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pop in the intake

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Old 04-15-2012, 08:08 PM
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Default pop in the intake

not always but some time when i leave a stop light my car will pop in the intake as i push on the gas, 402 with fast 102 intake, t/b,100maf 236-242 cam, when it happens i look quick at my air fuel ratio meter and i see 16.00. what is happening?
Old 04-23-2012, 06:40 PM
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car seems to run fine, if it was a carb engine i would say that the accelerator pump was not pumping enough fuel and going lean, is there an adjustment in the tune for this?
Old 04-23-2012, 06:55 PM
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Vacuum leak somewhere or the intake manifold gaskets are leaking.. My nova was doing this exact same thing when the intake gaskets were gone.




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