highest hp #s for stock 5.3 short block and heads
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I'm sure higher numbers are obtainable, but the result would be reduced low-end power, more so than what the "normal" cam for a 5.3 would.
with the majority of 5.3 vehicles weighing in at, or around 5000+lbs. sacrificing mid-range power for a slightly higher "peak" would probably run even worse.
with the majority of 5.3 vehicles weighing in at, or around 5000+lbs. sacrificing mid-range power for a slightly higher "peak" would probably run even worse.