Quote:
the twin SUs are capable of better performance than a downdraught weber for a couple of reasons. The most obvious is manifold design, and the second is reversion pulse interferance, but that's only really applicable if you have a decent cam. If the motor is (or will be) worked, the twin SU's will be a better choice. Plus they look sexier... They're also are very economical carbs - especially on the highway. I'd go for the SUs any day over a single downdraught.