90 240sx I thank is KE SINGAL Cam BAD Vaule line sound.

[contracter2005]

REBOUILT MOTOR , HEAD HAVE BEEN REDUNE, CAN NOT GET THE TAPPING OUT OF VAULE LINE,REPLACE FOUR ROCKER ON EXUST SIDE, IS THERE AWAY TO PRIME UP THE ROCKER , IT IN 2-3 CLYANDER THANKS CONTRACTER

[neverlift]

yes you must look thru the first few pages someone did a write up about it,or search