Check you're preload on lifters. Holes in pushrods all clear? Seems a clearance problem being one side is o/k the other isn't or an oil gallery is blocked... ???
Has the cam bearings been replaced and installed correctly ????
Don't be afraid to try something new. Remember, amateurs built the Ark...Professionals built the Titanic!
Tuned & maintained by "Peppertree Perfmormance". Dart block, Scat 4340 steel crank, Custom C.P pistons.Oliver rods.. Mal Wood twin plate clutch.. Twin SC61/2's,482 rwkw/ 645 rwhp..
Passengers, myocardial infarction material..