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View Full Version : rb20-26det Newbe question

270R
05-21-2003, 09:19 AM
are all of the rb series engine parts comaptible?

ex/ like the B-series from honda.
fast-datsun
05-21-2003, 07:48 PM
NO but some are.. RB20 and RB26 are close and RB25 head is totally different, Rb25 and 26 can swap crank and pistons...
sanmiam
05-22-2003, 07:14 AM
The block of the RB25 and 26 are virtually the same. (although from different casts) The head from an RB 26 can swap onto an RB 25 for better flow, a not so uncommon practice overseas. if anything the odd man out of the bunch is the RB20.