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So i have a completely forged block ready to bolt a head to it but i was wondering if its possible to use a rb26 head or would I end up having compression issues or are the domes on the heads the same between the rb25 and the 26. the reason i would prefer to use the rb26 head is I'm looking to power a 9180 borgwaner efr turbo and the rb26 would be able to rev higher with less work.