Attention: TDR Forum Junkies 
There are other things in addition to the cam that make the differences between the early and late CR engines, chiefly the power output.
That extra 20-60 HP has probbaly the largest effect. Injection timing, injection pressures, nozzle sizes, etc, all play a part.
That extra 20-60 HP has probbaly the largest effect. Injection timing, injection pressures, nozzle sizes, etc, all play a part.
