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  1. 03-09-2011, 05:24 PM #1
    87YJ's Avatar
    87YJ
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    Weber Carb Vacuum help

    I just got a 34 DGEC Weber carb yesterday for my 1987 4.2L I6. I have the carb installed but im confused where the vacuum lines go and which ones i need and dont need. anyone have any pictures on their Weber 34 DGEC carb setup?
    2004 WJ 4.0L I6
    1987 YJ 4.2 I6: 4 in RC, 33x12.5x15 KM2's, Soft 8's, 1 in BL,Steering Box Skid
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  2. 03-09-2011, 05:44 PM #2
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    orangecrush4u
    orangecrush4u is offline Lifetime Supporter


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    Does your truck have all the emissions stuff on it?
    72 Bronco sport, 35/12.5 15, 5.5 BCB lift... Nope it's not a Jeep...
    close ratio sterring sys, locked front 44/ chrome moly shafts, Rancho adjustables up front
    69 351w, Edelbrock intake & offroad carb, DUI, Alumin Rad, stock 3onthe tree, LUK clutch
    Mile marker sec 8 winch, 23 gallon gas tank, custom made rear bumper
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  3. 03-10-2011, 02:09 AM #3
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    87YJ
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    yea it does. i got most of that removed and plugged i just dont know what to do with the vacuum pump or something under the battery, i also dont know what to do with the heater controls on the firewall.
    2004 WJ 4.0L I6
    1987 YJ 4.2 I6: 4 in RC, 33x12.5x15 KM2's, Soft 8's, 1 in BL,Steering Box Skid
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  4. 03-10-2011, 02:29 PM #4
    orangecrush4u's Avatar
    orangecrush4u
    orangecrush4u is offline Lifetime Supporter


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    Run the vac controls for the heater off the intake and that should help you there. Try to look in a chiltons it should have the scematics for the vac system.
    72 Bronco sport, 35/12.5 15, 5.5 BCB lift... Nope it's not a Jeep...
    close ratio sterring sys, locked front 44/ chrome moly shafts, Rancho adjustables up front
    69 351w, Edelbrock intake & offroad carb, DUI, Alumin Rad, stock 3onthe tree, LUK clutch
    Mile marker sec 8 winch, 23 gallon gas tank, custom made rear bumper
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  5. 03-14-2011, 02:42 AM #5
    87YJ's Avatar
    87YJ
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    got the YJ running with the new carb. i think i need to still make a few mixture adjusments because when i accelerate fast or if it under a load it will hesitate but still drive pretty good.
    2004 WJ 4.0L I6
    1987 YJ 4.2 I6: 4 in RC, 33x12.5x15 KM2's, Soft 8's, 1 in BL,Steering Box Skid
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  6. 03-14-2011, 07:15 AM #6
    orangecrush4u's Avatar
    orangecrush4u
    orangecrush4u is offline Lifetime Supporter


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    Sounds like the accelerater pump might be bad, it is brand new?
    72 Bronco sport, 35/12.5 15, 5.5 BCB lift... Nope it's not a Jeep...
    close ratio sterring sys, locked front 44/ chrome moly shafts, Rancho adjustables up front
    69 351w, Edelbrock intake & offroad carb, DUI, Alumin Rad, stock 3onthe tree, LUK clutch
    Mile marker sec 8 winch, 23 gallon gas tank, custom made rear bumper
    Reply With Quote Reply With Quote
 

 
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