Holley Jet Size Chart

Holley Jet Size Chart - The video explains the various jet sizes, and how they affect engine performance. Jump two sizes when changing the carburetor jetting. The jets are accessed by removing the fuel bowls on each end of the carburetor. They also give instructions on changing the jets for increased performance. When you buy a used carburetor always check the jetting. All pick up in store ship to home. Web the jet size in a holley 4160 carburetor can vary depending on the specific model and application.

This engine would, therefore, require a 600 c.f.m. Web lengthy video on tuning the jets on your holley carb. The jets are accessed by removing the fuel bowls on each end of the carburetor. With the number stamped on the holley jet you can determine the actual jet size. (0) 90 day limited warranty. Web the chart below can be used as a guide when correlating main metering jet part numbers to secondary metering plates.

However, as a general guideline, the stock jet sizes commonly found in a holley 4160 carburetor are typically in the range of #64 for the primary jets and #67 for the secondary jets. This info can translate to any holley 4150 and 4160 style carbs. Holley manufactures each carburetor with a set of jets that will allow the carburetor to perform well at. All pick up in store ship to home.

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Web drill sizes and how they relate to inches and millimeter measurements. Web holley standard main jet conversion. These are turns open from a fully closed position. Jump two sizes when changing the carburetor jetting. But there is an important exception: At 85%, however, the c.f.m.

Web holley jets | o'reilly auto parts. The video explains the various jet sizes, and how they affect engine performance. Web lengthy video on tuning the jets on your holley carb.

Web Jet # Actual Size Jet # Actual Size 80 0.090 96 0.119 81 0.092 97 0.121 82 0.093 98 0.122 83 0.096 99 0.125 84 0.097 100 0.127 85 0.098 101 0.129 86 0.099 102 0.133

Web we can use this to look up information like jetting, proper rebuild kit, available replacement parts and more. However, as a general guideline, the stock jet sizes commonly found in a holley 4160 carburetor are typically in the range of #64 for the primary jets and #67 for the secondary jets. Unfortunately, we have to use an average vacuum at the venturi to develop this chart. When you buy a used carburetor always check the jetting.

At 85%, However, The C.f.m.

The jets are accessed by removing the fuel bowls on each end of the carburetor. Web the jet size in a holley 4160 carburetor can vary depending on the specific model and application. Web holley jets | o'reilly auto parts. Web drill sizes and how they relate to inches and millimeter measurements.

Too Many People Have No Idea How Jetting Even Works So This Video Is.

When in doubt, jet larger to start. This engine would, therefore, require a 600 c.f.m. It is cheaper to foul a set of spark plugs than to burn a piston. All pick up in store ship to home.

Web Such A List Would Be Too Big On Our Website, So We Are Going To List The Most Popular Holley Four Barrel Carb List #'S And Their Cfm Size And Stock Jetting Specifications.

Web 4150 hp and 4500 dominator hp. Web holley standard main jet conversion. Web the chart below can be used as a guide when correlating main metering jet part numbers to secondary metering plates. Changing to a larger or smaller jet will either richen or make leaner the carburetor’s fuel curve from part throttle to full throttle, respectively.

James Taylor

Author at Chart Inspiration 2025 – Creative Templates & Free Resources. Loves writing about holley jet size chart.

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