SBC Chevy - Testing 6 Rocker Arms Part 2 AVERAGE LIFT over full lift cycle. Which is more important?
In this video I have done a more comprehensive test, taking 14 measurements through the entire camshaft lift cycle. I took lift measurements every 10 crankshaft degrees at the valve form -20degrre BTDC to 106 degrees ATDC. I have tested the same 6 rocker arms and additionally a Melling stamped rocker and 3 rockers from a new GM 602/CT350 crate engine. All 14 measurement were taken 3 times and averaged to achieve maximum accuracy. The camshaft used in this test is a COMP XE268H which has .318" lift at the lobe. The intake starts to open at 26 degrees BTDC. We started to measure at 20 degrees BTDC.
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