trim pump info needed
 

rerigging a boat and it is getting #5 speedmasters and need to order new trim pumps. all the ones I see are listed as either Bravo or #6 drives. anyone know what the pressure and volume of each is? assume the 6 drive uses higher pressure as the cylinders are short and the 5 uses a longer and I think smaller diameter cylinder so what is going to be the effect of the different pumps. as this is a cat I dont really want it to move too fast as I would rather bump the switch a couple times rather than have it move a lot all at once. what version is everyone using for #3, 4 or 5 drives?