I found this tranny shop on EBAY....They go by...TRANZPARTS1 on-line... and ....TRANZPARTS, INC. down in Florida... They have two locations ...... Tampa and Miami .... They are selling rebuilt 4r70w's for $599.00 with free shipping..... even selling rebuilt valve bodies for $9.99.... Anyone ever heard of them?? Done any business with em?? thanx for any info!!! Scott P.S. I am going to call them tomorrow and ask about how they rebuild em'.