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Information required about gearbox please.

Many moons ago I purchased an Aussie gearbox for my EH.
Ill be honest know nothing about cars.
Im trying to work out what i actually have. I was told it was an M20 when i bought it.
The gear box has holden 3 7433771 stamped.
Im looking to sell it. It has new clutch plate, bell housing, shifter and linkages. Any idea on what its worth..
Really would appreciate help.. thx

Model: 

Comments

The info below obtained from another site may assist:

To work out what model it came out of, you need the date code cast into the casing (just like identifying a grey crashbox). The date code will be something like J259.

The letters represent casting month, with the letter “I” not used i.e.:
• A = January
• B = February
• C = March
• D = April
• E = May
• F = June
• G = July
• H = August
• J = September
• K = October
• L = November
• M = December

The first two digits (or first digit and space) indicate casting day. For example, 25 would be the 25th day of some month.

The last digit indicates the year
• 8 = 1968 or 1978 (HK, HZ or LX)
• 9 = 1969 or 1979 (HK, HT, HZ or LC)
• 0 = 1970 or 1980 (HT, HG, HZ, WB or LC)
• 1 = 1971 or 1981 (HG, HQ, WB or LC)
• 2 = 1972 or 1982 (HQ, WB, LC or LJ)
• 3 = 1973 or 1983 (HQ, WB or LJ)
• 4 = 1974 or 1984 (HQ, HJ, WB, LJ or LH)
• 5 = 1975 (HJ or LH)
• 6 = 1976 (HJ, HX, LH or LX)
• 7 = 1977 (HX, HZ or LX)

For example, J259 would be being the 25th of September in either 1969 or 1979 (HK, HT, HZ or LC).

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Andrew

basically, a 6 cyl box will have either a 3.05:1 first gear or a 2.54:1 if its a rare m21 6 cyl box, easy to check with a white pen just mark input and output shafts and turn over in 1st gear til the rear shaft turns one turn.

worth? in unknown used condition, maybe $100 to $200. rebuilt, maybe $500 to the right buyer. if it is a m21 it will be worth much more

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Thanks guys

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