Quote:
Originally Posted by FullBlown
Just curious as to why you have it set up to do progressive fueling. We have sold a ton of these kits and the best way is to activate the second pump at a low boost pressure (3-5psi). Another way is just to have them stay on all the time. Im not sure how blaqops is progressively controlling the pumps but that would put more stress on the pump if it had to ramp up and down all the time. Plus it just adds more to the equation for failure. I,m guessing he is using some sort of voltage regulator to do so, but that's just my guess.
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It seems like a lot of the fuel from the main pump is getting pushed back into the tank when the other pump isn't on. It won't support any amount of HP when the other pump isn't on. You have to have the secondary pump come on immediately to get it to transition into boost without going lean and misfiring. I am not sure what the advantage of the progressive setup would be, just seems to add more possible problems. With your Fullblown setups on the 8/9s we were always fine having the second pump come on at even higher boost levels like 15-20+ PSI and it still be able to support good power on 1 pump and be a totally seemless transition when switching the second pump on at those kind of boost levels. With a lot of the bigger power setup we run both pumps all the time, just need a decent FPR that can handle it at idle/part throttle. I just did a Supra that runs 2 pumps all the time and the third pump comes on at 27psi.