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BMC Part Numbers for MGA and early MGB Close Ratio Gears

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Don MGA 1600 Avatar
Don MGA 1600 Silver Member Don Tremblay
Rutland, Rutland, USA   USA
1960 MG MGA "My Oldest Friend"
1962 Jaguar E-Type "Rich Bitch"
Reference: BMC Part Numbers for Close Ratio Gears for the MGA and earl MGB

Does anyone on the Forum have the BMC part numbers for close ratio gears?

I have the BMC numbers for the standard gearbox, but I cannot find the BMC numbers for the C/R box.

Thanks,

Don

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JIMBV8 Avatar
JIMBV8 Jim Gibson
Northampton, Northamptonshire, UK   GBR
Does this cover it ? ( The experts may have more/later information )

In case the scan is not clear, the numbers from the top, are ...

22H18
1H3297
1H3299
1H3300
1H3298

Jim


Attachments:
CR Gearbox Part Nos.jpg    14.4 KB
CR Gearbox Part Nos.jpg

Don MGA 1600 Avatar
Don MGA 1600 Silver Member Don Tremblay
Rutland, Rutland, USA   USA
1960 MG MGA "My Oldest Friend"
1962 Jaguar E-Type "Rich Bitch"
Thank you Jim,

Right after I posted my request and while still searching on line, I stumbled upon the attached BMC part numbers.

Does anyone know what BMC part number: 22G838 2nd gear fits or goes to?


Don

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Attachments:
MGA Gear Part Numbers.pdf    8.9 KB

tjt77 timothy Trevithick
Grass Valley, CA, USA   USA
the 22G838 gear is likely a later production part .. if it has 31 teeth (as per info posted above) than its a standard gear ..there are 2 basic types of standard BMC B series 2nd gear.. those that work with the brass synchro ring.. and the very last ones (introduced early '67) that used the steel synchro ring (often found in later 'gold seal' factory exchange boxes for the MGA) and easily identifiable by the black ceramic like surface of the synchro cone (as opposed to smooth steel surface of the early type)

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