Originally posted by dalesmitsu
Reason why you need the proper 420a radiator is because the upper/lower hoses dont match up. If you something more creative try the Honda 1/2 radiator. http://www.2gnt.com/?d=Honda_1/2_radiator_Install

I got my welder to block off the original holes and got -16an bungs welded where the stock 420a necks are placed. Ill post pic when I pick it up.