Originally posted by muskamike:
Anyone care to speculate or share knowledge? Should I continue with 87 or 92?



Stick with 87 if you like reduced performance, possible detonation and ping, and possible damage to the engine if you drive it hard regularly.

Use 92 if youre concerned with having your car run at its best, and want to use the car's POWERBAND (5-7000 RPM) without problems.

E0 3781