no need to upgrade the fans b ecause they should bolt onto the new rad if you have bought the right item for the car. 1.3 bar cap should be fine, you should be able to keep the standard cap for the top tank with out problems

__________________
Marti


Car: C Red S13 Silvia 2.3l 400+rwhp-SOLD
Daily ae82 4age corolla (light mods)-Sold
Daily:SWB GQ Patrol
Will be a 03-04 STI next