the correct prop?

[rwcrazy]

i have a 1978 85hp, 15' glastron, any idea what size prop should be on there?
Thansk

 

[Crownie2]

Re: the correct prop?

I'd guess we are going to need someone with knowledge of that boat and motor combo, or a baseline from an existing prop.

Bob

 

[walleyehed]

Re: the correct prop?

13-1/4X17 or 13X19 should be pretty close..
If that's the tri-hull Glastron, which I'd guess it is by vintage, the 17 should perform real well.
Do you have a tachometer?