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Unread 07-08-2012, 02:01 PM   #1
John Strenk
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2/3 carb better than none

Amazing untouched video showing engine operating with only 2/3 of the carb installed


No metering needles
No choke
No accelerator pump installed

Yet this amazing carburetor operates the engine even rervving it up to 2500 RPM.



Paranormal activity? Alien power source? Teenage mutant ninja squirrels?

Nope just plain old American engineering!

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Unread 07-08-2012, 02:05 PM   #2
John Strenk
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Ok, I was bored. To hot to work on jeep today. Didn't want to get my new bike shirt dirty.
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Unread 07-08-2012, 02:19 PM   #3
VACJ7
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OK, so most of us that have had a BBD could barely get it to run fully assembled. What gives John???
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Unread 07-08-2012, 02:27 PM   #4
John Strenk
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LOL
All I did was buy a $20.00 rebuild kit, some NAPA carb cleaner (1gallon dip can) and some wire.

This carb still has a worn throttle shaft hole. You can hear the whistle as I rotate the throttle.

That and running bare 3 times CCW around the jeep waving a D300 shifter and a necklace of empty Coor bottles around my neck during a full moon. Chanting " CJ, CJ, CJ, ..."
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Unread 07-08-2012, 08:02 PM   #5
86cj74.2L
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Is that the one your sending me? I'll try not to take the magic out of it if so......
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Unread 07-08-2012, 08:21 PM   #6
swatson454
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Quote:
Originally Posted by John Strenk View Post
That and running bare 3 times CCW around the jeep waving a D300 shifter and a necklace of empty Coor bottles around my neck during a full moon. Chanting " CJ, CJ, CJ, ..."
That must be where I screwed up on mine. I did the ol' reading entrails and rattling chicken bones routine and I came up short.

Now I can't stop picturing you in a loin cloth with a clinking Coors necklace. Oooga shaka, oooga shaka CJ CJ oooga shaka
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Unread 07-08-2012, 09:16 PM   #7
John Strenk
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Quote:
Originally Posted by 86cj74.2L
Is that the one your sending me? I'll try not to take the magic out of it if so......
Ye,the same one.
Just use gloves and you'll be OK
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Unread 07-08-2012, 09:19 PM   #8
John Strenk
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Quote:
Originally Posted by swatson454

That must be where I screwed up on mine. I did the ol' reading entrails and rattling chicken bones routine and I came up short.

Now I can't stop picturing you in a loin cloth with a clinking Coors necklace. Oooga shaka, oooga shaka CJ CJ oooga shaka
Oh, yeah. Those are just for fortune telling and we all know there is no fortune in Owning a CJ.

Chicken bones should of helped though. Did you CW or CCW?
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Unread 07-08-2012, 09:46 PM   #9
LumpyGrits
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Done that many a time with my BBD to set the float.
Just make sure you remove the coil spring from the plunger area.
LG
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Unread 07-09-2012, 03:30 AM   #10
John Strenk
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Originally Posted by LumpyGrits View Post
Done that many a time with my BBD to set the float.
Just make sure you remove the coil spring from the plunger area.
LG
Certainly would be a accurate way to set the floats.
A lot of trouble to go through though.

Why do you have to remove the spring though? there should be nothing but vacuum there but I guess a little backfire could send the spring to never never land.

Here's a question though, would the level be higher or lower with 10% ethanol in the fuel? I'm just wondering if the floats would float higher or lower in the liquid?
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Unread 07-09-2012, 04:20 AM   #11
86cj74.2L
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What's the specific gravity of ethanol? That may tell.
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Unread 07-09-2012, 07:53 AM   #12
jdboy
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I just wish my carburetor looked that good! Mine is a leaky ugly mess but consistently knocks down 19-20mpg. With all the horror stories around here about these carb's I'm afraid to take it apart to clean it and install new gaskets.
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Unread 07-09-2012, 08:20 AM   #13
John Strenk
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They are not that bad to rebuild.

Hardest for me was removing the old gasket material without scoring the aluminum.
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Unread 07-09-2012, 10:07 AM   #14
LumpyGrits
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Quote:
Originally Posted by John Strenk View Post
Certainly would be a accurate way to set the floats.
A lot of trouble to go through though.

Why do you have to remove the spring though? there should be nothing but vacuum there but I guess a little backfire could send the spring to never never land.

Here's a question though, would the level be higher or lower with 10% ethanol in the fuel? I'm just wondering if the floats would float higher or lower in the liquid?
John
No trouble at all, you have to take the "lid" off the carb. to set the float to begin with.
No real word diff. in level with "E" in it that I have seen.
The shak'n of the engine on start-up has thrown the spring out of the carb.
LG
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Unread 07-09-2012, 10:15 AM   #15
John Strenk
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Ahh, I warmed my engine up before I started it and started real smooth.
I'm use to setting my floats with the whole carb off the engine and inverting the carb to set the floats.

This would be easier though as long as you don't loose any of those Jesus clips.
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