For the basics of drag racing, you could check out something like
www.staginglight.com or search for drag racing sites on-line. Or better yet, just go out to your local track one evening and spectate.
By 'no electronics', they mean no delay boxes, cross-over boxes, down-track throttle stops, and other mechanisms that give an unnatural advantage towards consistency. Depending on the track, it may also extend to line-lok devices, transbrakes and two-steps.
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Jeff Chambers
1990 Mustang GT 10.032 Seconds / 137.5 MPH
14-time Street Warrior World Record Setter
CRT Performance
2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH
2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2
"There's nothing boring about a small block automatic shifting gears at 9400 rpm!"