problems on a rebulit engine - Ford Forums

wigginz_60 · 04-04-2009, 14:37

i recently rebuilt my brothers engine in his 99 mustang 3.8 after i got everything in and put together i started it up started right up running a little rough then all the oil spilled out of the oil filter gasket so i shut it off put a new oil filter on and the same problem so i suspected the oil pressure relief vale so i tore back into it and assumed i put the new pressure relief valve i got in the new oil filter in backwards or didnt fully remove the old one. after i got it apart i found it fit in better the oppsite way i instaled it so i fliped it and reinstalled everything only to get the same results any help would be much appriciated

keith28fykerd · 06-13-2009, 09:47

sound like something is blocking oil flow in the engine, main bearings could have been installed wrong ,were the oil hole in bearing dosent match block , or a wrong part or gasket,were cam bearing relaced, they have oil holes too,