timing on cumins 6bta
hi. got cumin's 6bta 260 hp had full rebuild pump has been rebuilt new injectors as well, but on start up lots white smoke go a little when warm grey under load. and seems to sound nosier than before, want to know we have set timing TDC with pin can you adjust engine timing either way retard advance to help improve. or should it be left at TDC only ie how many degrees each way any help be appreciated.