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  ติดต่อลงโฆษณา [email protected] หรือโทร. 081-811-1138 หรืออ่านรายละเอียดเพิ่มเติม คลิกที่นี่

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<p>[QUOTE=&quot;Dr. Jeff Harper, post: 1020088, member: 22311&quot;]Well . . . . . . after a month . . . nobody knew what this guy was doing.</p><p><br /></p><p>Here is the answer: the crew member is using a device to test how sticky the track is at various points on the drag strip.&nbsp; This is a new practice in The States at the national event level.&nbsp; The device assigns a numerical value to the degree of track stickiness so that the crew chief can determine how much clutch slippage to dial in.&nbsp; This is a process of tuning the race car to the particular track they are racing on . . . and with top fuel dragsters and nitro funny cars now making 8000 horsepower . . . . it is very important.[/QUOTE]</p><p><br /></p>

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