Originally posted by ludeboom
i dont see the point in putting a h22a head on a block that is not safe past 6700 rpm, as opposed to 8500 on an h22a
(8500 is highest ive heard of a stock h22a/1 reving to before popping a valve spring and retainer)
this doesnt count me downshifting to 2nd at 95mph and hitting 11k, (engine was under no load) 
~boomer
i dunno anything about it, i've just seen it done... :dunno: