Originally Posted by
rsmark86
if it had 45 dcoes and a better exhaust sytem it would have seen 180+bhp and 8500rpm easily
The bottom end - maybe. But the cylinder head sure would have been upset. High revs combined with solid lifters and double valve springs are far more than the CVH was designed for. At around 8k and more the rocker bolts will be pulled out of the head along with the thread.
Will end up like this (what happened around 7k!):
