My brother is looking to buy a toyota pickup and found one locally. It's a 1994 pickup w/ a 3VZE 3.0l v6. It's got 101,000 miles. First owner was an old man who towed it behind his RV for about 50,000 miles. Based on that info, the motor only has about 50,000 miles on it, 20,000 of em from the second owner. It has been extremely well maintained and the owner has all the records of work performed. There was recall work done a few years ago on the head gasket. I've heard rumors that the 3.0l v6 was a problematic motor and had problems with blowing head gaskets due to an inherent design fault in the head design. Is there any truth to this or just rumors? Should i advise my brother to aviod the 3.0l motor? How "bad" is this motor?

Any adivice and info would be MUCH appreciated.