Holley Pump Cam Chart

Holley Pump Cam Chart - Web i also run the pink cam on my 600 dp that has been substantially modified for better flow. Holley includes a graph in the catalog we’ve reproduced for this article that shows how each of the cams alter the lift curve. 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. You will also probably wind up playing with squirters if you are trying to fix a stumble. My combination and dyno sheet: Also in plumbing an fittings and hose. In the days of `57 ford 312’s and `60 dodge 383’s the purpose was for a summer and winter setting of the accelerator pump. Throttle position 41r643 yellow 41r336 brown 41r427 blue 41r466 orange 41r290 green 41r240 red 41r218 white 41r330 pink 41r234 black. The two positions recenter the cam, and as the chart shows, the effect varies with the cam profile. 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.

Web here is the chart i like to use and it has done the best for me. These cams offer options relative to the amount of pump lift per degree of throttle opening. Web accelerator pump shot relative to cam color from lightest to heaviest are as follows: If holes 2 or 3 are used, the motion is retarded (moved to the right on the graph by about 5 to 8 degrees). In addition to playing with the cam, you can also increase the pump shot from 35 to 50 ccs, but that shouldn't really be necessary. Web if your tuning a holley carb having the 50cc accelerator pump kit and a selection of accelerator pump cams, a set of jets, squirters,and power valves in your tool box and a decent vacuum gauge, to tune with is a big help at times White, blue, red, orange, black, green, pink & brown. The pink cam is the least aggressive cam in the pack. Web these two charts show the lift profile of the various holley fuel pump cams when located using hole 1. It delivers a full shot, quickly.

Holley accelerator pumps/cams Grumpys Performance Garage

Web below you will find a chart and graph that illustrate the lift of each colored accelerator pump cam at various degrees of throttle rotation. Everything is adjusted as it should be. The #1 & #2 refers to the holes in the throttle lever for the screw that attaches the cams, positions 1 and 2. Web white and pink cams.

Confusion in Tuning the Holley Accelerator Pump Cam CorvetteForum

Web accelerator pump cams on holley carbs can be swapped out to deliver advanced or delayed accelerator pump delivery depending on your engine's normal idle speed. My combination and dyno sheet: Categories / gauges and gauge accessories Also, if you order a pump cam kit, you will notice that the cams are double profiled. Web the brown is a 50cc.

Carb Science Series — Accelerator Pump Tuning for Holley Carburetors

Get a #31 discharge nozzle installed. Also in plumbing an fittings and hose. 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. Also, if you order a pump cam kit, you will notice that the cams.

Holley Pump Cams

In the days of `57 ford 312’s and `60 dodge 383’s the purpose was for a summer and winter setting of the accelerator pump. Web below is pic of holley pump cams, and how they deliver fuel based on throttle positions. Web when you look through holley literature and videos regarding tuning the accelerator (squirter) pump cam, most say to.

Holley accelerator pumps/cams Grumpys Performance Garage

The yellow and brown cams are for 50cc pumps. Web these two charts show the lift profile of the various holley fuel pump cams when located using hole 1. Web below is pic of holley pump cams, and how they deliver fuel based on throttle positions. The two positions recenter the cam, and as the chart shows, the effect varies.

Holley accelerator pumps/cams Grumpys Performance Garage

Web primary pump cam is pink with a number 23 nozzle. The pink cam is the least aggressive cam in the pack. Holley includes a graph in the catalog we’ve reproduced for this article that shows how each of the cams alter the lift curve. Web accelerator pump cams on holley carbs can be swapped out to deliver advanced or.

Holley 50cc Pump Cam Chart A Visual Reference of Charts Chart Master

Web pump cam lift vs. Web below you will find a chart and graph that illustrate the lift of each colored accelerator pump cam at various degrees of throttle rotation. The pink cam is the least aggressive cam in the pack. Secondary pump cam is brown with a number 31 nozzle. Web the accelerator pump system consists of three main.

Holley accelerator pumps/cams Grumpys Performance Garage

Web these two charts show the lift profile of the various holley fuel pump cams when located using hole 1. The yellow and brown cams are for 50cc pumps. You will also probably wind up playing with squirters if you are trying to fix a stumble. Everything is adjusted as it should be. Web when you look through holley literature.

Holley pump cam color ID info Vintage Mustang Forums

Secondary pump cam is brown with a number 31 nozzle. Also in plumbing an fittings and hose. You will also probably wind up playing with squirters if you are trying to fix a stumble. The yellow and brown cams are for 50cc pumps. Also, if you order a pump cam kit, you will notice that the cams are double profiled.

Holley vac. sec. question Team Camaro Tech

Throttle position 41r643 yellow 41r336 brown 41r427 blue 41r466 orange 41r290 green 41r240 red 41r218 white 41r330 pink 41r234 black. Hold the carb at wot and adjust the spring on the lever for 15 thou clearance between it and the pump arm. White, blue, red, orange, black, green, pink & brown. This will help you pick the next size up.

Get A #31 Discharge Nozzle Installed.

The blue cam is the most aggressive cam in the pack. Web if your tuning a holley carb having the 50cc accelerator pump kit and a selection of accelerator pump cams, a set of jets, squirters,and power valves in your tool box and a decent vacuum gauge, to tune with is a big help at times Web the accelerator pump system consists of three main components: The two positions recenter the cam, and as the chart shows, the effect varies with the cam profile.

You Will Also Probably Wind Up Playing With Squirters If You Are Trying To Fix A Stumble.

The #1 & #2 refers to the holes in the throttle lever for the screw that attaches the cams, positions 1 and 2. The yellow and brown cams are for 50cc pumps. The pump diaphragm, the pump cam and the pump nozzle. Hold the carb at wot and adjust the spring on the lever for 15 thou clearance between it and the pump arm.

This Will Help You Pick The Next Size Up Or Next Size Down When Changing Them Out.

These cams offer options relative to the amount of pump lift per degree of throttle opening. Web below is pic of holley pump cams, and how they deliver fuel based on throttle positions. Everything is adjusted as it should be. Web i also run the pink cam on my 600 dp that has been substantially modified for better flow.

The Chart Is For The 30Cc Pump Cams.

Web these two charts show the lift profile of the various holley fuel pump cams when located using hole 1. Web here is the chart i like to use and it has done the best for me. The most commonly used accelerator pump cam profile is the white version. If holes 2 or 3 are used, the motion is retarded (moved to the right on the graph by about 5 to 8 degrees).