Is the Holley Performance Double Pumper carburetor refurbished?

Is the Holley Performance Double Pumper carburetor refurbished?

This is an official Holley Performance Factory Refurbished Carburetor. Factory Refurbished carbs are NOT old worn-out carbs that have been rebuilt. They are carbs that were returned under warranty. When these carbs are returned, we check them out and most of the time there is nothing wrong with them.

Can a 600cfm be used on an OE carb?

Factory Refurbished carbs may have scratches, blemishes, and other visual flaws from previous installation. This carb is universal and will work on any engine that has a square bore intake manifold and can use 600CFM but it is not a direct replacement for any OE carb Factory Refurbished Carburetors have limited availability.

How to cure carburetor stumble-blogs-holley.com?

Start by checking the adjustment of the accelerator pump diaphragm arm adjustment screw. Use a 0.015 feeler gauge to make sure the adjustment is correct. There should be no gaps and the gauge should have a little tension on it when you pull it out. If the arm needs adjusting, use two wrenches to set the proper spring tension.

What kind of CARB do I need for a 400 hp engine?

Here is what they learned. Edelbrock air gap dual plane intake. A better than average 400 HP street performance engine. The test was four Holley XP series carbs, 650, 750, 850 and 950 CFM. Now this series of dyno pulls was on the Westech Performance dyno.

What kind of carburetor does Holley Performance use?

The original race ready carb that started it all! Street and race 2 Barrel carbs with Holley Model 2300 bolt pattern! Carburetor and Manifold Combo comes with gaskets, bolts, and air cleaner for a complete installation! Factory Refurbished carbs have undergone a thorough inspection. We are making them directly available to the public.

Factory Refurbished carbs may have scratches, blemishes, and other visual flaws from previous installation. This carb is universal and will work on any engine that has a square bore intake manifold and can use 600CFM but it is not a direct replacement for any OE carb Factory Refurbished Carburetors have limited availability.

Here is what they learned. Edelbrock air gap dual plane intake. A better than average 400 HP street performance engine. The test was four Holley XP series carbs, 650, 750, 850 and 950 CFM. Now this series of dyno pulls was on the Westech Performance dyno.

What kind of carburetor do I need for a 500 CFM engine?

Even with about a 10% cushion, a 500 CFM carburetor will handle this engine great. If you try this formula yourself, be honest with how much rpm the engine will see. You’d be better off with a carb smaller than needed rather than something oversized that can lead to poor drivability and performance.