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Bob
Bob, Auto Tech
Category: Chevy
Satisfied Customers: 4087
Experience:  Plus 40 years GM, over 30 certified with Chevrolet, ASE certified Master Tech. (Expired, Retired)
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How to decode the number on a chev inline 6 engine for the

Customer Question

How to decode the number on a chev inline 6 engine for the year it was made
Submitted: 5 years ago.
Category: Chevy
Expert:  Bob replied 5 years ago.

HelloCustomer for some reason it seems to be harder to find info on the in line 6's than it does on the V8's. I don't know if it is because they were not as popular or what the reason may be. Below is a partial list of some of the stuff that I have that may or may not help you. If it does, great. If not, why don't you post the numbers you have and the locations of those numbers and we will go from there. Thanks

 

 

"Cyl" is "Cylinder"

"C.I.D." is "Cubic Inch Displacement"

"#" is "Number"

"mains" is "Main Bearings"

KEY TO LIST [left to right]:

Engine Casting #, Make, Year, [# XXXXX C.I.D., # XXXXX] Possible Stamped Serial; Numbers

14001133 Chevrolet 76-80 292 =3D 7

(NNN) NNN-NNNNChev 36 ? 37

1970 Chevrolet 64-67 292 =3D 7

(NNN) NNN-NNNNGMC 46-54 200, 270 =3D 4(NNN) NNN-NNNNGMC 52-54 302(NNN) NNN-NNNNGMC 55-62 248, 302(NNN) NNN-NNNNGMC 55-63 270(NNN) NNN-NNNNGMC 55-62 302(NNN) NNN-NNNNGMC 55-63 270 =3D 4m

289890 Chevrolet 63-77 292 =3D 7

327773 Chev 490; Superior 1922-24 171-4cyl

328518 Chevrolet 73-77 292 =3D 7

328572 Chevrolet 73-76 250 =3D 7

328575 Chev/Buick/Olds/ Pontiac 68-84 250 =3D 7

328576 Chev/Buick/Pontiac 68-76 250 =3D 7

328578 Chevrolet 73-84 292 =3D 7

328880 Chevrolet 63-77 292 =3D 7

329990 Chevrolet 63-77 292 =3D7

348532 Chev 28 171 =96 4cyl; =3D3

348709 Chev 27 171 =96 4cyl; =3D3

352194 Chevrolet 73-84 292 =3D7

358825 Chevrolet 66-76 250 =3D 7

(NNN) NNN-NNNNChevrolet 50-52 235 =3D 4

364909 Chevrolet/Olds 75-79 292 =3D 7

(NNN) NNN-NNNN Chev 41 235 =3D 4m

366855 Chev/Buick/Olds/ Pontiac 66-84 250 =3D 7

(NNN) NNN-NNNNChevrolet 50-51 235 =3D 4; PG HDA, HDM , HEA, HEM; JDA=,

JDM, JEA, J EM

(NNN) NNN-NNNNChevrolet (51?);; 50-52;235(NNN) NNN-NNNNChevrolet (50?);; 50-52 Truck; 235(NNN) NNN-NNNNChevrolet; (46?); 42-49 235(NNN) NNN-NNNNChevrolet 54 235 TorF54L-Z(NNN) NNN-NNNNChev 53 235 LDA, LDM, LEA, LEM, (NNN) NNN-NNNNChevrolet 53 3-spd 235 dipper LAA (?); ditto above.(NNN) NNN-NNNN(part #?) Chev 54-55 261(NNN) NNN-NNNNChevrolet 54-56(??) 261

37127 Chevrolet 73-76 250 =3D 7

(NNN) NNN-NNNNChevrolet 55-57 261(NNN) NNN-NNNNChev 55-57; 261(NNN) NNN-NNNNChevrolet 58 261(NNN) NNN-NNNNChevrolet 54-55 235(NNN) NNN-NNNNChevrolet 55 1st series 235(NNN) NNN-NNNNChevrolet 54-55 261(NNN) NNN-NNNNChevrolet 55-57 261(NNN) NNN-NNNNChevrolet 58-60 truck 235(NNN) NNN-NNNNChevrolet 60-62 261(NNN) NNN-NNNNChevrolet 58-62 235(NNN) NNN-NNNNChevrolet 55-59 261(NNN) NNN-NNNNChevrolet 58-62(59?) 261(NNN) NNN-NNNNChevrolet 58-62(60) 235(NNN) NNN-NNNNChevrolet 59 261(NNN) NNN-NNNNChevrolet 58-62 235(NNN) NNN-NNNN Chev =94 NPT; 55 - + 261

