Get a #31 discharge nozzle installed. Web accelerator pump shot relative to cam color from lightest to heaviest are as follows: I’m thinking the nozzle should be around 27 on the front, unsure what it should be on the back. The pink cam is the least aggressive cam in the pack. Web the chart is right.
Also in plumbing an fittings and hose. Web the chart is right. The #1 & #2 refers to the holes in the throttle lever for the screw that attaches the cams, positions 1 and 2. Throttle position 41r643 yellow 41r336 brown 41r427 blue 41r466 orange 41r290 green 41r240 red 41r218 white 41r330 pink 41r234 black. You will also probably wind up playing with squirters if you are trying to fix a stumble.
Web the accelerator pump system consists of three main components: If holes 2 or 3 are used, the motion is retarded (moved to the right on the graph by about 5 to 8 degrees). Get a #31 discharge nozzle installed. Utilizing this chart will help you determine the correct accelerator pump cam for your specific application based on how aggressive the accelerator cam profile is. These cams offer options relative to the amount of pump lift per degree of throttle opening.
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They will not work with 30cc pumps. None of this information will mean diddly squat if your pump arm follower. Web use # 2 holes in the cam and carb positions for starting. Web pump cam lift vs. The most commonly used accelerator pump cam profile is the white version. It delivers a full shot, quickly. White, blue, red, orange, black, green, pink & brown. 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 accelerator pump shot relative to cam color from lightest to heaviest are as follows: Web primary pump cam is pink with a number 23 nozzle. The blue cam is the most aggressive cam in the pack. Also in plumbing an fittings and hose. Hold the carb at wot and adjust the spring on the lever for 15 thou clearance between it and the pump arm. Utilizing this chart will help you determine the correct accelerator pump cam for your specific application based on how aggressive the accelerator cam profile is. Web the accelerator pump system consists of three main components:
Secondary Pump Cam Is Brown With A Number 31 Nozzle.
Categories / gauges and gauge accessories The chart is for the 30cc pump cams. 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 Also, if you order a pump cam kit, you will notice that the cams are double profiled.
The Most Commonly Used Accelerator Pump Cam Profile Is The White Version.
Web the accelerator pump system consists of three main components: Get a #31 discharge nozzle installed. My combination and dyno sheet: 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 #1 & #2 Refers To The Holes In The Throttle Lever For The Screw That Attaches The Cams, Positions 1 And 2.
Also in plumbing an fittings and hose. Remember if you change you pump cam to readjust your accel pump linkage, you don't want to over extend it. The two positions recenter the cam, and as the chart shows, the effect varies with the cam profile. Web pump cam lift vs.
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.
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. 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. None of this information will mean diddly squat if your pump arm follower.