ok as of right now my 1990 T/A has a 305 TPI, 700R4, and dual fans. the fans are acting up and I want to upgrade anyway but here's my problem. the 305 has bad rings so I'm swapping in a 350 TPI as a temporary engine while I build my LQ4 based 408. When the 408 goes in I plan on swapping a T56 manual into the car. will I need to get the automatic or manual radiator and will it work with all three engines? what about the fan. I already have a dual fan setup so would it be better to just troubleshoot and find out why they aren't coming on?

 

you need the auto radiator for the 700r4, of course,which will work with the manual trans in the future.just need to plug the holes the trans lines go into.
as far as the fans you could save $ and fix what you have , they will be fine.

 

9 time out of 10 its a wiring issue, a loose ground or such, or as last resort wire them for manual switch
i'd keep what you've got, and then install an upgraded cooing system to go with your $ engine/trans