Users' questions

Can I put a spread-bore carb on a square bore intake?

Can I put a spread-bore carb on a square bore intake?

You can use a square bore carb on an after market spread bore manifold with a shim adapter plate. The shim will reduce the chances of a vacuum leak around the secondaries.

What is better square bore or spread-bore?

A properly tuned spread-bore carb will have better low-end driveability with somewhat better fuel economy due to higher air velocity (better fuel atomization). It is certainly possible to get the driveability with the square-bore, but low RPM fuel economy will suffer.

Does Edelbrock make a spread-bore carb?

Edelbrock Performer Series Carbs For Q-Jet Applications. ALL NEW CARBURETORS – NOT REBUILT! These spread-bore carburetors are manufactured by Weber USA with all new components. Now the Edelbrock and Weber engineers have refined these classic carbs while retaining their original replacement status.

Does Quick fuel make a spread-bore carburetor?

“Innovators in fuel systems” is more than just a by-line. Since 1998, Quick Fuel Technology has grown exponentially culminating in the benchmark by which performance carburetors are measured….Carburetor Adapter (Spread Bore to Square Bore)

Brand Quick Fuel
Emission Code 5
Flange Style 4150/4160
Material Aluminum
Product Type Carburetor Adapter

Can a carburetor be square bore or spread bore?

A carburetor can be either Square-Bore or Spread Bore. An intake manifold can also be either Square-Bore or Spread Bore. All you have to do is match the carburetor flange to the manifold flange.

When do square bore spread adapters come out?

Usually ships within 1 to 2 months. . . Only 2 left in stock – order soon. . In stock on May 11, 2021. . Only 8 left in stock – order soon. . Only 4 left in stock – order soon. . Only 5 left in stock – order soon. . Only 11 left in stock – order soon. . Only 14 left in stock – order soon. . Only 3 left in stock – order soon. .

What are carburetor adapters for a square bore manifold?

Carburetor Adapter, Open Center, Dominator Carburetor, Square Bore Manifold, 2.00 in. Thick, Each Carburetor Adapter, Open Center, Square Bore Carburetor, 1.00 in. Thick, Kit Carburetor Adapter, Aluminum, Natural, Dominator Carburetor to Square Bore 4-Barrel Manifold, 2 in. Thick, Kit

What kind of flange do I need for a square bore carburetor?

Square Bore Carburetors have a larger bolt pattern. Most aftermarket carbs use a square bore flange. Dominator Carbs have the largest bolt pattern. Dominator Carburetors are only used on high performance engines. Many aftermarket intake manifolds have a dual pattern flange. That means it will mount either a spread bore or square bore carb.