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Lift problems?!?

F

FlyBeech35

New User
I've been having lift problems, as in I get nothing out of it. Not weak just nothing. In the process I pulled the pump and all looks great except two parts I can't find. I need and 8N640B (or a C). I also need an 8N698F (of G). Anyone have any ideas?
 
(quoted from post at 12:28:22 10/19/14) I've been having lift problems, as in I get nothing out of it. Not weak just nothing. In the process I pulled the pump and all looks great except two parts I can't find. I need and 8N640B (or a C). I also need an 8N698F (or G). Anyone have any ideas?
Click to expand...
 
mvphoto12129.jpg
 
With the rust pitting you have on the valve spools it's likely the sleeves are pitted also. Since the spool and the sleeves are matched in size, you might find it easier to get a good matched pair of both the intake and exhaust valves. Then it won't matter which of the 5 or 6 sizes you get since you're replacing the matched pair. I don't think you can get them new, you'll have to locate some good used ones.
 
The sleeve is clean as can be which makes little
sense. I figured a matched set but I just can't
seem to find any. Any idea on where to start.
I've now scoured the internet and burned up the
phones with no luck. It's like they are made of
"un-attain-ium".
 
(quoted from post at 03:55:08 10/20/14) The sleeve is clean as can be which makes little
sense. I figured a matched set but I just can't
seem to find any. Any idea on where to start.
I've now scoured the internet and burned up the
phones with no luck. It's like they are made of
"un-attain-ium".
Click to expand...

I have some. Do a simple Google search for "Ford 8N640B" .
 
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