How fast does that dog go when you have the engine spooled up going down hill? I got my 85 300SD up to 86 on the ride to talladega on sunday. There is plenty of RPM's left but the car started to shake a little more than I would like much higher than that. Some drunk kid asked me why I drove the car. I didn't give him the long answer. The short answer is it is my hobby. The best part of going to a NASCAR race is watching the drunk people.