2004 GW Gulfstream 232 w/ twin Yamaha F200's - what prop?

coldpizza

GreatGrady Captain
Joined
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Location
Los Angeles, CA
Model
Gulfstream
Long time lurker, infrequent poster....
I have a 2004 GW Gulfstream 232 with twin Yamaha F200's that I bought earlier this year. I have only been able to make 5300rpm which is bottom of recommended range. It has a hard top and bottom paint. The stainless steel props are marked 19M which I assume is the pitch. They appear to be 15" (could be 14.75 or 15.25). Anyone have an idea of what the diameter and pitch should be? Checking GW website performance, it indicates a 14.25"d x 18"p reliance prop. But it looks like a different F200. Mine is 3.3L (I think) the GW website shows based on the 2.8L. I'm a little skeptical of the website as it shows the test date in 2013, I don't think the 2.8L F200's were available then.
In any case, if you have the same boat, I'd appreciate knowing what prop your running. I don't want to be overpropped, especially on 15 year old motors.
Thanks in advance.
Len
 
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