Thread: Safe RPM Limits??

the stock ignition system starts to break up at 7000..... I wouldnt trust it much past that.

If it is a built motor... what kind of bearings were you going to use?

I would STRONGLY recommend some along the line of an "H" bearing... but if this is primarily a track car.. I would go for more of an "HX" bearing... these are made for high RPM, and offer better cooling.

get the best money can buy. dont skimp. otherwise you will be rebuilding it often.