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Author Topic: What does this thing on a MC2150 do and what should I hook it to?  (Read 3445 times)

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Offline luggage

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What does this thing on a MC2150 do and what should I hook it to?
« on: March 18, 2011, 02:16:49 PM »
I'm putting a MC2150 on my eagle (from an 83 Mustang 3.8 ).

What is a Pump Relief Valve and what should I hook it to? It's item #51 on this diagram: http://www.carburetion.com/diags/2150diag.jpg
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Offline Jurjen

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Re: What does this thing on a MC2150 do and what should I hook it to?
« Reply #1 on: March 18, 2011, 03:16:45 PM »
Here is the answer:

http://www.jeeps-offroad.com/showthread.php?t=31892

Hooked up to manifold vacuum.
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Offline luggage

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Re: What does this thing on a MC2150 do and what should I hook it to?
« Reply #2 on: March 19, 2011, 10:41:20 AM »
Simple enough.
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Offline GRONK

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Re: What does this thing on a MC2150 do and what should I hook it to?
« Reply #3 on: July 08, 2011, 11:32:42 AM »
You actually don't need to hook it to anything.  You can simply leave it uncapped if you like or run it to manifold vacuum.  I recommend trying both and reply w/ the difference if anything is noable, but I have set up hundreds of 2150's w/ this valve and have never used it.
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