the only thing twincam hi-rpm top heavy tq curve would rip up, is bottom ends of the long stroke thumper. Crazy piston speeds
Turning the motor into something it's not, spells disaster. Best to leave the HP wars to motors designed for that
If finding one good G54 cam is a challenge, try two... Classic example; this guy below went thru *four* Wade cams
http://www.sqperformance.com/forum/index.php?topic=59.0

Remember the first import 4cyl in the 7s was the shitty G54. From mild to wild street car, the 54 has u covered
This is SQC quickest active member. Simple basic combo. New unported NJV head. 9.5 1/4 mile, 5.8sec 1/8th
http://www.sqperformance.com/wp-cont.../4cylfury2.jpg
http://www.sqperformance.com/wp-cont.../4cylfury1.jpg


More than a handful of Ford 2.3sohc guys sucessfully mated the Volvo twincam head to their blocks. Google "FOLVO"
After all these years, not a single one of em runs at the 'front of the pack'. Works great on paper tho - lol