Chris Tharpe
New member
I have a tsf-2421 thats made for 12gpm @2500 but I would like to get 8gpm out of it. What can be done when using a gearbox to do such a thing. Idle down the engine? I only need to get 8gpm at about 1600psi max out of it and will be done with a 18 or 20hp engine