I run 23 Hydromotive quad 4s on my stepped Fountain. Hydromotives were std. props on Fountains before a Fountain Mercury business merger. The 23 pitch Q4s have equivalent pitch to a Bravo 24 and generally run a little quicker on most Fountains but it sounds like you may need to go to a 24 or 25s to drop the RPMs. Call Hydromotive and they will let you try props to get the right one. I run 64-65 MPH @ 4950-5000 RPMs. Sounds like you'll need more pitch than what I am geeting from the 23s.Good luck!

I would highly recomend Brett @ BBlades. He can get you any brand prop you want but the difference is he's only interested in getting the right prop for that boat. You have the option of trying as many as you want and it's an affordable way to make the best decision.

He got over 4mph for me so far but it takes patience.

Good luck

prop choice
 

thanks guys for all of the info ive got a hdromotive 24p to yry this weekend and a new bravo 1 24p

My 1998 27 Fever with 415hp had a 24 Hydro, you should see right at 70mph

I had a 27 Fever 2001 model 500efi, ran 25 Hydro got 74gps, ran a 26 Hydro got like 75gps and was slow as chit getting on plane, also all mine were RH rotation so I had a nasty list to port.

WILL

27 fever prop choice
 

ive tried a hydromotive 24 l/h 4 blade at the w end porpoised realy bad and was slower than the ground down b1 that came with the boat i matched it up to a new prop and its smaller some ones had the grinder on it to cover up dings in the blades maybe a new 24 bi is the answer also what is best l/h or r/h and why does it come with l/h from factory whats fastest ?

Sam,

The LH rotation the boat will ride more level. I always thought a RH was faster but I honestly don't have proof.:ernaehrung004:

In our 29 with a 575SCi, the RH prop was ~ 1 mph faster (tried both RH and LH back-to-back), but the boat listed really hard to port with the RH prop, to the point that it frightened my friends and my wife. LH prop had much more level ride, especially when getting up on plane and just breaking over on plane. The ~ 1 mph could have been just the difference in props, though, too, since they were not labbed, but bone stock *new* B1 30p props. Boat we have now has a RH prop on it and I don't like it, I'm switching to LH prop even if I were to lose 2 mph!

prop choice
 

thanks guys

So what boat was it with the list to port?? Single engine? You got my attention.

Mine was a single 2001 27 Fever, 500efi. and yes with RH prop it listed to port hard in mid range, top end, is fine. I swapped props back and forth, and felt the same that the RH was just a hair faster.