Re: 30 bhp whats it feel like
Posted: Mon Mar 23, 2009 8:57 pm
Right , The et3 and p200 or any standard vespa/lambretta do not have power bands. They dont have any power either. They are all designed around a box pipe using primary compression to pump out gases. The problem is that there isnt really much more you can do using a box pipe design. Yes they can be improved. I can give you timings say for a p200 to improve it but there is a limit. This is why the expansion exhaust was designed/discovered. This is a two stroke engine and it thrives on getting gases in and out quickly. The expansion pipe and timings/areas with inlet method can be tailored to deliver the power you want where you want it. You will need to speak to someone who is 100% on pipe design and the effects of pipe design . I think what you want will be a custom designed pipe with a port layout to match. Any off shelf pipe I feel will not provide you with the low down power you crave! But all this work will never be a substitute for a big cc 4 stroke thumper motor. The new super monza may be somewhere near what you want.