phil millar 0 Report post Posted March 25, 2007 Could anyone on the forum tell me if m30/b25 pistons (86mm) fit directly into m20/b25 overbored block (86mm),thanks. Quote Share this post Link to post Share on other sites
Mike 1 Report post Posted March 25, 2007 I highly doubt it. M30 pistons are all domed, will probably interfere with the head/valves. Not to mention the M30 pistons sit more than 10mm higher than M20 pistons. Quote Share this post Link to post Share on other sites
M325is 0 Report post Posted March 25, 2007 Are you after some oversized pistons for M20/b25? 20thou over? PM me. Quote Share this post Link to post Share on other sites
phil millar 0 Report post Posted March 28, 2007 Are you after some oversized pistons for M20/b25? 20thou over? PM me.Hi,yeah but i was wanting them be 86mm,what would yours be as iv'e overbored from 84mm to 86m Quote Share this post Link to post Share on other sites
