You've never bolted a cage in and out of a car, have you? If it's a good fiting cage, it's seriously not fun. This is not a 1 hour job, and not something I generally like to do more than once. Or in this day and age, weld the bastard in. It sounds like you need to make a REAL decision with what you want to do with the car. If you want the powa machine drift pig thing with roll cage, it's time to buy another car to cart your mates around in, or hitch a lift with them. Don't do it half arsed, or you'll start comprimising important things, like your safety.