73 Duster 340 4sp resto

Thanks, I used the Champion 374 radiator. Its a very close fit at the top, i had to bend down the outer corners of the radiator support just a bit to make it sit low enough to clear the hood. I just lined up the shroud to where it should fit for fan clearance and drilled new holes in the shroud and mounted to radiator. If your not running a stroker or big compression you should be able to use a stock 26 inch replacement from someone like Rockauto. My car stays nice and cool with the Champion, but we don`t see those FLA temps up here in RI ! Lets see some pics of your car !