Recent Restrictor Plate Posts

Radiator Temperature vs. Pressure Setting of Pop-Off Valve

Why Radiators are so Important at Plate Tracks – The radiator pressure rules seem to change a lot at plate tracks:  here’s why…

Why Bump Drafting Seems Harder in 2012  A summary of why bump drafting done incorrectly causes so many problems

What’s a Pop-Off Valve?  One of the easiest last-minute changes for NASCAR to make is the pressure relief valve (a.k.a. the “pop-off valve”).  Here’s everything you need to know about how that affects drivers’ ability to draft.

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