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Guest Message by DevFuse

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87 dodge d50 (mitsubishie 2.6l) weber carb issue

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3 replies to this topic

#1 mikaleda


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  • priest lake, Idaho

Posted 30 August 2013 - 09:31 PM

i just bought this truck (third blue car ive bought in a row) and it has a weber carb on it with a redline adapter, it looks alot like the webers for our subarus, but i dont know carbs to well and am fighting a couple issues with it.

firstly it had a lot of vaccume leaks when the P.O. got it and they fixed them, but didn't readjust afterwards. so i fixed a couple more vaccum leaks and re adjusted the screw on the front of the carb (im unsure weather that is for the idle air or the fuel mixture) and since i couldn't find any sighns of a fuel air mixture (if that screw is the idle air like i thought) so thats all i did (by adjusting i mean i turned it down untill it stalled then backed it out a 1/4 turn)


secondly when i got it the air filter was very dirty and it was deisling on me (i readjusted the screw in the front with a clean filter). i found that the bowl seemed to be overflowing into the intake and making it deisle on me, so i got some carb cleaner and cleaned it out. cleaning it out worked for a while, but it came back with a vengence (this time it dang near blew my muffler out from the backfire) so i put a can of berrymans b12 chem tool (carb cleaner, almost identical to seafoam) in the tank with 5 gallons of gas and ran it through. the problem stilll persisted so i bought a K&N cleaning kit and cleaned the filter, filled it with regular w/berrymans again and got some berrymans spray carb cleaner and cleaned it out yet again and it smoothed out quite a bit.

thats everything i've done so far, but it still seems to be acting up, occasionaly it will stall when i let the clutch out (its only done this twice and just recently) mainlly its been deisling occasionally and if i turn it off for a few minuets and try to restart it acts like its flooded and i have to hold my foot to the floor as im cranking (clear flood prcedure) to get it to start.


i know there a few people on here that know webers well and this site seems to get quite a bit more traffic than the mitsubushi or dodge d50 sites get and i would appreciate any help on this.

#2 ferox


    King of the Echo People

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  • Portland, Oregon

Posted 30 August 2013 - 09:51 PM

Have you checked the timing?  If you post some pics we might be able to determine what kind of Weber you have if it isn't a standard DGV.  You might need to order an anti-dieseling solenoid.  They are optional on Webers for the most part, to my knowledge.

#3 Mykeys Toy

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  • South Prairie, Wa

Posted 31 August 2013 - 12:18 AM

I would say get a definative on the carb then look into a rebuild  (or at least taken down and cleaned out well) You might also find a board member do it.. There are a few.  If it is still dieseling then the solenoid would be my next move but I think most if not all your problems may be in the carb itself.  



#4 mikaleda


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  • priest lake, Idaho

Posted 31 August 2013 - 09:25 AM

i was thinking about timing as well, but i cant get it idling smooth enough to get a light on it to set it. ill try and get some pics up of the carb, but i broke my only camera so it might take a little while to get it up. ill keep updates posted

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