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School me on cup size

braindead

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No not those ya pervs, props

I have 2 props, both 13", one has a 14 cup and the other is a 13 cup, I believe.

Boat is a 74 spectra 20 with a 454 Chevy, velvet drive and casale, don't ask what gears or hp, I don't know.

What's the difference between the 2 and which one do u recommend?

Most of the search topics that come up are for wackers

It's a cruiser, not a speeder

:beer
 

Instigator

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No not those ya pervs, props

I have 2 props, both 13", one has a 14 cup and the other is a 13 cup, I believe.

Boat is a 74 spectra 20 with a 454 Chevy, velvet drive and casale, don't ask what gears or hp, I don't know.

What's the difference between the 2 and which one do u recommend?

Most of the search topics that come up are for wackers

It's a cruiser, not a speeder

:beer

The difference between the 2 are one goes on the Bottom of the Boat and the Other usually goes on the Top of the Boat. However Either will go on your shaft.
I highly recommend the biggest ones that you can afford.:boobeyes:
How is that for a Braindead Answer to a Braindead Question? :D
 

braindead

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The difference between the 2 are one goes on the Bottom of the Boat and the Other usually goes on the Top of the Boat. However Either will go on your shaft.
I highly recommend the biggest ones that you can afford.:boobeyes:
How is that for a Braindead Answer to a Braindead Question? :D

Guess it's a good thing I only have a 1" shaft then::champagne:
 

hallett21

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Are you using the term cup instead of pitch?
 

025

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If you mean pitch then the 13 will go 13" forward per revolutions and the 14 will go 14". You just got to try them and see which one the boat like more
 

braindead

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If you mean pitch then the 13 will go 13" forward per revolutions and the 14 will go 14". You just got to try them and see which one the boat like more

That's simple enough. Thanks 025
 
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