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#1
16-02-13, 21:29
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Quote:
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Robert Pearce. 
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#2
17-02-13, 01:00
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Gear Ratio...
On the C 15a the ratio is given as 6:39 ....... not sure if it is the same for Ford axles but should be darn close to being the same as some Fords ran from the factory with GM axles front and Ford axles rear.
The official size of the original rims is 16 inches, I would be hesitant to run modern 16.5 tires as the tire bead of modern tires and the original rim design are not intended for that. With a more powerful engine you may have enough torque to spin the rim inside the tire and watch the tube stem shear off......... 16 inch bar tread military tires intended for these rims will NOT drop on the original rims they are a nice tight fit ........ However, I bow to the practical experience of others who may have tried it and survived. Bob
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada Last edited by Bob Carriere; 17-02-13 at 01:07.
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#3
17-02-13, 06:09
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My MB-C1 and MB-F1 give the 15A diff ratio as 6.5 to 1.
Bob I had worried about rim spin when the tires went on so easily but I did some serious four wheeling with the spray rig and have had no trouble so far. I run the tires at 50 to 55 psi. 
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Robert Pearce.
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