I searched for months on e-bay for the right truck motor. He was selling what i wanted. I called him and asked for an upgrade. He said he could do that, but i would have to pay up front for a special order. I sent him a money order for $1725. He acknowledged receipt, but i never heard back again. He is still on e-bay as advanced engine concepts! Stay far away! Do not buy! He has done this many times.
This site says no other complaints about him, but i just read one on this site.