Hi @ll,

A friend have a self build boat based on a 28 magnum hull, 2 x 250 hp suzuki 4 strokes 2008 (2.29 ratio), XL.
The boat is approx 3500 lbs.

We tried differents props :
- Mirage 3 blades, 29 pitch = 69 mph (over rev limit)
- Signature SL 4 15 1/4 x 32 = 59 mph (over rev limit)
- Signature 400 TH cleaver = 62 mph (6200 rpm)

Here are some pics of the boat.

If anyone have advices we took with pleasure (we know we should have L motors instead of XL. We can't up more the XL but we are on max on the transom with the XL).

We are lost on the props, the boat should reach more than 75 mph on freshwater.

Is the pad to big ?

Which props do you advise if someone already had this kind of setting (with suzuki, ratio 2.29...), and please don't answer me he should go merc, he is sturborn..Click image for larger version. 

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Many thank on your answers