BAD: To get good power out of a N/a rotary requires bugger all really, but does involve a very free flowing exhaust (induction, inlet & exhaust ports,primaries and mufflers) which is mucho noisy. Building a tough but reasonably quiet N/a rotary for the street is impossible. Muffle them = lose power.
That's why extend ports or 'street' ports are all that's worth having on the street (unless you like loud exhausts 24/7).
Build a bridge, J or peripheral port and muffle it makes it bugger all more powerful than a simple extend port (until you drop the exhaust and then watch it go like a cut cat)
The best rotary for the street is a turbo one as the turbo naturally muffles the exhaust without robbing power akin to a n/a motor. This is the only way to have a quick and reasonably quiet rotary powered car for the street.
Not a big issue but they also run VERY hot for such a small thing. I have found all the ones I ever modified always lasted very well provided you keep very regular oil changes up to them. I also used premixed fuel and dropped the direct oil injections thingo's as injecting dirty oil into an engine just didn't make any sense to me at all.
Oh yeah, thirsty suckers is no understatement.
I must be getting old as I used to love the sound of them, now I hate the racket and smell.
Hope that helps in some way........
Wed, 07 July 2004 07:27
