Originally Posted by lt1silverhawk
Slightly off topic, but what are the chances a cheap-looking after-market tach can be off by a few hundred rpm? I ask because when I hooked up the timing light last time, the light was showing about 200 rpm more than what the tach was showing.
Odds are good.
My cheap piece of junk fluctuates and only works part time.
When you set your timing , you will have to reset your idle again.