650 Double pumper vs 750 vacuum secondary

Guest

Have a fairly stock 351C with Holley 650 Double pumper. Tuned it with a narrow band O2 sensor. Not on a dyno. Leaned the carb up a bit. My wife is very sensitive to fuel/exhaust smells. Would a 750 vacuum secondary be a little more friendly to her at idle and normal driving RPM's? I was hoping not to sacrifice too much performance. Thanks in advance.

10/21/108:57 AM

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