Small primaries and large primaries

Discussion in 'Troubleshooting & Diagnosis' started by JD Z, Oct 29, 2017.

  1. Zspoiler

    Zspoiler Veteran Member

    2,317
    122
    May 6, 2012
    Federal Way, Washington
    What is that so called "mechanic" talking about.I have run 3310 750 CFM Holleys for years. It all depends on your tune on the carb. And how you drive. A Q-jet is around 750-800 CFM. It sounds like he is trying to sell you a carb.
     
  2. JD Z

    JD Z Veteran Member

    Zspoiler, thanks for the post. They might be selling me 2hrs labor. I ordered the carb so they make nothing there. This is a 40 year old shop, well respected in the area. 1960-1980 cars in there all the time when I drive by. I don’t suspect they are selling.

    The biggest challenge is the no choke. And, I want 0-40 snap as much as 0-70. RPMs I don’t see going over 6k. Research supports 750 is too large for me.
     
    Last edited: Nov 4, 2017
  3. Rdobbs1977

    Rdobbs1977 Huge Guns N Roses Fan

    283
    10
    Dec 1, 2014
    Nashville
    when you say you want a 0-40 snap and 0-70, are you talking mph?
     

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