Just keep in mind they are required BY LAW to make you whole. They have to pay all storage and rental fees until the claim is settled. I would make them move the car back to the body shop and make them pay for a rental and the storage fees until they settle the claim to your satisfaction. You don't have to accept any offer even if its a "final offer" and if they want to take back the rental and stop paying storage fees.

Start doing some research now and establish the real value of your car. Since your car is "enthusiast owned" its in a much better condition than whats on the general market. Start pulling your records on the car and determine its real value. Depending on the damage to the car you may still be able to work something out with the insurance company.

Threatening the adjuster does nothing. They have a list of cases and get yelled at all day by many people. If you threaten to sue or do sue your case pops right out of his caseload and goes off to the legal team. If your firm with your requests and refuse to budge the adjuster may just say the heck with it and pay the claim to get you off of their case load especially if you take up a huge amount of his time and flood him with documentation and keep him on the phone for long periods of time supporting your claims. They keep getting new claims in and have to keep the old ones until they are settled. Its the adjusters job to give you a hard time with the claim. Just be persistant and don't accept their offers until your satisfied with what you get. Some adjusters use scare tactics like threatening to not pay for rentals or storage fees in order to get someone to settle. Until your signature is on the back of their check they are responsible for all costs you incur since they are the ones that refuse to compensate you for your claim.

If you have no luck dragging your feet and end up having to sue make sure you sue the insured directly. Having them served by the sherriff's department at WORK is a great way to get a scorching phone call made to an insurance company by an embarrased customer. Many people have "all" of their insurance with one company and an angry phone call made by a customer like that makes an insurance company jump. Also if your going to sue don't let them know. Catching them by surprise is the best way to make them scramble to settle.

Good luck. If you realize how the beast works your better off in the long run. Insurance companies are all whores in my opinion. They love to collect their premium but hate to pay out any claims. They will stall, lie steal and cheat in order to save a penny. They are in business to steal from people and don't care if its right or wrong. Just look at all those people who are having to sue the insurance companies involved with Huricane Katrina over a a silly "chicken and the egg" argument.

Another thought. You might want to check your local Library and read up on some of the tactics that your insurance adjuster is going to use on you. I have a nice book at home thats an insurance specific psychology book that teaches adjsuters how to prey on the psychologically imperfect human. Essentially the book teaches them to find any flaws in your claim and start "reasoning" their way into making their outrageously low settlement seem reasonable. Not sure if you could find it in the library but a very good insight into how they think.