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Unread 09-09-2013, 04:24 PM   #1
CrankyD
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1983 CJ7 
 
Join Date: Apr 2010
Location: Raleigh NC
Posts: 570
Another MC2100 vacuum question! Yay!

Folks, Help me make sure I understand everything right as I re-route my Vacuum lines for the millionth time. The jeep has been running well enough for the last two years and I've tried a few combinations that work and some that don't. I am going back to this diagram (which is where I started) to see if it runs any better.

My main complaints are it seems like it is running rich by the smell but lean by the heat it builds. I think my prob may be EGR related. I would like to use the EGR system. The plugs look good. I have a 258, Nutter, Team Rush, and MC2100.

The main differences from the diagram and my setup are that I have no bowl vent port (Just An open vent hole on top) and I want to run power brakes. If I cap the canister at the bowl vent port and "T" the power brakes off at the EGR brass fitting I should be good right?

mc2100.jpg

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Unread 09-09-2013, 05:14 PM   #2
Matt1981CJ7
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1981 CJ7 
 
Join Date: May 2011
Location: Elbert, CO
Posts: 10,982
No, do not T the brake booster into the EGR. The EGR is designed to run on ported vacuum, the brake booster needs manifold vacuum.

There should be a manifold vac nipple near the EGR. It's labeled "M" in the diagram below.

Hope this helps,

Matt
vacuumlayout2.jpg

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