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B&M 250 blowers

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Old 04-14-2019, 07:15 PM
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Default B&M 250 blowers

Nice set of polished BM 250s. Bought these for a project and went a different direction, under ten hours on rebuilds according to previous owner. Water passages look good. BRAND NEW Holley 1050 dominators on them. 4800$ for everything, includes v pulleys and blower pulleys for crank. Will sell for 3600$ without carbs.

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Old 04-15-2019, 09:29 PM
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Default What do they fit?

What do they fit?
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Old 04-16-2019, 07:41 PM
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Sorry, they fit shortdeck bbc, rect intake port.
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Old 04-16-2019, 08:41 PM
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Great price to get in the blower game. I run this same set up on my motors. Single carb jetted properly yields great AFR results and is pretty much dead **** reliable.

GLWS!
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Old 04-17-2019, 04:30 PM
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Thanks jamontes, curious to know what engine you ran them on, and how much power/boost you made. I've heard 675hp is possible with a hp500 and 6lbs of boost. That's good reliable bolt on power.
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Old 04-23-2019, 11:55 AM
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These still avail?
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Old 04-23-2019, 02:14 PM
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Originally Posted by jamontes View Post
Great price to get in the blower game. I run this same set up on my motors. Single carb jetted properly yields great AFR results and is pretty much dead **** reliable.

GLWS!
What motors are you running?
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Old 04-24-2019, 08:38 AM
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I would be all over this deal if someone would buy my number six drives
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Old 04-24-2019, 09:57 AM
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Originally Posted by navy252 View Post
What motors are you running?
Gen 5 540's... Yes, the 250's are a bit small running 4lbs. 90/94 jetting 6.5PV in the carbs. They are an old Nickerson set up.

Idle at 800 and AFR's stay around 11 - 11.5

Last edited by jamontes; 04-24-2019 at 10:04 AM.
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Old 04-24-2019, 11:35 AM
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Navy bought them last night so they are sold. Carbs still available. Did you ever Dyno your 540s? How much boost did they make on those big engines?
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