jp b5 or ninja b01
i need to know if i should try the new ninja motor which has an almost unbelievable rpm range of 43000 or better and is supposedly very easy to tune. not many people run the motor but ive heard amazing things like rumors of 9 gallons or more. but then theres always the trusty nova p5 or the jp b5. please help need an engine now!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!