roll bar and roll cage rule

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roll bar and roll cage rule #1473061 07/23/13 11:41 PM 07/23/13 11:41 PM
Joined: Jun 2004 Posts: 378 bc canada 6 67valiant OP enthusiast
67valiant OP enthusiast 6 Joined: Jun 2004 Posts: 378 bc canada	had i guy ask me this the rule book says your roll bar must be 1 3/4 and .118 wall to be nhra legal there are guys in our area running into the 10 with roll cages that do not meet the chassie cert rule as to they are to small/thin as to wall they cant get there chassie cert to go faster then 9.99 but can run faster then 11.50? to have chassie cert they have to be 1 3/4 and .118 wall i thik it was early 1990 when ther changed the rule to be a min of .118 wall i hope you guys can decode what im asking

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