i was thinking about getting a 80457 from summit which is a holley based on the 4160.
as far as the throttle difference, i don't think there is much difference between how much throttle i give it, it stumbles for a second before catching up...almost like the transmission is shuttering is what it feels like. i will say that full throttle seems to catch up just slightly quicker.
what do you think that means?
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