Is the 16V rad just physically deeper and not wider or thicker?
Where my radiator currently sits is just like a U section panel with a couple of hole for mounting the rad. Would be simple enough then to either lower this panel or make a new mountings lower down. The other advantage is I could then fit bigger fans, if its 80mm deeper then going from 9" to 10" fans will give me about 25% more area of fan flow as well as a bigger rad.
How did you get round your bootom hose getting araound the 16V cam cover?