1972 dart - stopped running while at 50 mph ? no warning

i kinda still don't believe this , but the "new" 3 to 4 months old rotor on the right , the blue one . pictured here with the centers of both measured and lined up side by side with the old white one ( from some years ago ) , the white one's tip is a at least full 1/16th longer . i hope they just gave me the wrong part or the wrong part was in the box . i hope this is not what they are going to be selling now . oddly this short blue one worked just fine for about three or four months . then from what i can tell , it was not making enough contact to start or stay running . put the old bent up white one in , it starts right up and runs good . of course , i looked around a found a new old stock blue streak rotor from the collection of parts , and put that one in . looks exactly like white white one , and has the same dimensions , etc. fired right up too .


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