Yes that is true... But that ho pump is going to limit the FUEL his truck gets... For instance, if I have a vp that tops out at say 525hp, I have a set of 200hp injectors and a super b special. 200hp injectors will put out over 525hp, but I wouldn't have enough fuel from the vp to feed the 200's. Regardless if you put twins on it or not, There would be no need for AIR if you don't have a better supply of FUEL. Yes he will notice quicker spool up and he wont loose as much boost between shifts so it will be a better use of the fuel he has, but as for top hp gains he wont see much. And I believe the Vp does have a plunger, heard you can break it by lifting off the go pedal in a wot run. Not 100% sure on that though. And It does have a cam in it, monster mike reginds the cam in his pumps to add fuel..... Also gives the truck a killer lope!! haha

 

They still have a cam ring, it's what the plungers follow. They don't have a inline cam, pushing plungers up.


LBM Electronic - Automobili
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??? Ok... we'll see. I'd like to see the dyno sheets of him making over 500hp now, and the dyno sheets of him making WAY over 500hp with twins. Theres just not enough fuel to compensate for the air. Both these trucks below have 200hp injectors twins and Steve was the only one to break 500hp. Read the comments on the video aswell