I ran the .474-280 cam in my girlfriends Dart back in the 80's. It was a 318 Dart that I put a 340 in I rebuilt to stock specs. But I added the .474 cam and headers. I used the LD318 intake since it was a 318 car we just used the 318 intake on the 340 and I bolted a 650 DP on it. It was a 73 Dart Sport and it had an 8-1/4 rear with 4.10's and used the stock 318 auto trans and converter. But that thing would run good. It had great low end as it would smoke the G/60 tires even from a 15-20 mph roll. Took it to the track and ran 13.40's @ 105 on street tires. I felt with slicks it would have ran high 12's as it had no hook at all on street tires. And you have to remember it had a stock 318 converter and the 318 smaller port intake so I felt with a few changes this could have been a solid mid 12 car. I really liked that .474-280 cam in that street car. Ron