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| Building a 15 inch, 3 cylinder OMC nitro with 2.4 gears https://hpbc.ca/viewtopic.php?f=19&t=3795 |
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| Author: | Hounddog [ September 22nd, 2017, 2:39 pm ] |
| Post subject: | Building a 15 inch, 3 cylinder OMC nitro with 2.4 gears |
I mentioned on the site that I was making one. I think it is a very low cost improvement for a 49 cubic inch lake runner. You could make one up to run on a long shaft 49 as well. It would require you to weld the drive shaft. You can also weld up a 15 inch drive shaft if you do not have a 15 . To do the lower unit you need: -15 inch 49 drive shaft - a 2 cylinder 40 to 60 lower unit - a 3 cylinder water pump - a lower unit seal kit. The shift rod needs a little bending at the top and you will need to shorten the shift rod if you used a long shaft lower unit. If you have the 15 inch 3 cylinder shift rod it fits. The complete assembly fits together with no issues just like it was a factory stock part. Total cost under $700.00 including labour to assemble it. I do not have the tools to do lower units. Great option when you consider the cost of a 3 cylinder nitro. |
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| Author: | Hounddog [ October 1st, 2017, 11:24 pm ] |
| Post subject: | Re: Building a 15 inch, 3 cylinder OMC nitro with 2.4 gears |
I found this post for selling SST60 parts interesting? http://www.screamandfly.com/showthread. ... 582-Sst-60 Appears to be: - SST60 mid - mod oval port motor - 2 cylinder nitro with 2.4 gears just like the one I just built - a 12 x 21 prop??? Can't be run as a unit for sure. |
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