Just to clarify, all A-bodies, 67-76, have the same radiator and core support locations. Core support to fire wall is the same for all of them.
Yeah, Griffen's electric fan set up includes two Spal fans, that move a combined 1,694 cfm. That's about
half the CFM you need to move to successfully cool one of these cars. The fact that they sell that as a combo for an A-body is darn near criminal, there's no way that would work.
Griffin ExactFit ComboUnit Radiator Details for - 1971 Dodge Demon PartNumber: CU-70154
By comparison, the Ford Contour fans I have on my car push ~3,000 cfm on low speed and about 5,000 cfm on high speed. Under 2,500 cfm isn't even worth trying.
Ouch. Yeah that's a problem.
You have to be careful even with the really thick two core radiators. For example, if the tubes are 1.25", that core will be more than 2.5" thick. Even with the core right up to the support that will be about all the space you have if you want to run a decent electric fan. The OE Contour set up I run is 3" deep in the middle, and 3.5" to the back of the motors. It's not the thinnest set up available, but it's not far off of it either...
