Originally posted by Paul Kienitz:
Who needs a tach? I have my ear.
An A below middle C is 6600 rpm. Progressing down the scale:
G# is 6230
G is 5880
F# is 5550
F is 5240
E is 4945
D# is 4670
D is 4400
C# is 4160
C is 3925
B is 3705
A# is 3500
A is 3300
AND this would never change??? I know mine has changed with every performance mod I have done like the intake and the exaust it changed alot...