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-   -   B6T & BPT engine & trans (1st & 2nd Gen) (https://www.mazda3club.com/forced-induction-nitrous-69/b6t-bpt-engine-trans-1st-2nd-gen-322/)

Bolock Oct 16, 2001 02:22 PM

B6T & BPT engine
 
Does any one know the custom hp of the B6T and BPT engine
And what trannys will work with them?


Thanks!

Bolock Oct 16, 2001 08:20 PM

I have a 2000 protege
but here in Panama, they come with the B3 engine ( i know it sucks thats why im changing it)

down here we dont get the BP engine the best we get is the
B6 dohc engine.

any comments are welcome
I really need help for this proyect.

Eric F Nov 6, 2001 12:36 PM

I thought the 1.8L DOHC first gen Proteges used the G5M-R tranaxle? I know the '94+ Probe/MX-6/626 2.0L cars use the G25M-R tranaxle.

Eric F Nov 6, 2001 12:59 PM

You will need to get the right bellhousing size though. Depending on the application those tranaxles use different size bellhousings that won't work on every engine.

wight Nov 6, 2001 10:13 PM

90 to 92:
1.6 sohc, 1.8 sohc: F5M-R
1.8 dohc : G5M-R
93 to 94:
1.6 sohc, 1.8 sohc: F25M-R
1.8 dohc : G25M-R

all trans identical except for gear ratio. Thats from the Haynes mavual.

is that true?

Eric F Nov 7, 2001 09:40 AM

I doubt the ratios are different for transaxles originally installed in Proteges, but those transaxles were also used in other cars with different ratios.


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