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  1. GTX JOHN
    Post

    Later Thermoquad Carb On Earlier Intake Manifold; Help!

    The late Thermoquad will flow better than 178 with an adapter. Put .137 jets in secondary and a 750 Air Door opening.If you want to see a stock...
    Post by: GTX JOHN, Feb 7, 2022 in forum: Fuel and Air Systems
  2. GTX JOHN
    Post

    AVS carb questions

    If you look at the booster venturis you will see some tabs on some of the to correct Air Flow. I look for ones without those if I use aftermarket...
    Post by: GTX JOHN, Jan 22, 2022 in forum: Fuel and Air Systems
  3. GTX JOHN
    Post

    AVS carb questions

    383 1 9/16 Primary (625) 440 1 11/16 Primary (750) generally Dash Pot affects opening of secondaries as well.
    Post by: GTX JOHN, Jan 22, 2022 in forum: Fuel and Air Systems
  4. GTX JOHN
    Post

    Which BBodies Motors Were Factory Equipped with Four-Barrel Holley?

    First year with Thermoquad is 71 Last year with Thermoquad was 73.Again: I have raced these 340's continuously last 50 plus years since new...
    Post by: GTX JOHN, Nov 27, 2021 in forum: Fuel and Air Systems
  5. GTX JOHN
    Post

    Which BBodies Motors Were Factory Equipped with Four-Barrel Holley?

    I have never seen a 340 with a factory installed Holley.
    Post by: GTX JOHN, Nov 27, 2021 in forum: Fuel and Air Systems
  6. GTX JOHN
    Post

    Considering a Summit 750

    We tested the 750 Summit: Very stable O2s and as much HP as Edelbrock 800. or Holley HP 750. Really Great underrated carh and very trouble free!...
    Post by: GTX JOHN, Nov 25, 2021 in forum: Fuel and Air Systems
  7. GTX JOHN
    Post

    TQ Primary Throttle Shaft Bushings

    I always have a carb rebuilter do it.
    Post by: GTX JOHN, Nov 18, 2021 in forum: Fuel and Air Systems
  8. GTX JOHN
    Post

    Edelbrock issue or set up not right?

    Make sure return springs are strong enough. Make sure throttle Blades are not touching gasket or side of Throttle bores on Carb.
    Post by: GTX JOHN, Oct 2, 2021 in forum: Fuel and Air Systems
  9. GTX JOHN
    Post

    69 GTX OE carb

    I believe 4617
    Post by: GTX JOHN, Apr 11, 2021 in forum: Fuel and Air Systems
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