"...Aside from the camshaft, one other factor contributing to the peaky nature of the M103 is the design of the intake manifold - the runners are fixed and short, indicating that they are tuned for high-rpm operation. An engine tuned for low-end torque would have long intake runners, while one tuned for both low- and high-rpm operation would have variable-length or multi-stage runners..."


Not only am I new [noobie?] to the forum, I am still perpetually learning about performance issues...

Thanks for the information, it is the kind of insight we need...

Again thanks and good luck!

Elusive 190e