have you asked any engineers? each engineer has a different price.....i went to ask 1 a couple of questions, but he said if i wanna ask questions, just afor a consultation its $180/hr....so i decided not to use him then!!! i have the name of a guy that engineered the V* up the road and he didn't even check the car, ...it had a leaking diff n a few other leaks here n there and he still passed it!!!! so imight try n get in contact with him