Originally Posted by
cossie604
As far as im aware all Yb engines have underr piston cooling jets as standard, as it was a spray bar that ran straight from the pump. Or did the ST have jets else where machined in?
i could be wron but im sure the st version had individual spray jets under each piston rather than the spray bar itelf that the saff 4x4 had.im suret was designed that way to stop blockages.but i may be wrong. wheres mike r when you need him?