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AMC Eagle Den Forum

The Mighty 258 => Emissions/Vacuum Systems => Topic started by: luggage on March 18, 2011, 02:16:49 PM

Title: What does this thing on a MC2150 do and what should I hook it to?
Post by: luggage 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
Title: Re: What does this thing on a MC2150 do and what should I hook it to?
Post by: Jurjen 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.
Title: Re: What does this thing on a MC2150 do and what should I hook it to?
Post by: luggage on March 19, 2011, 10:41:20 AM
Simple enough.
Title: Re: What does this thing on a MC2150 do and what should I hook it to?
Post by: GRONK 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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