I think the Kenne Bell works great on the LS engine. It does not care what its on top of for the most part. I tuned a Stock C5 Z06 a couple weeks ago with the 2.6l unit on it. Through stock manifolds it made over 530 to the tires with out even trying. I know a 112 would not do that with a 2.8" pulley on it. The temps were 110-120 at the start of the runs and 150 or so at the end. About the same as a 112 making 480 to the tires. It was making another 12-14hp per degree of timing I added at that point, I still quit at 18 for safety.
__________________ TJ 
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