Scratch building
Hi here is a simple kitbash of the Merit/SMER Alfa Romeo 158 Alfetta.
Body is SMER, quite the nastiest plastic that I think I have ever dealt with. Chassis is Dynamic, Motor is a Revell PittMan RP77 good for a whole 20,000 RPM (!), tyres are bits box front and Ultimatt Urethanes rear. Wheels...