well if the freind dont mind ya useing the motor ? use it till you get another one built
and if you want to learn how toos on a motor theres no better way then build one but your going to need help ( tools , engine hoist, floor jacks ,jack stands, engine stand, and yes books for specks on the motor you got any friends that have built motors before ?if so get them to help !!! and then theres alway this board if you run into sumthing you dont understand just ask sumone will help ya !! for that matter where are you located at sum board memembers might live near ya and can come and help ya out sum