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Unread 08-10-2011, 10:47 PM   #1
jessebauldree
Registered User
1984 CJ7 
 
Join Date: Aug 2011
Location: prineville, oregon
Posts: 21
vacum lock 360 cj7

hi my name is jesse and i just joind the forum.i hope some one might beable to help me with my cj vapor locking on hot days.i have tried alot to fix the prob.i have a 360 in it with dual exhaust. i put a dual electric fan in,i have droped the tank all looked good, i put a 1"spacer under the carb,put as heat sheild around the fuel pump and filter,and put thermo tec heat insulating around fuel line. im lost on what could be making it vapor lock. hope some one has some suggestions

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Unread 08-10-2011, 10:48 PM   #2
benullman
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1981 CJ7 
 
Join Date: May 2010
Location: mechanicsville, VA
Posts: 2,138
take the gas cap off
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[QUOTE=Gregg79CJ7304;11634021]Great minds think alike, but so do serial killers......Thanks.[/QUOTE]
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Unread 08-10-2011, 10:59 PM   #3
jessebauldree
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1984 CJ7 
 
Join Date: Aug 2011
Location: prineville, oregon
Posts: 21
i tried this also
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Unread 08-11-2011, 06:53 AM   #4
cj5752
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1975 CJ5 
 
Join Date: Sep 2008
Location: Arkansas
Posts: 220
How can you tell it's a vapor lock problem? I chased a vapor lock for over a year that turned out to be a coil.
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Unread 08-11-2011, 11:57 AM   #5
jessebauldree
Registered User
1984 CJ7 
 
Join Date: Aug 2011
Location: prineville, oregon
Posts: 21
when it did it one time i took the fuel line off the electric fuel pump and no fuel was pumping and the clear fuel filter didfnt have any fuel in it.Im going to take the hood off today and drive it and see if that helps. i hope it is just getting to hot under the hood. if any one knows any thing thaty could help let me know i dont think it woulg be something besids a vapor lock but at this point im willing to try anything to fix it
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Unread 09-19-2011, 08:31 AM   #6
cj5752
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1975 CJ5 
 
Join Date: Sep 2008
Location: Arkansas
Posts: 220
How did you get fuel pumping again. I have seen a lot of trouble with electric fuel pumps. What is wrong with the mechanical pump?
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