Separate names with a comma.
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...
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...
383 1 9/16 Primary (625)
440 1 11/16 Primary (750) generally
Dash Pot affects opening of secondaries as well.
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
I have never seen a 340 with a factory installed Holley.
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
I always have a carb rebuilter do it.
Make sure return springs are strong enough. Make sure throttle Blades are not
touching gasket or side of Throttle bores on Carb.
I believe 4617