tb42! just got extractors whats the next performance step, its carby feed with lpg running an impco mixer. just fitted lukey extrators and 2.5 inch hi flow system. im not lookin to spend much, i was thinking of doing the dizzy/electronic (Pertronix Ignitor) i was also thinkin of a dual snorkel system to feed a sealed air box that would sit on top of the carby around the filter, n e one done this??? thinking of having the ducting entering the airbox at angles on opposing sides of the air box as to create a cyclonic effect inside the box. spoke to a couple ppl they recon it will work if u can get enough gas/petrol into the engin. n e thoughts???