Originally Posted by A39Coronet
Doug what RPM do you shift at/cross the stripe?

I'd imagine you'll be well into 8.90s come fall weather so it's just a matter of time.

Usually try 6900-7000. The shift light was acting up so there were some over or under. At 149 right about 7300. It's got a 7400 chip. and didn't sound like it tagged it.
Doug

Last edited by dvw; 05/17/22 01:17 PM.