does the LS power stage use mosfets or igbts? I suspect i read somewhere its igbts. If so your probably not driving them at full capacity with a stock control board. What gate resistors are you using? Also consider another resistor and fast recovery diode in inverse parallel to aid turn off.
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Now, Cole, when you shift the gear and that little needle on the ammeter goes into the red and reads 2000 Amps, that's bad.
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