Need Opinions, Should I maybe purchase this motor?

[muthstryker]

I know the guy with the 3k motor, my mother has worked with him for 5 years. Ive seen the truck that it was in, ive seen it run and drive. Its not like some guy off craigslist, I feel more comfortable buying from him then some random guy off craigslist. He sold the truck minus the motor a month ago, was going to put the motor with better heads in his prostreet chevelle.