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terry1 · 11-11-2014, 03:55 PM

Had a hard look through the 2014 NHRA rule book(stock elim.) to find a definition of
when an air cleaner base becomes a "velocity stack".
If there is one I could not find it.

11-11-2014, 03:55 PM	#1
terry1 Member Join Date: Sep 2006 Location: Moncton, N.B. Posts: 276 Likes: 24 Liked 24 Times in 13 Posts	Re: velocity stack ??? Had a hard look through the 2014 NHRA rule book(stock elim.) to find a definition of when an air cleaner base becomes a "velocity stack". If there is one I could not find it.