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B&M 250 thermostat housing

Old 03-09-2011, 12:56 PM
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Default B&M 250 thermostat housing

Any help you guys can lend would be great!

I am converting my NA 509 over to FI with a B&M 250 blower. I currently have the oem recerc pump and thermostat housing on my motor.

My question is this, where can I find a recurculation thermostat housing that will bolt on to the front of this B&M intake manifold?
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Old 03-10-2011, 07:10 AM
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not sure on the B&M but the weiand's used a adapter to move the therm housing out from under the blower on their marine units, I used a crossover and a short aftermarket housing and worked fine
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Old 03-10-2011, 07:42 AM
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Originally Posted by ezstriper
not sure on the B&M but the weiand's used a adapter to move the therm housing out from under the blower on their marine units, I used a crossover and a short aftermarket housing and worked fine
I think this is what your referring to (although this is on my truck). Should be able to adapt to marine.
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Old 03-10-2011, 03:00 PM
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the one that came with mine moved it foward and off to the side a little...but blower was smaller...I did not use it as the smaller therm housing cleared ok..
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Old 03-10-2011, 05:58 PM
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We used to use the housing off the Mercury 800, but it's no longer made.

http://www.mercruiserparts.com/Show_...ND+WATER+HOSES
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Old 03-10-2011, 07:38 PM
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check out cpperformance,i bought one for my tbs-250blower.it should work on your b&m.
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Old 03-11-2011, 05:26 AM
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Originally Posted by bcfountain
check out cpperformance,i bought one for my tbs-250blower.it should work on your b&m.
I don't see anything listed on their website that is made for recirculation, just crossover.
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Old 03-11-2011, 10:46 AM
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Stainless Marine makes a kit 04-111250 for a 250 B&M . It includes a crossover.To run the stock pump you may have to fabricate a custom housing.
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Old 03-11-2011, 10:59 AM
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Originally Posted by 737jetmech
To run the stock pump you may have to fabricate a custom housing.
That's what I was afraid of.....
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