For top rpm operation amplified clearance amongst the rotors along with the housing is necessary to circumvent Speak to as a result of warmth induced expansion and rotational forces. For bridgeported and substantial boost turbo engines. See also two piece eccentric shaft underneath. The folks at JJSmotorsport did a fantastic https://mazdarx-7engine38157.goabroadblog.com/31173657/fascination-about-13b-rotary-engine-for-sale