Holden codes

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Holden Codes:

 The meaning of these codes:

Engine:

ENG: (Engine)L20 - 202.L31 - 308.L32 - high compression 253.L33 - low compression 253.

Transmission:

TRANS: (Transmission)M15 - Three speed column shift manual, (except 308 & 350).M20 - Four speed floor shift manual.M21 - Four speed close ratio floor shift manual.M22 - Four speed floor shift manual, (wide ratio) (six cyl commercial only).M40 - Trimatic three speed column or console shift auto.M41 - Turbo-Hydra-Matic 400 three speed column or console shift auto (308 only). Replaced in May 1979 by Turbo-Hydra-Matic 350.M38 - Turbo-Hydra-Matic 350.

Rear Axle:

RRAXLE (Rear Axle / Diff Ratio)GU4 - 3.08:1.GU7 - 2.78:1.GU8 - 3.90:1.GV2 - 3.36:1 - only applicable to V8 HQ's.GV4 - 3.36:1.GV7 - 3.55:1.G70 - 2.60:1 .

VIN Breakdown:

Breakdown of the VIN. (Early HQ only)Eg: VIN - 80170QH500025.
80170QH500025
Model number80170 - 6cyl Panelvan80270 - 8cyl Panelvan80180 - 6cyl Ute80280 - 8cyl UteLast letter of vehicle model year (HQ)Assembly plant codeH1 - H4 = BrisbaneH5 - H9 = SydneyJ1 - J9 = DandenongL1 - L5 = AdelaideL6 - L9 = PerthVehicle serial number
Breakdown of the VIN. (Late HQ, HJ-HX-HZ)Eg: VIN - 8M70RH J598183Z.
8M70RHJ598183Z
GMH DesignationModel codeM = CommercialN = KingswoodBody Style 70 = Panelvan 80 = UteEngineL = 3.3LR = 4.2LT = 5.0LModel YearD = 1974E = 1975F = 1976G = 1977H = 1978Assembly plant codeH1 - H4 = BrisbaneH5 - H9 = SydneyJ1 - J9 = DandenongL1 - L5 = AdelaideVehicle Serial NumberSeries CodeQ = HQJ = HJX = HXZ = HZ
 

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