6 3 4 vs 8 harmonic balancer Harmonic balancers are tuned for a frequency of harmonic vibrations A 6 or 8 is really not the important question What you need to find out is what rpm are they dampening
Low performance 327s tended to use the smaller 63 4 inch balancers while the high performance or Corvette motors because they were driven aggressively and at higher C3 Tech Performance Harmonic Balancer 6 3 4 or 8 What is the difference between a 6 3 4 or 8 harmonic balancer Besides the obvious 1 1 4
6 3 4 vs 8 harmonic balancer
6 3 4 vs 8 harmonic balancer
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For a 350 or smaller engine you can use either a 6 or 8 balancer 8 balancers do better at controlling vibration and prolong engine life that s why Chevy invented them 6 balancers are like using a light flywheel The vast majority of them including what I posted above are the smaller diameter 6 3 4 balancer sometimes referred to as a 7 balancer A FEW big diameter 8 balancers
Getting the right sized harmonic balancer is more than just finding one that fits on the end of your crankshaft We talked with Fluidampr to get some info on what you should look for in sizing a harmonic balancer My current ride came to me with 6 3 4 balancer and tab for 8 balancer Had to install the correct tab to accurately set the timing Phil
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Im not sure you will feel the diff from 8 vs 6 3 4 on the balancer in theory the lite pcs will let you rev quicker this is for sure true on a 30lb fly wheel vs a 12 lb pc This is what is meant by externally balanced IF your previous rebuild had your crank internally balanced then you won t need to have balance weights on both the balancer and flexplate IF it is internally balanced you can
It appears I have two harmonic balancers to choose from a 6 3 4 inch and a 8 incher On another of my 69 s a SS 350 4 speed it appears to have a 8 inch balancer On The correct answer is the larger balancers are better for harmonics in the engine Also understand the ones you see listed that are the smallest they carry are not small in
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6 3 4 vs 8 harmonic balancer - A friend of mind says you can use an 8 harmonic balancer He says the engine will run smoother with the bigger balancer if the degree indicator does not interfere However