CJ7 Carter BBD Vacuum Line Help - Page 10 - JeepForum.com

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post #136 of 201 Old 07-05-2013, 04:49 PM Thread Starter
KnoxButler
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Will do, LG why is it that the book and the rebuild kit settings are wrong?

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post #137 of 201 Old 07-05-2013, 05:08 PM
86cj74.2L
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I adjust the idle to see 13v on the battery with a warming up engine (so manifold heater is on) and headlights on and fan in high

It ends up being around 800-850.
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post #138 of 201 Old 07-05-2013, 05:08 PM
LumpyGrits
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Originally Posted by fourbtgait View Post
Thanks, mine was at 650, didn't like how it sounded, bumped it up today to 750.

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It will idle lower in hot dry air than in cold wet.
Don't trust the OEM tach either.......
LG
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post #139 of 201 Old 07-05-2013, 05:13 PM
LumpyGrits
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The volts shown depends on the condition of the alt/battery and temp.
BTW: You want at least 13.5-14vdc for a good 'rebuild' charge after start up.
I have more faith in my amp gauge than the volt gauge(I have both).
LG
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post #140 of 201 Old 07-05-2013, 05:33 PM
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Quote:
Originally Posted by LumpyGrits
The volts shown depends on the condition of the alt/battery and temp.
BTW: You want at least 13.5-14vdc for a good 'rebuild' charge after start up.
I have more faith in my amp gauge than the volt gauge(I have both).
LG
I use my fluke DVM on the battery posts and I have 14.5 driving down the road. I also have the cigarette lighter wired directly to the battery so I also use the below volt meter too. Its as accurate as my DVM to two decimal places.
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post #141 of 201 Old 07-05-2013, 06:10 PM
fourbtgait
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I was using shop tach, so it's fairly accurate.
I never gave thought to the voltage draw or such, so I should look at that, check it now out of curiosity.
At 650 it had a slight misfire or stumble, though never stopped. The emulsion tubes don't leak.

Wonder how the OP is doing?

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post #142 of 201 Old 07-05-2013, 07:56 PM Thread Starter
KnoxButler
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UPDATE: so i messed around with the float for a few hours adjusted it down and even up, no change. I even went and got gas thinking it might be running out, no change. Finally I went and disconnected the EGR... Guess what problem almost completely went away. Now I need to pass emissions so I dont want the EGR out of the loop if its going to be doing me some good, but I cant have it running the way it was.

Im getting about 10 in HG at the EGR with the engine at high rpms, maybe this is to much and I need to limit it down somehow?

-Knox
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post #143 of 201 Old 07-05-2013, 08:51 PM
John Strenk
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Originally Posted by LumpyGrits View Post
You can leave the carb on the eng to do this step.
Remove the top section of the carb. that is held on buy the 6 screws.
BE CAREFUL! Don't lose the acc. pump spring, or the 2 'e' clips.
Now you can start the engine and see where the float level is.
See the two cut-outs at the top of the acc. pump shaft? You want the fuel level to the middle or just a bit more on those cut-outs.
You will need to plug the vac. line to have your eng run 'rite'.
Did you ever order the FSM that you REALLY need to have?
LG

https://www.youtube.com/watch?v=MmCF9Pop_wc

I love doing that....


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post #144 of 201 Old 07-05-2013, 08:55 PM
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Quote:
Originally Posted by KnoxButler View Post
UPDATE: so i messed around with the float for a few hours adjusted it down and even up, no change. I even went and got gas thinking it might be running out, no change. Finally I went and disconnected the EGR... Guess what problem almost completely went away. Now I need to pass emissions so I dont want the EGR out of the loop if its going to be doing me some good, but I cant have it running the way it was.

Im getting about 10 in HG at the EGR with the engine at high rpms, maybe this is to much and I need to limit it down somehow?

-Knox

THe actual metering of the EGR is done with holes sizes. Maybe you need one with smaller hole size.

someone just posted a list of EGR valve part numbers and hole size...



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post #145 of 201 Old 07-05-2013, 08:58 PM Thread Starter
KnoxButler
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Ok awesome ill do some searching for that post!

-Knox
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post #146 of 201 Old 07-05-2013, 09:01 PM
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Take it apart and clean it.
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post #147 of 201 Old 07-05-2013, 09:09 PM Thread Starter
KnoxButler
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Does it just unscrew?
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post #148 of 201 Old 07-05-2013, 09:15 PM Thread Starter
KnoxButler
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John Can you define hole?
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post #149 of 201 Old 07-05-2013, 09:28 PM
LumpyGrits
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EGR is held on w/2 bolts.
Say'n this with ALMOST a straight face...When you pull-it-out You will then see the hole
OK-no more Whisky tonight.........maybe..........
John, your lucky you didn't lose the spring
LG
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post #150 of 201 Old 07-05-2013, 09:57 PM Thread Starter
KnoxButler
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Found said hole, how do get/make a smaller one?
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carter carb , cj7 , egr , emissions , vacuum

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