need some advice.. i was in a car accident and my drivers side upper engine mount was damaged.. i pulled the motor and the 3 bolts holding the mount to the block came out warped.. i need to tap new holes, i have a kit that can do it but im unsure of how hard it will be.. a shop quoted me 250 to do it and it would be a couple days to get it back.. is it hard..

 

ttt