wat is "TEPET" sound?? can explain to me?

[sumimasen]

as for 4g63,some will use GTO lifter (trying to recall my memory) since it has larger hole on top of it compare to a stock 4g63 lifter.i've found out that Meek (Australia) is selling an after market lifter to cure 4G93 problem.

price? OMG!!!! $214.50 Hydraulic lifters (x16) for GSR 4G93 1.8T

links. Meek Automotive:- Your Mitsubishi Performance Specialists