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Old 07-21-2002, 11:47 AM
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Default Raw water pumps

I've had it with Mercruser's rubber impeller's.

I have changed 4 on the water so far this season.

Has anyone tried the Globe Blue Impeller's?

Are there any other solution's?

Steve
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Old 07-21-2002, 12:19 PM
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I am. second year, so far so good.
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Old 07-21-2002, 01:30 PM
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I've had two in the past 7 yrs.

The only reason I had the second is, I started the boat on the hose and the muffs fell off.

They will work for a long time as long as they get water.

DAVE
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Old 07-21-2002, 02:33 PM
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Was just wondering are you running strainers?
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Old 07-21-2002, 09:57 PM
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I am running Sea Strainer's, plus additional low water pick-up's.

HP500EFI's with Whipplecharger's, the stock circulating pump's were removed.

If the motor's take more than about 5 second's to start than the impeller's are in pieces.

Steve
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Old 07-21-2002, 10:11 PM
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Have you ever looked to see if the strainer is full or empty before you start?Could it be draining out when you pull the boat out.Seems to me whenever I do have to pull off my in hose it allways seems to have water in it but I am not running a strainer.Hope you get it .James
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Old 07-22-2002, 02:15 PM
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I know I have had no problems with them since switching to the JOBSCO (sp) bronze pump before that it was at least a yearly thing if you get a lot of air the plastic Merc pumps wont hold up.
 
Old 07-22-2002, 02:25 PM
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I did not think that they made a globe blue for a bravo raw water pump. If they do where can i buy one. Last year I asked george for one and he could not get them.

Thanks
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Old 07-22-2002, 03:56 PM
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do a search on this topic a few board members myself included noticed a oil temp rise with these impellors I tryed them and one failed after 20 hours
You will also need to find the key adaptor as they don not have a flat as the standard Merc ones
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Old 07-23-2002, 05:34 PM
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Default Globe Blue Impeller

I ordered the Globe Blue Impeller's from Defender's Marine [ Part 2000].

I also ordered the required key's [Mercruser part no.28-56662] a requirement from Globe to adapt to the shaft

I also have been investigating Keith Eikert Single stage units. There are expensive [around $800.00 each] Has anyone tried the KE pump's?

Steve
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