Why is my carb shooting flames?
These mainly occur through a process called back-firing, where the carburetor is feeding too lean or too rich an air-fuel mixture to the combustion cylinders or where the carburetor “timing is too advanced.” This is to say that where the carburetor timing is such that there isn’t enough time for complete combustion of …
Is quick fuel a good carb?
Each carburetor has something that will recommend it for use on a normal street car. We rated the Quick Fuel at the top for lean air-fuel, but if this carb were mated to an engine with a big single-plane intake and a large overlap camshaft, it might exhibit some part-throttle hesitation.
Which carb is better Holley or Edelbrock?
As I mentioned before, right out of the box an Edelbrock will be better. However, if you’re a DIY guy who likes modding things around – Holley will be your best pal. The tuning is more responsive and less touchy than not only Edelbrock, but most other manufacturer’s carbs.
Why does my truck keep backfiring?

Lean Air/Fuel Mixture Not only can a rich air/fuel ratio cause a backfire, a mixture that doesn’t have enough gasoline can cause a backfire, too. Such a mixture could be caused by low fuel pressure due to a failing fuel pump, a clogged fuel filter or clogged fuel injectors.
What makes an engine backfire through the carb?
Too much air and not enough fuel causes backfires to occur in the intake manifold. The exploding mixture then vents through the carburetor. Improper carburetor adjustments or vacuum leaks can cause this condition.

Is Holley and quick fuel the same?
Registered. Holley does not OWN Quickfuel. An investment group owns Quickfuel who also owns Holley and Barry Grant, 2 company’s who filed for Bankruptcy multiple times.
How much horsepower can a carburetor add?
Bigger carburetor alone will not give you any horsepower. But instead, if you also install bigger carburetor jets and a performance exhaust system, you could gain up to 15-20 horsepower. That’s a significant improvement for motorcycles.
Why is my engine backfiring through the carb?
We usually refer to an exhaust backfire as a “backfire”, and backfiring through the carb as “spitting” or “coughing”. “Backfiring” is usually caused by a spark plug “sparking” when it isn’t its turn and the exhaust valve is open. A sticky or burned exhaust valve can also cause some backfiring out the exhaust.