need a few more parts

Discussion in 'High Performance Modifications' started by Mwilson, Oct 4, 2017.

  1. mrdragster1970

    mrdragster1970 Veteran Member Lifetime Gold Member

  2. Mwilson

    Mwilson Veteran Member

    just test drove my AFR went from 12.8 with low fuel pressure to 12.0 with 6.5 psi I had jetted the carbs up 8 sizes out back think I'll go back down 4 sizes
     
    muscl car likes this.
  3. mrdragster1970

    mrdragster1970 Veteran Member Lifetime Gold Member

    .


    Do you crank up the pressure a little if you plan on beating her to death???
    Especially if you go racing??


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  4. Mwilson

    Mwilson Veteran Member

    higher than 6.5?
     
  5. mrdragster1970

    mrdragster1970 Veteran Member Lifetime Gold Member

    .


    I always run 7.5-8.0 at the track. It's been a long time, but I don't think any of my cars ever liked 6.5.

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  6. muscl car

    muscl car Veteran Member Lifetime Gold Member

    I'm running 7.5psi and no issues !!
     
  7. Mwilson

    Mwilson Veteran Member

    I just bumped mine up to 8 and seems fine? Also jetted the rear down from 80 to 76 and gave it 2 more degrees of timing for 38 total
     

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