3.08 gear in a Firebird/TA with a 27 inch tire gets light in the front at 5500. And it’s a little over 140.
“'Cause if I had a set of wings, man I know she could fly“
Run it too long and a 400 Pontiac won’t have enough oil drain back from the top end. The crank main bearings get starved. Don’t ask how I know. Found out there is a way to fix that problem though.