rb 20/25 transmission ?

Discuss the RB20, RB25 and RB26 series engines.
mikester1222
Posts: 20
Joined: Wed Sep 26, 2007 9:54 am
Car: bmw 318i/ honda crx si b16 swap/

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do the RB20s have the same transmission as the 25 if not how much bigger is the transmission on the rb25?? and are the engines them selves the same size and the displacment is bigger?


Joe
Posts: 6511
Joined: Sun Feb 09, 2003 8:29 pm
Location: Phoenix, AZ

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mikester1222 wrote:do the RB20s have the same transmission as the 25 if not how much bigger is the transmission on the rb25?? and are the engines them selves the same size and the displacment is bigger?
dude you really need to start searching

no they are not the same. the RB20 shares the internals with a KA transmission

the RB25 is more like a Z32 trans, and is physically bigger than the RB20 trans.

yes the 20 and 25 are very close to the same size. displacement generally has nothing to do with physical size

im locking this thread. please search for your questions in the future. i already told you in your other thread your going to have to fend for yourself for a LOT of information if youre going to follow through with your swap. its time to learn how to do it.

think of this as being pushed out of the nest.


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