Small Block Top End Carb Install
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For Test 6 we installed a High Velocity Heads (HVH) 2-inch carb spacer and S&B 4x15-inch air filter. This combo netted our best power of the day at 523 hp at 6,200 rpm. The HVC carb spacer is a four-hole unit that transitions into one large opening before the air/fuel mixture enters the intake manifold. This improves velocity. View Related Article
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