yes, what they said - at 55 with a 4:57 rear you will be "close to top end", which would be around 3000 rpm - are you sure you have the tach hooked up correctly? and it's not an 8 cyl tach?
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
