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Smog Help???

Discussion in 'The Garage' started by DSRTDOG, Nov 11, 2006.

  1. DSRTDOG

    DSRTDOG Registered Member

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    I have a 87 blazer that i finally got together 6" lift 35x12 BFGs 305,700r4 and np235. Went to DMV to register and i have to smog..... the 305 block is an older block but every thing else is the same.. i hope..lol.. i dont know exactly what emission system goes on for it to pass visual. looked on line but no diagrams, does any one have a diagram or lead me to where i can get help. thanks
     
  2. sandawgk5

    sandawgk5 3/4 ton status

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    Mine is a 350 but it has the tube from the exhaust to the intake to get warm air to the intake that is required. I also have an air pump with air injection to the exhaust manifolds as well as EGR. You will also need a CAT. Readymix has an 87 with 305 and his passed so maybe he will have more info. I do not have any diagrams.

    Ira
     
  3. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    Go to your closest smog station and have them look up in their book what is required for your rig then go home and install said items.

    Just as a reference, my 89 has EGR, PCV, TAC, Charcoal cannister, and CAT converter.
     
  4. sandawgk5

    sandawgk5 3/4 ton status

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    OOOPS I forgot about these. I have them also.

    Ira
     

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