A&Q about 350Z
Q:
I agree 100% with zagrot, but I wish to add something. The construction of the intake is less critical with forced induction, but only under boost.
For instance, if you construct an engine designed for low-rpm power but use a large, short-runner intake, you'll have sluggish performance. If you add a turbo tuned for high rpm boost, you'll have an engine that is frustratingly sluggish until boost comes in.
Although the intake design has less importance under boost, its still wise to tune a proper intake for times when you're not under boost. I guess what I'm saying is, since intake design has little to do with performance during boost, but a lot to do with performance off boost, design it for the naturally aspirated engine so you have the best of both.
A:
Thank you very much. Yip, by forced induction I mean the Turbo route, the only route!!!!!!!!!!
A:
You guys are rocking.
A:
one thing i haven't seen mentioned, & it can make quite a bit of difference, is port matching. not just between intake & head or head & exhaust but also port matching your gaskets. ideally, you can get all your ports to equal sizes between cylinders for equal flow, but also, matching the mating surfaces of the intake/head so that the openings are precisely the same shape & alignment, AND trimming the opening part of the gaskets so that the transition from intake, across the gasket, to the head, is a completely smooth one. granted it is a time consuming task, but one that yields an engine that doesn't have as many "quirky" spots across it's rpm range.