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4150 Double Pumper Carburetor, Q-Series Drag Race Annular Booster Carburetor With Manual Choke Replacement For Holley 4150 Models carburetor (850CFM)

KWD 91
Brand
DOOLLENCE
Model850CFM
– 1 +

Special Features

  • HIGH PERFORMANCE FUELING: This 4BBL 4150 4BBL Double Pumper HP 650CFM Proform Race Series Carburetors delivers precise fuel metering and distribution for maximum power and torque from your engine.
  • DUAL FEED TECHNOLOGY: Dual fuel inlet system allows for two independent fuel sources to be used simultaneously or separately for increased tuning flexibility and fuel efficiency.
  • ANNULAR BOOSTER DESIGN: Annular booster design incorporates a full-circle venturi to maximize air velocity through the carburetor for excellent atomization of fuel and quicker throttle response.
  • SSR-SERIES: SSR-Series is engineered for high performance drag racing applications and is compatible with popular small and big block engines, Perfect compatible with Holley 4150 models Double Pumper 650cfm carburetor Replacement For Holley Proform Race Series 67199 Carburetors

Description

Questions.
Q1.There are grease stains when you open the package, has it been used?

A:Every carburettor is tested for fuel tightness, passage and pressure before it leaves the factory, so there will be some traces of fuel residue. All products are brand new and have not been used.

Q2. I have a leak problem after the first installation, how can I fix it?
A:The filler valve is sticking from residual fuel drying out, so you can tap the filler port with a small hammer to loosen the valve a bit before you install it.
If you install it and find fuel leaking, just remove the carburettor and dump the fuel inside and install it again.

Q3. The carburettor was installed and could not be filled with fuel.
A.Same problem as Q2. Tap the fuel inlet with a small hammer to loosen the fuel valve enough.
Also check the fuel input pressure to make sure it is between 4.5 and 8 PSI.

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