Flying Pig Posted March 18, 2008 Share Posted March 18, 2008 I operate a business that deals mostly in new and used racing parts and supplies. I also sell some things for the big trucks. I recently picked up the Pure Flow Technologies line that has Airdog fuel/air separation and Raptor fuel pumps.(similar to the FASS products) I want my customers to get the best value for their dollar they can and dont want them spending money they dont need to.My questions are then, how is the fuel supplied to the injector pump? Is it more like a Cat or Cummins? How much fuel is bypassed back to the tank?Cummins engines benefit quite a bit from getting the entrained air out of the fuel. Im told that the air pretty much passes thru the Cat piston style pumps as the injectors fill from the bottom of the stroke rather than the top.I have a customer with both an older Mack 300 straight truck and a newer Freightliner with a Detroit 60 asking for info. Im not your typical salesman that just says "it always works-trust me." Quote You'll never go wrong by doing right. Who do you call when the lawmakers ignore the law? Link to comment Share on other sites More sharing options...
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