try posting on my home forum,
www.trustmymechanic.com Click online community. I am one of many moderators there, and we have a mechanic from the Longstreet Chev. Dealership (GM_Mech_319) and we also have the owner and opperator of a certified transmission shop, along with several other qualified shadetree mechs and DIY's. I would ask on here, and kinda direct the post to him....In the topic put ATTN: Transman (that's his ID)