Original chassis was a bust. I could not get it to fit the body right. Something was off so back to square 1. My go-to for Collonade chassis is a Revell 66 GTO. Great detail and similar underpinnings. The earlier cars were 3 inches longer in wheelbase so I take 3mm out of the chassis right after where the front floor pans start. I also had to open up and re-do the tunnel because the GTO is a four speed and this uses a Turbo 400. Front brake rotors and calipers are from a Ford Thunderbird NASCAR car. I took a hint from another build and wrapped the cat, mufflers and resonators in matte BMF. Looks pretty good. Maybe still a little shiny, but good. Brake lines, fuel line at the tank and emergency brakes all in. Scratch built the exhaust with flanges where they are on the real car.