what would excessive soot loading numbers are we going by? delvac advocates 100K in trucks that's 5x the normal so i'm just curious what levels of soot loading is the limit on 617 or who come up with it?

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2004 Infiniti G35 3.5L 6mt Coupe 73K miles 25.6mpg ytd
2001 Green Audi TT 225 AWD Roadster 71K 6sp 30.9mpg >>STOLEN<<
1982 300D Turbo 231K 120hp? 28.1mpg YTD