The POS 408 progress pics....

That is the radiator I bought for the TT Dart. Fits well and drops right in. I did order it with the Hoses opposite for an A Body. Took a couple weeks and I went and picked it up at the Vendors house which was about 30 minutes from me.

Yep for darts they make three different radiators. 2 are application specific and the third covers a wide array of years.

They are all very nice. I'm confident this rad I bought will be more than up to the task. They say it will cool 750 hp whatever that means, but I know it will cool my junk.