Thread: Accelerator pump tuning
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Old 11-03-2009, 11:51 AM
jhv48 jhv48 is offline
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Cobra Make, Engine: SPF 2932 with 438 Lykins Motorsports engine. Previous owner of FFR 5452.
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Mine eliminated the stumble by opening up the idle screws another 1/8 to 1/4 turn AFTER achieving peak vacuum. Just try it and see what happens. You probably have an off idle lean condition and this is one way to eliminate it.

Start with the simple stuff first!
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