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Old 12-06-2015, 03:23 PM
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Originally Posted by 1fastlx
Both have a W cast in the housing. I was not aware that b&m bought castings from weiand.
He is correct. And Holley/Weiand bought b&m so that's why the W is on the 250.

But anyway they are pretty close but 2 different blowers. Still a good price though!!
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Old 12-06-2015, 04:04 PM
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Thanks for the info. I was not sure of the time line when holley was buying everything in sight.
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Old 12-08-2015, 06:52 AM
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Ttt
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Old 12-09-2015, 01:26 PM
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[ATTACH=CONFIG]548586[/ATTACH][ATTACH=CONFIG]548587[/ATTACH][ATTACH=CONFIG]548588[/ATTACH][ATTACH=CONFIG]548589[/ATTACH]
These are in very serviceable condition as is or very easy weld and grind to bring back to 100%
Attached Thumbnails 575 sci superchargers-20151209_120913.jpg   575 sci superchargers-20151209_120945.jpg   575 sci superchargers-20151209_121016.jpg  

575 sci superchargers-20151209_121024.jpg  
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Old 12-09-2015, 02:06 PM
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do you have the thermostat housings?
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Old 12-09-2015, 08:16 PM
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No. Only have what is pictured. Blowers, intakes, lower pulleys, 2 sets of upper pulleys (3.5" and 4") and the belts. Im pretty sure thats all.
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Old 12-10-2015, 08:20 AM
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interested in the small pulley's
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Old 12-10-2015, 09:47 AM
  #18  
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Originally Posted by Wilks
One is a weiand 256. The other is a B&M 250.
Mercury started out with the 256 and switched over to the 250.
They are both Weiand 256 blowers, one is a Mercruiser hard anodized case and Weiand machined off, the other is a newer case but has the Mercruiser drive on it, I would say someone lost one blower and purchased a new blower section at one time. Good luck with the sale.
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Old 12-12-2015, 05:15 PM
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Still for sale! Lots of interest in the intakes. If you are looking for a spare blower pm me Im sure the intakes and pulley setups will sell.
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Old 12-12-2015, 07:02 PM
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Weird, looks like the rear bearing covers are mismatched. Like they should be swapped around to match the front covers on each blower. They are 256 Weiands, one being a Merc blower (anodized case) other looks to be a non merc blower.

I see one is teflon stripped, is the other one also? I don't believe the 256's were teflon stripped either from merc, or from Weiand. The 250's were, both from B&M, and Weiand (weiand/holley did take over B&M).
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