I'm wondering about what the mototuneusa guy has said regarding his hi-velocity intake ports vs what port shape we run now. Stopping or reducing the fresh charge from exiting the cylinders by he says by altering the port shape (smaller) and increasing the velocity by upto 30% has merits. Check out the above site please guys and lets have a chat. Zefarelly sounds like a good mix of components and ideas but do u need a new engine? I've always found that my car(s) (gravity racers) were faster down the straights if I found ways to get through the corners quicker.......trikes
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