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Robert Swartz · 02-28-2009, 10:40 AM

Looking at both "2008" rulebooks, I don't have newer ones yet. NHRA calls for a maximum of 2 x 3 x .125. IHRA calls for a maximum 2 x 3 x .120 mild steel. I'll leave it to others more experienced than I to advise you on the minimal allowances.

I agree with the triangulation. My 66 Chevy II bracket car doesn't have this. I intend to rectify that before we return it to the track. Our crate motor Firebird will have alot more thought put into the chassis before we begin construction.

Good luck with your build,

Robert Swartz

02-28-2009, 10:40 AM	#4
Robert Swartz Senior Member Join Date: Aug 2008 Location: Nineveh, Indiana Posts: 512 Likes: 0 Liked 3 Times in 3 Posts	Re: subframe connectors and stock class Q Looking at both "2008" rulebooks, I don't have newer ones yet. NHRA calls for a maximum of 2 x 3 x .125. IHRA calls for a maximum 2 x 3 x .120 mild steel. I'll leave it to others more experienced than I to advise you on the minimal allowances. I agree with the triangulation. My 66 Chevy II bracket car doesn't have this. I intend to rectify that before we return it to the track. Our crate motor Firebird will have alot more thought put into the chassis before we begin construction. Good luck with your build, Robert Swartz __________________ Robert Swartz - Swartz & Lane 66 Chevy II Pro 95 Achieva EF/SA, 78 Mustang II U/SA (work in progress) #354 stock