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79chev559
 Post subject: Carb pops
PostPosted: Sun Apr 10, 2005 11:22 pm 
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Joined: Sat Jan 01, 2005 10:16 pm
Posts: 35
Hey guys and gals

I just replaced my head gasket put a rebuilt head on, started my truck and the carb pops all the time and jerks the truck when it happens its a 79 4 wheel drive with the hatichi carb not the weber, I checked all the vac lines and couldent find anything wrong there how ever I noticed when adjusting the nixture screw on the carb you can have it all the in and not change in the enginge and you can adjust it outward and not change, this is a reman carb , but I did not have this problem prior to doing the head gasket, any help would great on this thanks
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timmah531
 Post subject:
PostPosted: Mon Apr 11, 2005 2:08 pm 
maybe you have an air leak somewhere?
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Robertcda
 Post subject: carb
PostPosted: Mon Apr 11, 2005 2:12 pm 
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da LUV masta

Joined: Mon Aug 11, 2003 2:35 pm
Posts: 515
Location: NE Washington, USA
Whacha mean "pops?" Backfire up thru the carb throat? That's timing.
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timmah531
 Post subject:
PostPosted: Mon Apr 11, 2005 2:15 pm 
yea, but couldnt an air leak be the cause of the mixture screw not doing anything?
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TILTED
 Post subject:
PostPosted: Mon Apr 11, 2005 6:21 pm 
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Feel the Steel
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Joined: Sun May 12, 2002 11:57 am
Posts: 3902
Location: Y Omen
Sounds like timing to me too. 8)

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timmah531
 Post subject:
PostPosted: Mon Apr 11, 2005 9:13 pm 
sorry... lol.. im just going off of what happened to my dirtbike... apparently i am still a young grasshopper
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Robertcda
 Post subject: Pops
PostPosted: Mon Apr 11, 2005 9:30 pm 
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da LUV masta

Joined: Mon Aug 11, 2003 2:35 pm
Posts: 515
Location: NE Washington, USA
How sure are ya that ya got the timing chain on the cam and crank sprockets right?
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79chev559
 Post subject: timimg
PostPosted: Tue Apr 12, 2005 3:26 am 
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Posts: 35
II have the timimg snd dwell set and all of the marks are on, still not sure what the prob is going to check for vac leaks today
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