2006 38 DA

Richey rich

Richey rich

Active Member
Sep 23, 2012
393
Lake St Clair
Boat Info
2010 Sea Ray 450 SunDancer
Engines
Twin 480 Cummins w/Zeus pods
im looking at buying a 2006 38 Sundancer and the survey found that at WOT The boat should be between 4400-4800rpm. The sea trial showed the
At the boat maxed out at 4000rpm. Any ideals what would be causing the lack of rpm? The boat rides fine, gets on plane ok, just a lack of top end rpm. The boat currently has 4 blade 22 L 25 and 22 R 25 props.... I wasn’t sure if that’s what are supposed to be on it or not. Any help would be appreciated.
 
Sounds like they replaced the props and you can’t get that high on RPMs. Those are good for getting early on plane but you sacrifice top speed
 
25? That sounds steep. I'd want to know the history of that: Why they're on there and for how long, and did he know they couldn't reach WOT?
 
Not sure about the factory prop size, but I've seen a mid 2000 390 Dancer with 8.1's and 22x21.5" 4 blade wheels.
 
Richey rich said:
Anyone know what the factory prop is?
Click to expand...
The factory prop depends on the engines. With the 8.1's they were 21x22.5 RH and 21x23 LH. For the diesels they were 21x24 both LH and RH.
 
2006 38 8.1 prop and shaft specs, with prop recommendation straight from Searay

Subject: FW: SR : Contact Support (Global)

Teignbridge

PROP, 21"X 22.5"X 4.85"X 1.5" R4BC NIBRAL

PROP, 21"X 23"X 4.85"X 1.5" L4BC NIBRAL


If changing props, suggest Michigan Wheel vs the Teingbridge

PROP, 21"X 22.5"X 1.5" R4BC NIBRAL DQX

PROP, 21"X 23"X 1.5" L4BC NIBRAL DQX


Shaft:

SHAFT, SS 1.5"X 73.19" AQ19
 
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