Repair and Winding Manual 3100 SFI V6

Very good morning invisible friends I would like if they could help me to get the repair, exploded manual and electrical diagram for the Chevrolet brands Lumina models or Century Buick year 1987 to 1995 that brought the 3100 SFI V6 Fuul Inyection engine since for the same date they also came out with Multi Fort 3.1 and 2.8 Specified above, that is, 3100 SFI V6 I would know how to thank you for your yuda God bless you I leave my email if they could and would like to help me

ATT: Nelson Arenas