Totally hijacked this poor guy's thread, but he received great advice earlier. What do you do for a living because you said that "you worked in a shop"? Like a technician? Irony not trusting a shop because your livelihood depended on customers not knowledgable, unable, or unwilling to work on the vehicle themself. I for one have little desire, no knowledge, and no place to work on a vehicle because I live in an apt. and not a very mechanical person.