DD, you say that its neither the torque or the HP but weak/poor design that means the upgrade is a good idea.

If it is weak design, then surely its either HP/torque combined with RPM that is the culprit.

If the majority of the pressure on the crank is during the power stroke (down after compession) then surley more cyclinders and in a v configuration would mean less stress/flex since there is a power stroke with less degrees of the cycle. (4 cyc is 180, 8cyc is 90), and a v config puts it at an even better angle for even distrubition of stress.


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Comparing two engines across different generations of cars is probally not fair as to smoothness.