have the 1800 16v astra motor (x18xe1) fitted in my corsa b
i just fitted a set of toyota 43mm throttles and wow...20 kw and 25Nm jump in power
i want to upgrade the bottom end with forged pistons and H beam conrods but cannot find any in south africa...
want to go 11:1 comp ratio and aftermarket management to be able to rev to 8500 rpm
pls can anyone offer some advise/ suggestion
Soory wrong section...pls can mods move this