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emission problems???

Discussion in 'The Garage' started by chops76, Jan 30, 2006.

  1. chops76

    chops76 Registered Member

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    Location:
    south elgin, il
    gotta 1976 k5 with a 350 and a carter abf comp. carb. i am not sure on the size of the carb. but i leaned the sucker out as far as i could and the test results were hydrocarbons at 700 which i guess is at 3 times passing limit. engine has undergone tune up(plugs , wires, cap, rotor?.. any suggestions before suspension? thanks
     
  2. stkcode

    stkcode Registered Member

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    Location:
    Apple Valley, CA
    When you did your tune-up, did you also check your timing?
     
  3. thfonz98

    thfonz98 1/2 ton status

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    Location:
    Salinas, ca
    replacement of the cat. converter possibly.

    my former s10 blazer was at 1000+ then i did the full tune up thing and dropped to 700ish then the new cat dropped it to 8! Cat didnt seem plugged and didnt smell, it just didnt work
     

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