What is the difference between these transmissions?

[91mazda]

What is the difference between the F5M-R and the F25M-R?
And what is the difference between the G5M-R and the G25M-R?
I know mazda after 91 went to the g25 and f25 but I was just wonderimg what the differences were because from what I have read on the web they all have the same gear ratios pretty much.

[FE3-323]

mostly just numbering- theres ****all for differences. G transmissions are stronger then F types.

[mckabe]

How to read mazda manual transmission codes

First letter: E = 18 spline input shaft F = 20 spline input shaft G = 22 spline input shaft H = 23 spline input shaft

First digit: Production revision (1 or no digit, 2 or 3)

4 = 4 Gears 5 = 5 Gears 6 = 6 Gears

M = Manual

R = Remote Shift Control

X = AWD

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[mckabe]

So all you care about is the revision number, I don't know what specifically changed on these transmissions but it is ususally minor things that they thought of a better way of doing.. very little things

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[Rocketman]

Even still there are different case/bellhousing types for each transmission...

The G5MR/G25MR has at least 4 different cases:

B6T
BP
F2
KL

The F-series had both a cable-type and hydraulic type clutch system too, depending on car, and on year

Confusing as hell, lol

[91mazda]

Even still there are different case/bellhousing types for each transmission...

The G5MR/G25MR has at least 4 different cases:

B6T
BP
F2
KL

The F-series had both a cable-type and hydraulic type clutch system too, depending on car, and on year

Confusing as hell, lol

Do you know what type f series trans went in the 91 protege dx?