23.562 Corvettes were built in 1965. 8.186 Coupe and 15.376 Convertibles.
The Vehicle Identification Numbers, VIN were 194375S100001 through 194376S123562
For convertibles, fourth digit is a 6

Type Basic Basic Basic Basic Basic Basic
Cubic Inch 327 327 327  327 327 396
HP @ RPM 250 @ 4400 300 @ 5000 350 @ 5800 375 @ 6200 365 @ 6200 425 @ 6400
Torque  RPM 350 @ 2800 360 @ 3200 360 @ 3800 350 @ 4000 350 @ 4600 415 @ 4000
Comp. Ratio 10.5:1 10.5:1 10.0:1 11.0:1 11.0:1 11.0:1
Bore / Stroke 4.00 x 3.25 4.00 x 3.25 4.00 x 3.25 4.00 x 3.25 4.00 x 3.25 4.094 x 3.76
Carburator 4bbl Carter 4bbl Carter 4bbl Holley 4bbl Holley Fuel Injection 4bbl Holley
In Manifold N/A N/A N/A N/A N/A N/A
Valve Lifters N/A N/A N/A N/A N/A N/A
Exhaust N/A N/A N/A N/A N/A N/A
Oil Capacity2 4 Qt 4 Qt 4 Qt 4 Qt 4 Qt N/A
Spark Plugs Type 44 Type 44 Type 44 Type 44 Type 44 Type 43N
2. Add 1 Qt if you put a new oil filter.

3782870 327 CID
3858180 327 CID - Limited use
3855962 396 CID

3782461 327 CID
3856208 396 CID

327 Cubic Inch Engine CODE
250 HP - Manual transmission HE
300 HP - Manual transmission HF
375 HP - Manual transmission HG
365 HP - Manual transmission HH
250 HP - Manual transmission - Air condition HI
300 HP - Manual transmission - Air condition HJ
365 HP - Manual transmission - Air condition HK
365 HP - Manual transmission - Transistor ignition HL
365 HP - Manual transmission - Air condition - Transistor ignition HM
375 HP - Manual transmission - Transistor ignition HN
250 HP - Automatic transmission HO
300 HP - Automatic transmission HP
250 HP - Automatic transmission - Air condition HQ
300 HP - Automatic transmission - Air condition HR
350 HP - Manual transmission HT
350 HP - Manual transmission - Air condition HU
350 HP - Manual transmission - Transistor ignition HV
350 HP - Manual transmission - Air condition - Transistor ignition HW
396 Cubic Inch Engine CODE
425 HP - Manual transmission - Transistor ignition IF

Ratio and Type CODE
3.36 AK
3.08 Positraction AL
3.36 Positraction AM
3.55 Positraction AN
3.70 Positraction AO
4.11 Positraction AP
4.56 Positraction AQ
3.08 AR
3.70 with 4-speed AS
3.08 Positraction with 396 CID AT
3.36 Positraction with 396 CID AU
3.55 Positraction with 396 CID AZ
3.70 Positraction with 396 CID FA
4.11 Positraction with 396 CID FB
4.56 Positraction with 396 CID FC

Color CODE
Tuxedo Black AA
Ermine White CC
Nassau Blue FF
Glen Green GG
Milano Maroon MM
Silver Pearl QQ
Rally Red UU
Goldwood Yellow XX

Tommy Ledberg