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will a untuned car stumble part throttle? help

Discussion in 'Turbo Tech Questions' started by platedturbonotch, Sep 15, 2005.

  1. platedturbonotch

    Joined:
    Mar 20, 2005
    going to have it tuned,but i'm not sure if the lowend stumble is from it not tuned its a 331 garret gt42 ati blowthru, 42lb inj,if the car is really off,will it cause a lowend stumble,will the tune fix it,or narrow it down,don't wanna take it there if it isn't that,it's kind of a sneeze,or a stumble,any info i may feel a little better thanks
     
    platedturbonotch, Sep 15, 2005
    #1

  2. dman

    Joined:
    Jan 31, 2003
    seems like a low end stumble is common with cars running 42# injectors without a "tune". A good chip burn should take care of that.

    I had a bad stumble in my car with 42#'ers and a 75mm Edelbrock/BBK throttlebody.... When i changed the TB back to a stocker 90% of the stumble went away. A chip could have easily fixed the rest.
     
    dman, Sep 16, 2005
    #2
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