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Sea Ray
 BoatUS Boat Groups/Manufacturer Forums>>Sea Ray
Subject Topic: 5.7 fuel flows / rpm Post ReplyPost New Topic
 
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Davec
"Seaman Recruit"




Joined: October 04 2006
Posts: 6
Posted: October 07 2006 at 13:28 | IP Logged Quote Davec
Has anyone found a good chart that lays out the RPM/FF/MPH for the Sundnacer 260 with the 5.7EFI?  Seems like there is data on the 5.0 and the 7.4, but I can't find anything on the 5.7. 

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mostly happy 2001 260 sundancer owner.
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CAP10PAT
"Seaman Recruit"




Joined: July 23 2004
Posts: 7
Posted: October 10 2006 at 20:08 | IP Logged Quote CAP10PAT

I have a 4bbl carb on a pretty new 5.7L in a 26 Weekender. I get about 8gph at 2500, 10 at 3000, and 12 at 3500.  I think about 18gph is the max that engine can drink.

 
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b_arrington
"Seaman Recruit"




Joined: May 13 2005
Posts: 1
Posted: November 14 2006 at 09:13 | IP Logged Quote b_arrington
Nope, it can be thirstier.  I have an '06 270 Amberjack w/ the Horizon 5.7 engine.  At WOT (4800) it uses 21 GPH (by the system meter). 

I haven't seen a chart either, but last weekend I got about 16 GPH @ 4100, 14 GPH @ 3800 - 3900, 11-12 GPH @ 3500.

The 270 Amberjack and the 260 Sundancer hulls are quite similar, so the results should be comparable. 


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1990 Larson Hampton 22
Mercruiser 5.0L Alpha 1
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CAP10PAT
"Seaman Recruit"




Joined: July 23 2004
Posts: 7
Posted: December 12 2006 at 17:53 | IP Logged Quote CAP10PAT

I stand corrected. I wasn't thinking about these newer engines where they raise the max rpms. Of course if you spin it faster it drinks more. Actually, your other numbers are right in line with my old carb model. Thought they would be better.

 
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