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In Reply to: 2.5 top end on 2.7 motor posted by Shelby on March 19, 2000 at 14:42:12:
what year bottom end is it? Because from 6/87 or so on the 2.7 engine used the 2.5 head. that's why we have the super eta. different pistons were made for those bottoms so it wouldn't lose compression. the only thing is that it used the eta intake and cam, and the single valve springs.
Rich Alderson
'88 528e \\\Super E power