April 27, 2025Apr 27 I got a box with some EA71 rocker arms and put them into a spare EA81 cylinder head I had, The EA71 rockers fit ok, and the two holding bolts side into the EA81 cylinder head no probs, so I assume they would be compatible with the bolt pattern on the EA81 block. Its Just that I read occasionally that these rockers arms are not compatible, however going through the specifications in Haynes and Gregorys manuals on 1600/EA71 and 1800/EA81 engines they do not mention any differences in the rocker arms. I dont have a spare engine block to compare at the moment--Any comment out there. Edited April 27, 2025Apr 27 by gazza01 Further information.
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