I would agree in a bracket car somewhere from 160-180 would be a ghreat target. I too have buried mine hot lapping the car. Could feel it through the tunnel. Had a couple times I just taped over the gauge so I couldn't see it. Never had any ill affects from it.

"I am not ashamed to confess I am ignorant of what I do not know."

"It's never wrong to do the right thing"