I've been running mine disconnected for a while and the top end power is impressive. The difference of the extra timing and slight increase in fueling was suprising. I expect that the more your pump is turned up the more noticable the change will be. Many of the VE pump cummins guys run theirs' powered and have shown 30+ hp increase at the rear wheels with back to back dyno tests. Obviously if your not trying to push your car to the limit like I am, this may not be the best idea for you! Interestingly, on the 6bt cummins application, our high altitude corrector is used as a cold start device to aid with cold start ups by advancing injection timing. On the cummins pump the soleniod is wax pellet that heats up slowly so it takes a while to come down to normal as the engine is warming up. Why they didn't do a manual fast idle/pump timing advance lever like our engines have I couldnt' tell you. Just a little VE pump info I thought may be interesting to you guys.
Jason
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