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  Rage 15 TurboJet performance boost.

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Author Topic:   Rage 15 TurboJet performance boost.
wpreo posted 08-12-2002 04:46 PM ET (US)   Profile for wpreo   Send Email to wpreo  
I have a Rage 15 with the OMC 115 TurboJet. The Jet performance was weak, to say the least, and I was considering a complete re-power. Before that time and expense I tried to improve what I had. Evenrude has been using the 115 power head for years. The problem is not with the power head, but instead with the jet drive itself. I found a fix that gives about a 25% improvement for $250. I'm very happy with those numbers and will keep my "improved" Rage as-is.
The Fix is a 5 inch stainless steel "stuffer" prop mounted in front of the impeller. This small prop pre-feeds the impeller and eliminates any cavitation. Hole shots are improved substantially, high end speeds are not affected, and low speed handling is improved. I can now plane quickly with 3 200# guys aboard. No way before. I also think it handles weed clogs better. I still don't think we will be slalom skiing but tubing is now a real possibility.
The stuffer prop mounts on the splined coupler that connects the impeller assembly to the drive unit. No permanent modifications are required but the prop should be press fit on the shaft and balanced.

For more info on the Stuffer Prop solution contact:

Willie Priaulx

cmsouth posted 09-18-2004 04:50 PM ET (US)     Profile for cmsouth  Send Email to cmsouth     
I got the doc on this from Willie and it looks interesting. Any Rage owners that have tried this and found that it helps?


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