How much power would be lost with 6,000rpm shift points?
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How much power would be lost with 6,000rpm shift points?
Just wondering how much power I would be losing having my shift points set to 6k on my heads/cam ls1? I'm doing this to drag out the life of the stock 4l60e. Thanks for the help!
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Originally Posted by cerebrex
the TSP Torquer II is what I'm running with their TSP CNC LS6 heads (stage 1).
That cam should peak somewhere around 6200-6400ish depending on what LSA you have it on. Do you have a graph I could look at? The general rule of thumb for an auto would be to have it shift ~400 rpms higher than where your peak hp occurs. I would have it shifting at 6500-6600 without even seeing the graph.
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The graph is on the first page of the dyno section in the thread about the torquer v3 made by Brian @ Texas-Speed. I changed to the v3, but my goal remains the same. I want to put the shift points at 6k so that the stock transmission lasts longer. Power doesn't kill them, high RPM's do.
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i'm with brian, anything shy of 6500-6700 you will be losing quite a bit.peak hp will be atleast 6300-6400 and shifting that early you are dropping way below your optimum rpm range.only one real way to tell = hit the strip with 6500-6700 shift points atleast once and see.