
1F813769 = 04/71 (post
314)
1F833354 = 06/71 (post
219)
1971 JANESVILLE (VIN Code J)
1J603903 = 08/06/70 - 08/31/70 (post
298)
1J608337 = 12/70 (post
296)
1J618699 = 01/71 (post
280)
1J623881 = 02/71 (post
123)
1J624750 = 03/71 (post
21)
1J628302 = 04/71 (post
230)
1J629424 = 04/71
1J632340 = 04/71
1J634982 = 05/71 (post
481)
1J636456 = 05/71 (post
322)
1J636607 = 05/71
1J637325 =
05/71 (post
364)
1J637889 = 05/27/71 (post
404)
1J643533 = 06/71 (post
482)
1971 NORWOOD (VIN Code N)
1971 PONTIAC (VIN Code P)
1971 ST LOUIS (VIN Code S)
1S600496 = TBD (post
344, 348) member 68ls1's Blazer
1S602892 = 08/17/70 - 08/31/70 (post
282, Blazer)
1S615768 = 12/70 (post
364)
1S622914 = 01/71 (post
102)
1S626783 = 01/71 (post
230, Blazer)
1S637205 = 02/71
1S655198 = 04/71 (post
371, Blazer)
1S655506 = 04/71
1S656826 = 04/14/71 - 04/30/71 (post
282)
1S662092 = 05/71 (post
347)
1S664890 = tbd (post
209)
1S665919 = 05/71 (post
420)
1S667955 = 06/71
1S673638 = 06/14/71 - 06/30/71 (post
261)
1S675017 = 06/71 (post
217)
1S676039 = 07/71 (post
432)
1S678289 = TBD (post
252)
1971 TARRYTOWN (VIN Code T)
1T614733 = TBD (post 379)
1T617829 = TBD (post 389)
1971 FREMONT (VIN Code Z)
1Z602191 = 08/70
1Z603538 = 08/70
1Z606597 = 09/70 (post
239)
1Z607965 = 09/03/70 (post
334)
1Z609628 = 12/70 (post
273)
1Z611092 = 12/09/70 (post
290)
1Z611333 = 12/10/70 (post
22,
77)
1Z613045 = 12/16/70 (post
431)
1Z615733 = 12/29/70 (post
218)
1Z616941 = 01/05/71 (post
74, suburban)
1Z618693 = 01/09/71 (post
375)
1Z619551 = 01/12/71 (post
55)
1Z620254 = 01/14/71 (post
222)
1Z620934 = 01/16/71 (post
431)
1Z622515 = 01/21/71
1Z624290 = 01/27/71
1Z628194 = 02/10/71 (post
181)
1Z629816 = 02/71 (post
259)
1Z632585 = 03/71 (post
429)
1Z634510 = 03/09/71 (post
34)
1Z635488 = 03/11/71 (post
436)
1Z638343 = 03/15/71 - 03/31/71 (post
228)
1Z639337 = 04/71 (post
222)
1Z640531 = 03/31/23 (post
438)
1Z640823 = 04/71 (post
212)
1Z643246 = 04/08/71 (post
163)
1Z643402 = 04/13/71 (post
433)
1Z645301 = 04/17/71 (post
412)
1Z646836 = 04/71 (post
265)
1Z649536 = 04/30/71 (post
419,
423)
1Z652446 = 05/71 (post
261, suburban)
1Z653410 = 05/14/71 (post
440)
1Z654372 = 05/19/71 (post
352)
1Z654520 = 05/19/71 *serial number is within 10
1Z654527 = 05/19/71 (post
435)
1Z655380 = 05/71 (post
79)
1Z657051 = 05/28/71 (post
60)
1Z663098 = 06/21/71 (post
7)
1Z663775 = 06/23/71 (post
329)
1Z664029 = 06/71 (post
44)
1971 OSHAWA (VIN Code 1)
11603988 = 09/70 (post
367)
_______________________________________________________