use the silvertop block with GZE pistons there 3 diff size or 2 diff size i think bore size 81mm or 81.5mm,silver top rods,if use 81.5mm will have to bore out ur silver top block..
if you use GZE block with silvertop head the water jackts dont match up..will have to give to a workshop to match up jacktes..
i used black top engine,with GZE pistons bore out my block to fit 81.5mm pistons..
if need any more info PM man will help you out...
2000 corolla wagon (4agte),ae101 sedan (20v 4age),ae111 (20v 4age),ae92 (16v 4age)