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Not a Nissan owner anymore, but I thought I could share a couple of pics of my old Nissan Terrano (based on 1st gen Pathfinder frame).
Actually you have it backwards, the reason resonators are added is to reduce the harmonic pulses at certain RPMs caused by the fuel detonation. Its called the helmholtz resonance. Each time a cylinder fires, it creates a harmonic pulse back through the throttle body. If not designed correctly, especially in engines that are 2 or 4 cylinders, you can feel these pulses of air being pushed out the intake. This causes flat spots in the torque at higher RPMs.
Someone a while ago had a dyno sheet of a before and after, i think back in the XOC days of yore, it increased torque at lower RPMs but lowered the overall torque at higher rpms.
@ humz..... :drool:
That Frontier is gorgeous!
x2 Nice rig, humz.
Let's see a build thread. Gotta link?
Thx. ~Ben












