i can "gorilla stomp" all my cars from idle with basically instant acceleration (& lots of tire smoke), there is no noticeable lag, hesitation, stumble or dying... mechanical holley double pumper with stock size acc pump on a mild built 455, using all 4's or just the primaries when i would disconnect the secondaries when i let friends drive it or to try & save gas.
same for cliff built Q-jets on a mild 400 or stroked 500+hp engine, or even a stock engine on home rebuilt qjets. maybe each engine can act different but i've never had any of those problems
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