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Old 12-09-2008, 07:01 PM   #35 (permalink)
1337
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Join Date: Jul 2008
Location: UC Berkeley
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[SOLD] Highway Warrior - '00 Mazda Protege LX 1.6L Manual
90 day: 35.93 mpg (US)

Basic Miata - '06 Mazda Miata Touring
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Quote:
Originally Posted by Volones View Post
1337, you have a Mazda F5M, or F25M transmission in your protege. The difference is the F5M came with the SOHC engine and the F25M came with the DOHC engine. I believe you can swap the 5th gear from a Mazda 626, but that may be the G-series tranny instead of the F-series. I have the F25M in my MX-3, and plan on swapping in the transmission from a 1.5L SOHC Protege when I can afford to. The individual gears are the same, but the final drive is 3.4:1 instead of 4.1:1

I'll try to find the link I have for the Protege transmission info in a few minutes.

Cheers,
Vol

Edit//
Here's a link regarding swapping 5th gear in a Mazda F-series transmission
MX-3.com - View topic - 5th gear replacement (F-series)
Hopefully, you won't need to be a member, and even though this isn't your car, the transmissions are the same for this procedure.
Best of luck!

Here's the link I was looking for...
Protegé FAQ - Transmission Info
Lots of great info here. Anything with an 'M' is a manual, anything with an 'A' is an automatic (in case you get easily confused like I do). Have fun!
Volones,

Thanks for the help. I'm pretty sure I have the F25M, because the 1.6L is DOHC. (Unless someone knows of an SOHC version of the 1.6... if you trust Wikipedia, there is only a DOHC 1.6 Mazda Familia - Wikipedia, the free encyclopedia )

Protege FAQ gives a table of the Protege models that come with the F25M, but does anyone know what other cars (probe? escort?) also use F25M or at least the same gear design as the F25M?

Sidenote: Less than a year before I bought my Protege, the previous owner had the transmission replaced at a shop (the owner paid $2500 for a new clutch and trans on a $3000 car). Is there a chance the shop could have installed a non-F25M transmission?
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