Learned something new today- stock 6.1 crank being cross drilled doesn't like high rpm. I heard both 7,000 and 7,500 rpm when asking what the limit for a cross drilled stock crank is.

Any fixes other than a new crank? High volume oil pumps? Etc?

-'02 Dodge Viper Ex-World Challenge racecar
-'73 Duster, 6.1 based 392 hilborn hemi, tko600, full floater rear 9", Hellwig custom bars, viper brakes, built for road course