Wheel tubs in Super Stock

Jeff Lee · 04-17-2010, 07:00 PM

I left a message with NHRA tech but their at the races right now. I've been told the rule regarding wheel tubs (must be steel, same gauge as factory) has been modified to allow the use of aluminum tubs. But I can't find reference to that in the rule book. Is aluminum allowed (or carbon fiber), and if so, where is it noted?
Another question. Is a full length one piece tub allowed in a car that came equipped with a trunk (unlike the 'vettes)? I've heard of at least one SS 1st gen Camaro with this feature. I like the idea of a carbon fiber tub as there would be no rock dents like aluminum and a full one-piece tub offers more room on the underside to work around. I can't imagine carbon fiber is any lighter than aluminum.

RPinoski1 · 04-18-2010, 01:19 AM

Must be steel
aluminum ok for back piece and package tray ie firewall to trunk area.
For SS must have original floor between frame rails.
For GT original floor not required between frame rails.
Material must be same thickness as original

Chad Rhodes · 04-18-2010, 10:05 AM

i wonder if you'd put steel tubs in a vette............

Adger Smith · 04-18-2010, 03:14 PM

Chad,
I wouldn't!

Dwight Southerland · 04-19-2010, 09:44 AM

We did hand made fiberglass tubs in our 'Vette back in '89 with no objections.

Tom Goldman · 04-19-2010, 04:12 PM

Jeff, I've seen several cars done this way in SS. ...It really makes sense in a car like the AMX because of the short wheelbase and no room behind the seat area..........The tubs were made big enough to cover the 4 -link . .....Tom

Jeff Kempton · 04-19-2010, 07:37 PM

Quote:

Originally Posted by RPinoski1

Must be steel............Material must be same thickness as original

If NHRA held you to this wording, wouldn't that mean that steel tubs installed in a Corvette would need to be 1/4" thick at least, to match the stock fiberglass wheelwell thickness? Yikes!

Wade, I have been on your site and following your Corvette build, and you exhibit great workmanship. Those wheel tubs are very nicely done. When we put tubs in a '57 Corvette many years ago we used sectioned fuel drums as molds......and the end result looked it too! Not one of our prouder achievements......

W J · 04-19-2010, 07:51 PM

Wade.....1st class craftsmanship on that '60 Vette of yours......hope it hits the track this season. WJ

Darrin Christen · 11-20-2011, 10:07 PM

I know this is an old post, but do the steel wheel tubs have to be welded in or can they be riveted?

04-17-2010, 07:00 PM	#1
Jeff Lee VIP Member Join Date: Jul 2007 Location: Anthem, Arizona Posts: 2,766 Likes: 0 Liked 3 Times in 3 Posts	Wheel tubs in Super Stock I left a message with NHRA tech but their at the races right now. I've been told the rule regarding wheel tubs (must be steel, same gauge as factory) has been modified to allow the use of aluminum tubs. But I can't find reference to that in the rule book. Is aluminum allowed (or carbon fiber), and if so, where is it noted? Another question. Is a full length one piece tub allowed in a car that came equipped with a trunk (unlike the 'vettes)? I've heard of at least one SS 1st gen Camaro with this feature. I like the idea of a carbon fiber tub as there would be no rock dents like aluminum and a full one-piece tub offers more room on the underside to work around. I can't imagine carbon fiber is any lighter than aluminum. __________________ Jeff Lee 7494 D/S '70 AMX

04-18-2010, 01:19 AM	#2
RPinoski1 Member Join Date: Jan 2002 Location: PLACERVILLE, CA Posts: 182 Likes: 0 Liked 0 Times in 0 Posts	Re: Wheel tubs in Super Stock Must be steel aluminum ok for back piece and package tray ie firewall to trunk area. For SS must have original floor between frame rails. For GT original floor not required between frame rails. Material must be same thickness as original

04-18-2010, 10:05 AM	#3
Chad Rhodes VIP Member Join Date: Jan 2005 Location: Where the Green Grass Grows, AL Posts: 2,375 Likes: 0 Liked 3 Times in 3 Posts	Re: Wheel tubs in Super Stock i wonder if you'd put steel tubs in a vette............ __________________ Chad Rhodes 2113 I/SA

04-18-2010, 03:14 PM	#4
Adger Smith VIP Member Join Date: Dec 2001 Location: Texarkana Ark/TX Posts: 2,446 Likes: 575 Liked 880 Times in 311 Posts	Re: Wheel tubs in Super Stock Chad, I wouldn't! __________________ Adger Smith (Former SS)

04-19-2010, 09:44 AM	#5
Dwight Southerland VIP Member Join Date: Dec 2001 Location: Arkansas - In the middle of everything. Posts: 2,001 Likes: 64 Liked 778 Times in 193 Posts	Re: Wheel tubs in Super Stock We did hand made fiberglass tubs in our 'Vette back in '89 with no objections.

04-19-2010, 04:12 PM	#6
Tom Goldman VIP Member Join Date: Jan 2003 Location: Allentown,PA Posts: 2,475 Likes: 887 Liked 865 Times in 235 Posts	Re: Wheel tubs in Super Stock Jeff, I've seen several cars done this way in SS. ...It really makes sense in a car like the AMX because of the short wheelbase and no room behind the seat area..........The tubs were made big enough to cover the 4 -link . .....Tom __________________ Tom Goldman 1500 SG , 1506 STK

04-19-2010, 07:51 PM	#8
W J Senior Member Join Date: Jul 2009 Location: Paxton, Massachusetts Posts: 638 Likes: 0 Liked 0 Times in 0 Posts	Re: Wheel tubs in Super Stock Wade.....1st class craftsmanship on that '60 Vette of yours......hope it hits the track this season. WJ

11-20-2011, 10:07 PM	#9
Darrin Christen Member Join Date: Mar 2007 Location: Des Allemands, LA Posts: 365 Likes: 8 Liked 1 Time in 1 Post	Re: Wheel tubs in Super Stock I know this is an old post, but do the steel wheel tubs have to be welded in or can they be riveted? __________________ 4878 SS/GA 66CHEVY II