575cat

Who has or had a 38 with 700s w 6 drives what props are you using @ what speeds ?

ARB38

I had an 08 and it ran 122 plus with 39 pitch 6 blade Herrings. It had a stage two Whipple mod and Brian Forehand did the bottom. Also 1:50 ratio.

VoodooRob

122! That is moving, nice set-up

575cat

What about stock setup props ? I have 17.25 36 15 r 5 blade and hits the limiter about 90 .

ARB38

With the same 39 pitch props it ran 114. I think that it was turning around 5300 or so rpm's.

575cat

Still 6 blade ? did you have vent tubes ? thats quite a bit of difference from mine .

ARB38

It was with the 6 blades and it did have vent tubes. You probably know but the vent tubes do not help the speed. The boat was also no speed demon getting on plane.

575cat

Mine does not have vent tube I would most likely have to put them on with 6 blades. Do you remember prop diameter , rake , rake ect Hering or Merc ?

ARB38

17.25 diameter, 16 degree rake, 6 blade Herrings. They came on the boat from the Factory

575cat

Thanks for the info ARB .