Quick question. After 35 years and another engine rebuild, I finally added a tach and engine gauge cluster to my '73 Runabout.
I find that I've been shifting at about 3,000-ish RPM in normal driving, see 3,500 at 70MPH and don't take it past 4,000 at any time.
Not looking to wring the last horsepower out of it.
Does 4,000 sound like a conservative redline for Ladybug? Could I go to 4,500 for a few seconds, and not regularly, if I'm really looking for everything it's got? Feels like the power band must begin to flatten out north of 4,000, but not really sure.
Thing is, it sounds really good through about 3,500, and so I just want to stay in it a little longer.
If I remember correctly, the redline when new was quoted as 5,800. So maybe 4,500 isn't unreasonable?