Additionally, the cooling fans are triggered 15 degrees cooler, the rev limits and speed limits are raised and the ignition and fuel tables are calibrated for optimal power. The EVP software tune alone unlocked an additional ~13 WHP from this 925CC Polaris Prostar engine on 91 octane fuel with stock exhaust. We installed our EVP Performance ECU software calibration to improve overall power of the engine on pump 91 octane fuel and gained a tremendous power improvement over stock. All stock which translates to about a 18% drivetrain loss.
We baseline dyno tested the 181 crank HP Pro XP on our Dynojet chassis dyno at 148 - 150 WHP.
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