Ron Hill 9x4 prop

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Ron Hill 9x4 prop

Postby Rhock19 » Fri Sep 06, 2013 9:54 am

anyone ever run a ron hill 9x4 prop?? Ive heard a lot of good and bad about his props and im not sure if i want to get one. basically im looking for a better load carrying prop for my beefed up 16 hp longtail. I run a 9x5 now and its great when theres only two ppl in the boat. but once i put another guy and gear in its a dog. with two guys im running 3400rpm in water and three guys amd gears its at 3000-3100 rpm. any thoughts would be appreciated
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Re: Ron Hill 9x4 prop

Postby Mark F. Cheney » Fri Sep 06, 2013 7:01 pm

I would start that motor with an 8X7 prop. I use this size on strong 14 HP motors and get great performance from them. I would think maby you should look at your motor for issues some where for that 9 X 4. It ought to be able to hold that at strong RPMS. Maby read your plugs to see if you have a rich or lean condition because of your altitude. This is common as is tired plugs or plugs with the wrong heat range. And maby several other things as well. Could be a gov. setting too.

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Re: Ron Hill 9x4 prop

Postby Rhock19 » Sat Sep 07, 2013 3:02 pm

the motor runs great and checked the plugs a few weeks ago. reading is perfect. Ive put a 23 hp cam, thin head gaskets, advanced the timing and made a fred flowing exhausr for it. the motor runs really well and powerfull im just not getting the revs i should be with the oversize prop. curious to see what people think about ron hills props. Im putting a bigger carb on it in winter so itll push the 9x5 plenty fine after that. im just looking for a heavy load prop for duck season
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Re: Ron Hill 9x4 prop

Postby Mark F. Cheney » Sat Sep 07, 2013 4:07 pm

Not all prop makers props are identical. There is some variation by different good makers. If your going to go to the 9 x 4 and it is by the maker of the current 9 x 5 that you are running then it would probably give what you are looking for. However, if your 9 x 5 is not a Ron Hill, then switching makers might not give what you are looking for. I would go to the 9 x 4 by your 9 x 5 maker.

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Re: Ron Hill 9x4 prop

Postby cootlover » Sun Sep 08, 2013 10:00 am

I had a mud buddy prop on my 27HP I think 9-6 and put ron hill prop on it made a big difference all around.
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Re: Ron Hill 9x4 prop

Postby threedogs » Sun Sep 08, 2013 2:15 pm

PM sent.
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Re: Ron Hill 9x4 prop

Postby duckslayer74 » Sun Sep 08, 2013 8:50 pm

cootlover wrote:I had a mud buddy prop on my 27HP I think 9-6 and put ron hill prop on it made a big difference all around.


I made a huge difference in your boat. :thumbsup:
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Re: Ron Hill 9x4 prop

Postby Rhock19 » Mon Sep 09, 2013 7:51 pm

I run a backwaters inc prop now but they currently dont make a 9x4. either i got with a ron hill for 160(i think) or a go devil for 225. threedogs did u pm me? never got it if ya did
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Re: Ron Hill 9x4 prop

Postby threedogs » Mon Sep 09, 2013 8:48 pm

Rhock19 wrote:I run a backwaters inc prop now but they currently dont make a 9x4. either i got with a ron hill for 160(i think) or a go devil for 225. threedogs did u pm me? never got it if ya did



Yes and here is the message...


Ron Hill is a personal friend of mine. He makes props for everything from drag hydros like mine to outboard race props to mud motor props. This being said sometimes the QC is lacking but he has always tried his best to make it right. Good or bad, you decide.
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Re: Ron Hill 9x4 prop

Postby Rhock19 » Tue Sep 10, 2013 3:16 pm

thanks threedogs. but i think im going to hold off on the prop. mine only has 8 hours on it and im going to see how it runs after an upgraded carb. and once it wears down a bit. good luck this season boys!
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