Entering NASCAR’s gray area turned into a red-hot firestorm for Brad Keselowski this week.

But the Penske Racing driver didn’t overstep the bounds of propriety in the traditional manner that has triggered multirace crew chief suspensions, points deductions and big-ticket fines from NASCAR.

After suggesting “tricks” were helping rival Hendrick Motorsports build the fastest cars in the Sprint Cup Series, Keselowski discovered the backlash can be as fierce for talking about the nether regions of the rulebook as for working in them.