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    60's OMC small hub large hub props

    Yes. There is a caveat to that story as we were using the waterskis that my father had custom made for him for getting up behind our 57 35 HP which was mounted on an Alumacraft FD. They were about two inches wider than traditional skis of the day. They provided much more surface area than...
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    60's OMC small hub large hub props

    I didn't know that about the development of the pointy lower unit. But it makes sense. It seems the 88/90 IO came out around 62 with the OMC tri-hull boats and then they incorporated the design into their outboards. It's funny you talk about skiing behind an 18, Texasmark. I grew up on a lake in...
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    60's OMC small hub large hub props

    Sorry. I meant to say I'm thinking of a 10 x 12. I remember our Caprice had one from the factory and we stepped down to a 10 x 9 1/4 and it made all the difference in the world for pulling skiers. It did run higher RPM's though. Maybe that's why the cir-clips eventually gave out in the pistons...
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    60's OMC small hub large hub props

    I have a 1963 75 HP Johnson mechanical shift. Right now I have a 10 x 9 1/4 prop for it and I want to prop up to get the RPM's down and get some more speed. I'm finding out that there was a large hub and a small hub prop. Mine has a small hub on it now. I have a couple beat up props that are...
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    Early 60's 75 HP Johnson general questions

    I have a 1963 75 HP on a 1965 Shell Lake and I am looking to put a different prop on it. As I was digging through my spares I noticed that some of them have a small diameter hub and some have a larger diameter hub. Upon searching I find out that both seem compatible. I am curious as to why they...
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