Question about 1984 Pontiac Parisienne

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How to tune up a carburator - 1984 Pontiac Parisienne

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The 2 air screws on front need to be adjusted with it running for best results but start at 1 and a half turns out on ea side then start the engine and turn the screws out till you hit maximum rpm and repeat on other side when the engin is at the max rpm there set, done while on idle .2 bbl / 4 bbl / ? they both will have a needle and seat to regulate the fuel coming in make sure there clean and functioning , make sure the float floats in gas and doesnt sink . make sure the main metering jets are operating and cleaned out good and not sticking either .some carbs have a paper filter in front you need a big wrench to undo ,change the filter or discard if theres a good 1 in the line already.

Posted on Nov 19, 2009

  • dwayne sagh
    dwayne sagh Nov 19, 2009

    check the base plate for excessive throttle shaft play to much then throw it away unless u know a good machinist to rebuild the base plate find a different base plate that is good . check the seal or replace on the shaft of the choke on the side of the carb .i could start scanning the rochester rebuild book and uploading pic's / do you have a library with chiltons manuals / they have tons of specs to go by.

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