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Holley Pump Cam Chart

Holley Pump Cam Chart - By bill jones » wed apr 23, 2008 4:09 am. Web the accelerator pump system consists of three main components: Holley accelerator pump cams will allow you to tailor accelerator pump performance to your engine's actual requirements. Color coding makes it easy to identify specific cam applications when installed; 721k views 15 years ago. Web here is the chart i like to use and it has done the best for me. If holes 2 or 3 are used, the motion is retarded (moved to the right on the graph by about 5 to 8 degrees). The longer the graph the longer the shot duration per pump shot and the shorter the graph the shorter the shot but is a quicker and bigger but less duration of throttle opening. The pump diaphragm, the pump cam and the pump nozzle. Web there are a few cam graphs out there that will help with your cam choice.

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The Longer The Graph The Longer The Shot Duration Per Pump Shot And The Shorter The Graph The Shorter The Shot But Is A Quicker And Bigger But Less Duration Of Throttle Opening.

Cam lift directly affects the accelerator pump stroke, and, therefore, pump capacity. Web holley accelerator pump cams. If holes 2 or 3 are used, the motion is retarded (moved to the right on the graph by about 5 to 8 degrees). Web learn the truth about holley pump cams from the official holley document.

See The Graphs Of Pump Cams For 30Cc And 50Cc Pumps And Compare Them With Old Myths And Lore.

Its purpose is to inject a certain amount of fuel down the throttle bores when the throttle is opened. If you do you could send the needle valve into the stratosphere or worse, into the carb and then into a. By bill jones » wed apr 23, 2008 4:09 am. If you change the squirter, do not touch the throttle with squirter removed.

Then They Show A Bunch Of Pump Cams With Two And Even Three Holes For The Pink Cam.

Holley accelerator pump cams will allow you to tailor accelerator pump performance to your engine's actual requirements. Web straight from holley: The pump diaphragm, the pump cam and the pump nozzle. Web pump arm adjustment and clearance should be checked and verified each and every time the pump cam and/or pump cam position is changed.

Contains 8 Cams And 2 Screws

Web there are a few cam graphs out there that will help with your cam choice. Kit includes a helpful tuning chart to assist you in selecting the appropriate accelerator pump cam; Web here is the chart i like to use and it has done the best for me. Web when you look through holley literature and videos regarding tuning the accelerator (squirter) pump cam, most say to use position 1 (smaller squirt later) for heavy cars and position 2 (bigger squirt earlier) for a light car.

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