THE BEST SIDE OF TOYOTA 4A GE

Even with others declare of a 20HP or maybe more boost- on modified heads by yourself, this is solely impossible without having camshaft or pistons modified. Toyota has casted and machined all their 4 valve heads to quite near and precise tolerances for Road (and rally) use.VVT is Preferably turned on at a lower revs and off at higher revs. What th