Inline 4 cylinder comp motor

[art leong]

Originally Posted by RJ

For those that run them, what is the biggest issue facing a inline 4 cylinder comp motor? - vibration?, spread between intake cycles?

I see some with IR setups?, and some with plenums?

Thanks

I've been searching the same subjects. And It seems like Individual runner/throttle body. seems to be a little better in the torque department, while not giving up horsepower.