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engine chocks - help please

Discussion in 'The Garage' started by aknight_sa, May 31, 2006.

  1. aknight_sa

    aknight_sa 1/2 ton status

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    hi guys,

    i have just changed both the torque converter (had problems with it) and the carb as the one i had was really old and in a bad condition..

    the engine i have is a big block 454, the carb i installed is like the one i remvoed a roachster q-jet carb (i know its a cheap one)..

    i dont have a probelm now while the car is idle or running as it goes really smooth... but i wanted to give it a throttle to see its power now.. and when i did then the engine choked and was like it was about to go off... then when i parked the truck and pressed the gas for a few times black smock appeared from the exsuhst....

    is this normal when a carb is changed?? or is there a problem??

    thanks
     
    Last edited: May 31, 2006
  2. aknight_sa

    aknight_sa 1/2 ton status

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    engine stalls

    any replies guys??

    i think the problem happens when its transfering gears while i give the engine a full throtle..
     
  3. broncoman6524

    broncoman6524 1/2 ton status

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    when i first start my motor, if its not warmed up it chokes... the black smoke could mean that your running rich.
     
  4. aknight_sa

    aknight_sa 1/2 ton status

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    what about when i gave it the gas on the street.. it just stalled when it was reaching around 60-80 km/h
     
  5. Emmettology 101

    Emmettology 101 3/4 ton status

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    Did you set-up the carb or just bolt it on and go? Adjusting the air screws and when the secondaries open makes a big difference in performance!
     
  6. vortec

    vortec 1/2 ton status

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    i'm no carb expert, but it sounds like you're running really rich and pretty much flooding it when you put the foot into it. i'd say grab an air/fuel ratio gauge. i have one on one of my trucks. nice little item to have. and it nothing else, it looks pretty cool.
     
  7. aknight_sa

    aknight_sa 1/2 ton status

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    i had a mechanic install it for me.. he says that he did adjust it.. but it seems that he didnt do a good job at it.. today i took a ride in it... and i noticed that the problem happens when i have the AC on... also, when the transmission goes into 3rd gear it becomes weak so i have to give it more gas!

    also, the engine went off on me twice while slowing down at a traffic light, and it hardly went back on.. plus tons of black smoke was comming out..
     
  8. aknight_sa

    aknight_sa 1/2 ton status

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    can you please guide me or tell me where to find an explanation on the net on how to to adjust the carb... i am still new to this stuff and i dont know what all of those hoses go and dont even know where the adjustment screws are...

    please be patient with me... i do want to do this stuff myself..

    thanks
     

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