Street and blower, with automatic trans spells a lot of extra heat.... Think I'd probably be looking at some of the aluminun double pass radiators.... I'm sure there's a number of companies making them to fit the deuce shells now... I put an AFCO dual pass in a BBF powered Torino, with automatic and a bit too much compression and it cools very, very well!!! B&M also offers a nice trans cooler with a built in shroud and cooler that can be mounted away from the radiator and eat up less of the cool air that the radiator is going to need. Whatever you run for a radiator, a tight fitting shroud and a 1st rate fan are also crucial to proper cooling..... Takes a few $$$$ to set up a proper cooling system, but IMO it's money well spent when it's on the street and you can go cruizin' without having to keep one eye on the temp gauge and the other eye on the lookout for a place to park and let it cool off!!!!!! For me, nothing more frustrating then an engine that won't cool properly.....