insurance luxury cars

United Kingdom: the standard car conversion kit to reduce car insurance?
I'm 19 and driving a Jaguar S-Type in the U.S.. Me I moved to the UK and my insurance premiums look around £ 7,000 (about 4x what it was in the U.S.). What I'm thinking is what if I buy an s-type, and replace the engine with a small 1.6L engine (speed does not matter, only luxury cars) and change the car to a "kit car" status, which under my insurance to a more affordable rate? Thanks for the tips.
your rate is based on your age and sex .. so the car should not matter thats how it is in New Jersey .. his cousin Shoul fall if you do not get tickets and are a safe driver ..
Insurance Institute for Highway Safety: Luxury Car Bumpers