Quote:
Originally posted by 89 Cobra LX
6500 RPMs on the factory tach is more like 5500 RPMs. When I dyno'd my car the factory tach was almost a full 1,000 RPMs off in the upper-RPMs.
|
Really that much? That would mean I shift at 4000 RPM or maybe 4200 (assuming the error as a percentage)?
I don't know. I guess a dyno don't lie none, but I have a hard time believing that.