Just thinking out loud here -- but wouldn't "what works in NASCAR" come with some caveats? --- as in --- don't you think they rework and inspect just about every aspect of these cars after every race? So while the seals might be "fine" for NASCAR -- 500 miles isn't that big of a deal if they're being replaced all the time...
I don't know if they do that - but just saying that what might work on a NASCAR might not be so "user friendly" for our PT cars.
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