i got a 75 c10 came with 350/5speed both 6kmiles on them centerforce clutch and 10bolt 342 posi i was wondering if i can slam these gears around once and a while i have done burnouts when i had 20's on it so its descently strong i got my truck up on a lift and the tranny is chunky its not one out of an s10 or anything + its rebuilt i was wondering if it would take a beating and when and how to change the oil in it

thanks