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  #1  
Old 02-06-2012, 11:49 AM
dkmcgowan dkmcgowan is offline
350 Buick
 
Join Date: Jan 09, 2012
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1989 Jeep Grand Wagoneer, 2150, no power valve?

I have a 1989 Grand Wagoneer, and I have been fixing all the connections and hoses under the hood, and the last step is I cannot find the power valve...

I know exactly where it should be, in between the 2 idle mixture screws, but where it should be is a flat plate, nothing is damaged, and it is the plate without the nipple on it...

I have read that the older 2100 model use to work the power valve internally with no external vacuum hookup, but from what I can tell the 1989 Grand Wagoner should have a newer 2150, and that should have a nipple on the power valve...

It seems to be running fine, just curious about this. Is it possible a 1989 would have a 2150, that had an internally working power valve with no need to hook it up to vacuum?

David
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  #2  
Old 02-06-2012, 12:45 PM
Blake Blake is offline
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Join Date: Dec 22, 2005
Location: longmont, colorado
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Yes, anyone could have swapped anything in.

Post a pic of the carb. There are lots of pics of a 2150 in my Goofy Build Thread, link in my signature.
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  #3  
Old 02-06-2012, 01:01 PM
dkmcgowan dkmcgowan is offline
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Join Date: Jan 09, 2012
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I will post up some pictures tonight... It looks just like yours exactly, except there is no nipple for the power valve... It's not capped or plugged, or broken, there is a stock OEM looking flat plate over it...

I passed emissions today, so that is good

David
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  #4  
Old 02-06-2012, 01:43 PM
Blake Blake is offline
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I don't think you would be able to pass emissions if the power valve wasn't functioning - it would be way to rich.

I have pics of failed emissions reports in my build thread when I ran it through emissions with the PV hose incorrectly connected. Makes a big difference.
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  #5  
Old 02-06-2012, 02:10 PM
dkmcgowan dkmcgowan is offline
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Join Date: Jan 09, 2012
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It also runs really well... I not only passed, but aced the test...

I think it's working, I really think this is a 2150 in an 89 wagoneer, with an internal power valve...

I am just looking to see if this was even possible in 1989

David
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  #6  
Old 02-06-2012, 02:10 PM
dkmcgowan dkmcgowan is offline
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when I say possible, I am curious if this is the carb that actually came on this vehicle in 1989...

pictures will come tonight...

david
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  #7  
Old 02-07-2012, 08:59 AM
dkmcgowan dkmcgowan is offline
350 Buick
 
Join Date: Jan 09, 2012
Posts: 825
Here are some pics, some are blurry, but I included anyway to help identify the carb. I didn't see any serial number on it. I also included a few close up shots o the power valve cover, so you can see there is no nipple.

It's running ok, I passed emissions, I am just curious if this is the original carb, and why it doesn't match the vacuum diagrams I have seen. I did a bunch of searching last night, and I did find a couple of people talking about there being "some" 2150 carbs being built with internal power valves, but not many. Maybe I just got one of those?

Other than the power valve, every single thing else matched perfect with my 89 vacuum diagram and is all hooked up properly...

David
Attached Images
File Type: jpg 2012-02-07_09-11-08_182.jpg (96.6 KB, 43 views)
File Type: jpg 2012-02-07_09-11-38_9.jpg (98.5 KB, 40 views)
File Type: jpg 2012-02-07_09-11-50_401.jpg (96.3 KB, 33 views)
File Type: jpg 2012-02-07_09-12-16_910.jpg (94.7 KB, 33 views)

Last edited by dkmcgowan : 02-07-2012 at 09:15 AM.
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  #8  
Old 02-07-2012, 09:09 AM
dkmcgowan dkmcgowan is offline
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more pics
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File Type: jpg 2012-02-07_09-12-37_88.jpg (95.8 KB, 19 views)
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  #9  
Old 02-07-2012, 09:14 AM
dkmcgowan dkmcgowan is offline
350 Buick
 
Join Date: Jan 09, 2012
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here are more pics, I could not attach anymore, so I linked to them...

http://dl.dropbox.com/u/61034888/201...-13-09_758.jpg

http://dl.dropbox.com/u/61034888/201...-13-20_744.jpg

http://dl.dropbox.com/u/61034888/201...-13-59_379.jpg

David
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  #10  
Old 02-07-2012, 10:01 AM
Blake Blake is offline
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Location: longmont, colorado
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I don't think I saw the altitude compensator in the rear of the carb.

I don't think it's a 2150.

I think it's a 2100.

Ristow would know.
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  #11  
Old 02-07-2012, 11:04 AM
dkmcgowan dkmcgowan is offline
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Join Date: Jan 09, 2012
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This is a better picture of the back of the carb

http://dl.dropbox.com/u/61034888/201...-13-47_993.jpg

I don't see the altitude compensator...


If this is a 2100, is there anyway that is what was stock on a 1989 grand wagoneer?

The PO didn't seem like someone who new enough to change out the carb...

David
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  #12  
Old 02-07-2012, 12:43 PM
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rreed rreed is offline
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Join Date: Aug 21, 2006
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Looks like an older 2100, nice and clean though. I'll dig through my box of 21xx carbs as soon as I can and help give a hint. I think 1-2 of mine have the low profile power valve cover though I'm not sure that means it just doesn't have one. I don't know when they went from internal vacuum source to external nipple on the power valve.
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