3769 Chev 58 =96 62 235

(NNN) NNN-NNNNChevrolet 60 235(NNN) NNN-NNNNChevrolet 59-62 261(NNN) NNN-NNNNChevrolet 58-62 261

377127 Chevrolet/Olds/ Pontiac 73-79 250 =3D 7

377129 Chevrolet 73-84 292 =3D 7

(NNN) NNN-NNNNChevrolet 54 235(NNN) NNN-NNNNBuick 68-76 250 =3D 7(NNN) NNN-NNNNChevrolet 62-67 194 =3D 7(NNN) NNN-NNNNChevrolet 62-67 194 =3D 7

378307 Chevrolet 60-62 235

(NNN) NNN-NNNNChevrolet 53-54 235(NNN) NNN-NNNNChevrolet 62-74 292 =3D 7(NNN) NNN-NNNNChevrolet 62-69 230 =3D 7(NNN) NNN-NNNNChevrolet 62-70 153 =964cyl =3D5(NNN) NNN-NNNNChevrolet 55-59(58?) 261(NNN) NNN-NNNNChevrolet 63-76 292 =3D 7(NNN) NNN-NNNNChevrolet 63-66 292 =3D 7(NNN) NNN-NNNNChevrolet 63-72 292 =3D 7(NNN) NNN-NNNNGMC 62-66 194 =3D 7(NNN) NNN-NNNNChevrolet 62-67 194 =3D 7(NNN) NNN-NNNNGMC 67-72 292 =3D 7(NNN) NNN-NNNNChevrolet 62-70 194 =3D 7(NNN) NNN-NNNNChevrolet 63-70 194 =3D 7(NNN) NNN-NNNNChevrolet 55-57 261

383340 Chevrolet 55-57 261

(NNN) NNN-NNNNChevrolet 48 =96 49 216 FA, GA(NNN) NNN-NNNNChevrolet 48 - 49 235 FDA, FDM, FEA, FEM, GDA, GDM, GEA, GEM(NNN) NNN-NNNNChevrolet 235 EDA, EDM, EEA, EEM(NNN) NNN-NNNNChevrolet 48-52 216(NNN) NNN-NNNNChevrolet 54 235(NNN) NNN-NNNNChevrolet 42-49 235(NNN) NNN-NNNNChevrolet 54 235(NNN) NNN-NNNNChevrolet ton ? 50 - 51 216 AHCA-BJCM HAA-JCQ(NNN) NNN-NNNNChevrolet 51 216(NNN) NNN-NNNNChevrolet 52 235 KDA, KDM, KEA, KEM(NNN) NNN-NNNNChevrolet 52-53 216(NNN) NNN-NNNNChevrolet 53 235(NNN) NNN-NNNNChevrolet & frac12;ton ? 52 -53 216 AKCA-BLCP, KAA-LCQ(NNN) NNN-NNNNChevrolet 53 216(NNN) NNN-NNNNChevrolet 54-55 235(NNN) NNN-NNNNChevrolet 54-55 235(NNN) NNN-NNNNChevrolet 53 235(NNN) NNN-NNNNChevrolet 54 235(NNN) NNN-NNNNChevrolet 55-57 261(NNN) NNN-NNNNChevrolet 55-57 235(NNN) NNN-NNNNChevrolet 55-4/1/56 235(NNN) NNN-NNNNChevrolet 57 261(NNN) NNN-NNNNChevrolet 55-57 235(NNN) NNN-NNNNChevrolet T56X 55-57 235-261(NNN) NNN-NNNNChevrolet 55-57 261; ????; Also 42-51 216 ????(NNN) NNN-NNNNChevrolet 55-57 235(NNN) NNN-NNNNChevrolet 53-55 235(NNN) NNN-NNNNChevrolet 62-78 230-250 =3D 7(NNN) NNN-NNNNChevrolet 63-72 292 =3D 7(NNN) NNN-NNNNChevrolet 63-76 292 =3D 7(NNN) NNN-NNNNChevrolet 63-72 292 =3D 7(NNN) NNN-NNNNChev/Olds/Pontiac 62-76 230-250 =3D 7(NNN) NNN-NNNNChevrolet 63-66 292 =3D 7(NNN) NNN-NNNNChevrolet 63-71 292 =3D 7(NNN) NNN-NNNNChevrolet 63-70 230 =3D 7(NNN) NNN-NNNNChevrolet 55 235(NNN) NNN-NNNNChevrolet 54-55 235

