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Why gearbox

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Why gearbox
#1
4295 Avatar
4295 Glenn Carpenter
Houston, TX, USA   USA
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1947 MG TC "Greenie"
1954 MG TF 1500
The attached gearbox has been cluttering up my shop since the mid seventies. The casting number appears to be 19189 V. What car does this gearbox fit?


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Re: Why gearbox
#2
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malski Peter Malkin (RIP)
Bright, N.E.Victoria, Australia   AUS
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MGTC I believe.


Peter Malkin
NE Victoria
Australia
MGBGTV8 (1977)
MGB Roadster (1967) Supercharged
Triumph TR3A (1959)
MGA 1500 (under restoration)

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Re: Why gearbox
#3
4295 Avatar
4295 Glenn Carpenter
Houston, TX, USA   USA
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1947 MG TC "Greenie"
1954 MG TF 1500
Peter,
Are you sure that it belongs to a TC. While I lived in Singapore I scavenged parts from several scrapped Mg Y's.
Regards,
Glenn

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Re: Why gearbox
#4
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Interceptor Silver Member Mike Brand
Shenandoah Valley, VA, USA   USA
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1955 MG TF 1500 "The TF"
1956 Volvo TP21 "Sugga"
1963 Jaguar E-Type Coupe "401K"
1967 MG MGB GT "The GT"    & more
That appears to be a unique Rear Mount. I would suspect someone would recognize it from that alone.

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Re: Why gearbox
#5
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oily-hands Owen Frankland
Stockton on Tees, Cleveland, UK   GBR
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1937 MG TA "Numbum"
1971 MG MGB GT "The Bruise"
I'm with Peter on this. It looks very much like the TC box I have in my TA. The rear mounts give it away.


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Re: Why gearbox
#6
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ragtc Bob Grunau
Mississauga, ON, Canada   CAN
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1953 MG TD MkII
Glenn, MG TB/TC gearbox for sure. Y and YT cars have the same looking gearbox as TD/TF where there is an extra casting extension on the rear. TC gearbox is very strong, if you were closer I would buy it from you.
Bob, Canada

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Re: Why gearbox
#7
plus4moggie Tom Lange
Bar Harbor, ME, USA   USA
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The rear mount is certainly TC - the broken and repaired ear is what gives it away! The shifter, though, sitting next to the gearbox is definitely NO TC.

If it's something you wish to sell, please contact me off-line.

Tom Lange
MGT Repair
tlange@acadia.net

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Re: Why gearbox
#8
4295 Avatar
4295 Glenn Carpenter
Houston, TX, USA   USA
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1947 MG TC "Greenie"
1954 MG TF 1500
Attached is the engine block that the gearbox was attached. The engine tag is on the right hand side. I believe that the guy that I bought it from said it was off a YT.


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Re: Why gearbox
#9
plus4moggie Tom Lange
Bar Harbor, ME, USA   USA
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The tag reads "XPAG SC" which stands for single carb, which is a Y-type.

Tom Lange
MGT Repair

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Re: Why gearbox
#10
4295 Avatar
4295 Glenn Carpenter
Houston, TX, USA   USA
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1947 MG TC "Greenie"
1954 MG TF 1500
Mike Sherrell on page 131 states in regards to the Y engine was to leave it for the Y's. He gives no reason for the statement? Is the block above a sutable for a T type car?

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Re: Why gearbox
#11
ragtc Avatar
ragtc Bob Grunau
Mississauga, ON, Canada   CAN
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1953 MG TD MkII
TC and early Y blocks have the same casting number 24146 and are banana shaped water holes, therefore perfectly suited to a TC. No idea why Sherrell says leave it to Ys??
Bob, Canada

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Re: Why gearbox
#12
Steve S Avatar
Steve S Gold Member
Abingdon, So Cal, USA   USA
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1925 Ford Model T
1937 MG SA Saloon
1939 Ford V8
1946 Other Not Listed    & more
Other than the visual difference, no problem using a Y block in a TC. The gearbox does appear to be TC. You should have no trouble selling it, as they aren't easy to find anymore. Much stronger than the later TD unit.

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Re: Why gearbox
#13
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malski Peter Malkin (RIP)
Bright, N.E.Victoria, Australia   AUS
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I recall many years ago I had a Y Type block in my TC "boy racer". The brass octagon was located nearer the top of the bell housing mating flange on the block rather than part way down from the top as on my current TC. I also have a spare TC block with the octagon in the lower position.


Peter Malkin
NE Victoria
Australia
MGBGTV8 (1977)
MGB Roadster (1967) Supercharged
Triumph TR3A (1959)
MGA 1500 (under restoration)

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Re: Why gearbox
#14
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rowinghuge Silver Member Hugh Pite
Sidney, BC, Canada   CAN
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The rear mount is definitely for a TC but the shift tower is also definitely from a Riley RM. On the top left corner of the casing there should be a part number. Can you let us know what it is? Most of the gears in the Riley gearbox are not the same as those in a TC. For example the 1st motion shaft on the Riley is not the same length as the TC's and the Riley has a tooth count of 18 teeth whereas the TC has 20. Aside from the actual gears being different the rest of the gearbox is the same between the TC and Riley.
Hugh Pite
1948 MG TC
1952 Riley 2.5 Litre. RM
and others

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