it's hard to maintain the old engine, of coz u need small $$$ but always...
why not invest more $$$ but 1 times only... believe me! i already experienced it... ;)
im quite noob about meter i just wanna ask my van c22 got no rpm meter can i just buy any rpm meter and fix in to it or theres a specific ones for car that dun have rpm how do i diy it what wire do i connect...