GSXDNA
15+ Year Contributor
- 256
- 14
- Nov 19, 2007
-
Los Angeles,
California
OP, can you provide a bit more info on what happens when "it goes all retarded" after 4k? What's it sound like? Is it always exactly 4k? How does the car behave? Is is shaking, stuttering, misfiring? Will it continue to rev to 7k? Do you hear any detonation?