If I have this right...the difference between a adjustable button and a delay box is on which bulb you release. Button is bottom bulb, box is top bulb. Otherwise, it's pretty much the same. The advantage of a box (top bulb) would be a driver would have sufficient time to get both hands on the wheel before the car launches. Could make cars a little safer off the line!
'RG' Menard
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Ray Menard
SS/CS (SS/DM & SS/EM)
#7386
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