Well my son is bottom bulbing it this weekend

MOPARMAGA said

Please explain bottom bulb or top bulb in the simplest terms for my dumb *** to understand.
I don't believe we have any of that stuff around here.

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Box class is usually referred to as top bulb racing because those running a delay box leave go
Of the transbrake button on the top bulb.


No box class is called bottom
Bulb racing because that when you leave your foot off the brake pedal or transbrake button when not using a delay box.