Well see that's the thing...all these engines have particular characteristics.. there is no one super engine that has the best of everything.. there are some engines that have better bottom end and other engines that have better top ends.... There is no engine I know of that has the bottom end of my Tuned 8 port and still has the top end of my modified Paloma, no engine like this exists.... the Paloma peaks at 27000 RPM and the 8 port at 20000 RPM....both will spin past 40 000 RPM, both make the same HP figures, but the power curves are completely yin and yang to each other.... in a drag down the straight I would take my Paloma, and popping a short run jump I would take the 8 port... on a slippery track I would take the 8 port as it can pull a very low clutch stall and make finding traction much easier, on a grippier track I would clutch the Paloma up a touch and let is loose...As I say choose the engine according to what you are after and understand that no single engine has the best of everything, in order for a engine to have a crazy top end some bottom end has to be sacrificed and in reverse to have crazy bottom end some top end has to be sacrificed.,,Ideally we want the engines to be well rounded and for the most part all todays engines are, but even though all the engines are capable they each have their own personalities and powerbands...... Ultimately the 8 port has a unique powerband in that it makes crazy power at a very low RPM yet still retains the ability to spin past 40 K...It doesn't make as much power north of 25 000 as my Paloma but it still manages to hit the same RPM range.....