hi recently bought a hilux 4wd with a toyota 3t-gte engine in it, its bored to 2l has a t25 and microtech computer. i wanna do all the basic maintenance/servicing myself but have acouple of problems.... what year/make/model did this engine originate from???? the bgg and all the searches ive done keep on turning up manuals for the 3s-gte, is there a difference??? just after basic info spark plug type/gap oil volume etc.... any help/advice would be great, thankss