386855 Chevrolet 74-77 250 =3D 7

(NNN) NNN-NNNNBuick/Olds/Chev/;;;;;; Pont/GMC

62-78 230-250 =3D 7

(NNN) NNN-NNNNChevrolet 62-70 194 =3D 7(NNN) NNN-NNNNChevrolet 63-66 292 =3D 7(NNN) NNN-NNNNBuick/Chev/Olds /Pontiac 68-72 250 =3D 7(NNN) NNN-NNNNChevrolet 68-72 250 =3D 7(NNN) NNN-NNNNChevrolet 64-67 194 =3D 7

389770 Chevrolet 42-51 216

(NNN) NNN-NNNNChevrolet 42-53 216(NNN) NNN-NNNNChevrolet 66-76 292 =3D 7(NNN) NNN-NNNNChevrolet 64-69 230 =3D 7(NNN) NNN-NNNNChevrolet/Olds 64-76 230-250 =3D 7(NNN) NNN-NNNNChevrolet 63-76 292 =3D 7

40050 Chev; FA Early 1916-19 224 =96 4cyl

43950 Chev; FB 1919-22 224 =96 4cyl

45834;; Chev;(NNN) NNN-NNNN 171 =96 4cyl

473180 Chev Standard 1933 182 3 main Head =3D 600569

473741 Chev Standard 1934 182 3 main Head =3D 473740

(NNN) NNN-NNNNChev 1954 235(NNN) NNN-NNNNGMC 39 =96 54; 228(NNN) NNN-NNNNGMC 39 =96 55 248

743 Chev(NNN) NNN-NNNN=96 17 171-4cyl

828575 Chevrolet 72-77 250 =3D 7main

835501 Chev 29 =96 30 194 =3D 3main

836010 Chev 1935 & 36 206 =3D 3main 35=3D837230, 837981

836409 Chev 31 194 =3D 3main

836573 Chev 32 194 =3D 3main Head =3D 836718

837231 Chev Master 1933 & 34 206 =3D 3 main 33=3D836961, 34=3D8372=30

837751 Chevrolet 42-49 235; dipper

838101 Chev 37 216 =3D 4 main 1 =96(NNN) NNN-NNNN/p>

838710 Chev 38 216 =3D 4m(NNN) NNN-NNNN=96(NNN) NNN-NNNN; B1 - B10502

838941 Chev 39 216 =3D 4m(NNN) NNN-NNNN=96(NNN) NNN-NNNNB10503 - B105461

838751 Chev 42 235 =3D 4m BG, BL

839132 Chev 40 216 =3D 4m(NNN) NNN-NNNN=96(NNN) NNN-NNNN B105462 - B221935

839400 Chev 41 216 =3D 4m AA1001 - AA1163720 AC1001 - AC19549

839751 Chev 42 =96 46 235 =3D 4m BG, BL, DDA, DDM, DEA, DEM

839770 Chevrolet (46-49?)42;216 2AA, 2AC, BA DA, EA

(NNN) NNN-NNNNChevrolet 42-49 235

839910 Chevrolet 42-51 216

839931 Chevrolet 42-49 235

(NNN) NNN-NNNN?) Chev PG 50 235(NNN) NNN-NNNNChevrolet 64-77 292 =3D 7

93403466 Chevrolet 75-83 250 =3D 7

93403467 Chevrolet 75-84 292 =3D 7

93406004 Chevrolet 75-84 292 =3D 7

967 Chev(NNN) NNN-NNNN- 21 171-4cyl

(NNN) NNN-NNNNPontiac 66-67 230 =3D 7(NNN) NNN-NNNNPontiac 68-69 250 =3D 7(NNN) NNN-NNNNPontiac 68-69 250 =3D 7(NNN) NNN-NNNNPontiac 68-69 250 =3D 7

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