bmwsparkle 3 Report post Posted January 28, 2005 (edited) been wondering, no one seems to know, If i could rebuild an M30 the same as a M20 2.7 rebuild ie using a 2.8 M30 head on a 3.5 M30 block, or similar, anyone have an idea? sparkle Edited January 28, 2005 by bmwsparkle Quote Share this post Link to post Share on other sites
kiwi535 538 Report post Posted January 28, 2005 are you thinking it will increase the compression or have you got one available and your old one is stuffed???????? Quote Share this post Link to post Share on other sites
BM WORLD 1286 Report post Posted January 28, 2005 i have a good 2.5 m30 head .same as 2.8 m30 head . same size valves as 3.5 m30 e28 head just different shape combustion chamber shape Quote Share this post Link to post Share on other sites
bmwsparkle 3 Report post Posted January 29, 2005 yeah thinkin it could increase the CR, anyone know if it works? Quote Share this post Link to post Share on other sites
