I think Jerry took a page out of VW's book and hooked it to the ABS excitor rings on the front wheels. If they aren't turning, it's restricted. If it sees a square wave, it's unrestricted...
Marshall Mosty
AI/SI Texas Regional Director
2011 NASA-TX American Iron Champ
AI #67 "Mosty Brothers' Racing" (RIP)
ST6 #21 Toyota Corolla (being revived)...
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