The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Racing and high performance (trucks haulin more than hay)

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 06-26-2006, 10:39 AM   #1
71Dragtruck
Registered User
 
71Dragtruck's Avatar
 
Join Date: Jun 2004
Location: Saskatchewan, Canada
Posts: 1,368
Re: Ran 11.44 @117.69mph

Quote:
Originally Posted by bigjimzlll
10.00 and below need sfi sheilds, unless the firewall is not stock. 10.99 and below you need aftermarket axels/or C clip eliminators. 11.49 to 10.00 need a 5 point roll bar and sfi fire jacket.

Here is the online rule book
http://members.tripod.com/MY5LTR/NHRArules.html
Which rule would apply, they have 2 different rules, or has it to do with stock floor boards.

Under general:


2.14 TRANSMISSION, AUTOMATIC

Any non-OEM floor-mounted automatic transmission shifter must be equipped with a spring loaded positive reverse lockout device to prevent the shifter from accidentally being put into reverse gear. Functional neutral safety switch mandatory. All transmission lines must be metallic or high-pressure-type hose. All vehicles running quicker than 9.99 seconds (*6.39) or faster than 135 mph (217.2 km/h) and using an automatic transmission must be equipped with a transmission shield meeting SFI Spec 4.1 and labeled accordingly. "Blanket" type shield, appropriately labeled as meeting SFI Spec 4.1 permitted. All non blanket type shields must incorporate two (or one, per manufacturer's instructions) 3/4-inch (19.1 mm) x 1/8-inch (3.2 mm) straps that bolt to the shield on each side, and pass under the transmission pan, or transmission pan must be labeled as meeting SFI Spec 4.1. Permitted in all classes where an automatic transmission is used. 9.99 (*6.39) or quicker ET cars, and 135 mph (217.2 km/h) or faster ET cars using an automatic transmission must be equipped with a flexplate meeting SFI Spec 29.1 and covered by a flexplate shield meeting SFI Spec 30.1. Air shifter bottles must be stamped with DOT -1800 pound (124 bar) rating (minimum) and be securely mounted (i.e. no tie-wraps or hose clamps.)


Or would it be this?

Under SECTION 1A
E.T. SUPER PRO, PRO, SPORTSMAN

7.50 (*4.50) seconds or slower:


2.4 TRANSMISSION, Automatic

Spring-loaded, positive reverse lockout device and functional neutral safety switch mandatory. Transmission shield meeting SFI Spec 4.1 mandatory on any car running 10.99 (*6.99) or quicker or any car exceeding 135 mph (217.2 km/h). Automatic transmission flex plate meeting SFI Spec 29.1 and flex plate shield meeting SFI Spec 30.1 mandatory on cars running 9.99 (*6.39) or quicker or any car exceeding 135 mph (217.2 km/h). See General Regulations 2.14.
__________________
Speed is just a matter of money, question is how fast can you afford to go?
8.95@148.97mph all motor haven't tried bottle yet
Sponsored by:
Getz Oilfield Consulting
Hard Candy Customs
71Dragtruck is offline   Reply With Quote
Old 06-26-2006, 02:28 PM   #2
57sailplane
Senior Member
 
57sailplane's Avatar
 
Join Date: Mar 2004
Location: Nebraska
Posts: 583
Re: Ran 11.44 @117.69mph

hey 71 drag truck here are some pictures of the cage welded to frame underneath cab. if you need anything else let me know.
Attached Images
   

Last edited by 57sailplane; 06-26-2006 at 02:30 PM.
57sailplane is offline   Reply With Quote
Old 06-26-2006, 03:15 PM   #3
71Dragtruck
Registered User
 
71Dragtruck's Avatar
 
Join Date: Jun 2004
Location: Saskatchewan, Canada
Posts: 1,368
Re: Ran 11.44 @117.69mph

Thank's, that's a serious cage you got going there, you must be planning on some 9's.
__________________
Speed is just a matter of money, question is how fast can you afford to go?
8.95@148.97mph all motor haven't tried bottle yet
Sponsored by:
Getz Oilfield Consulting
Hard Candy Customs
71Dragtruck is offline   Reply With Quote
Old 06-26-2006, 05:25 PM   #4
57sailplane
Senior Member
 
57sailplane's Avatar
 
Join Date: Mar 2004
Location: Nebraska
Posts: 583
Re: Ran 11.44 @117.69mph

yes i would be happy with low 9's since i am running a sbc 383 with nos. my combo might not be as large as yours but i hope it will go the distance.. i built it expecially for nos.. cam pistons and even heads were ported profesionally for nos.. anyways the weight thing is what i am looking at now. thats why i was wandering what your truck weighed.. anyways keep us posted on what your doing cause alot of us wish we were racing...
57sailplane is offline   Reply With Quote
Old 06-26-2006, 05:54 PM   #5
LUV2XCLR8
The LuvShack Garage
 
LUV2XCLR8's Avatar
 
Join Date: Jan 2004
Location: Maple Grove, TN (West Side)
Posts: 30,475
Re: Ran 11.44 @117.69mph

You guys make me miss my old stock weekend warrior, ran a whopping
9.556 in the 1/8 on wore out Hoosier quicktime tires, btw mine weighed
in at 3,400 lbs, no inner fenders, and no tailgate, and full bench seat
__________________
Owner/Op: "TN Classic Transport Carriers"
The Toy: "Square Vette" 72 Hybrid Blazer
Toy Barn: "LuvShack" 40 x 60 x 20 Shop
Tow Piggy:"Maddy" 88 Silverado 3500
Hauler: "Feathers" 14 Aluma 8218T
LUV2XCLR8 is offline   Reply With Quote
Old 06-26-2006, 09:38 PM   #6
bigjimzlll
Senior Member
 
bigjimzlll's Avatar
 
Join Date: Dec 2001
Location: Redding,CA...USA
Posts: 4,736
Re: Ran 11.44 @117.69mph

Quote:
Originally Posted by 71Dragtruck
Which rule would apply, they have 2 different rules, or has it to do with stock floor boards.

Under general:


2.14 TRANSMISSION, AUTOMATIC

Any non-OEM floor-mounted automatic transmission shifter must be equipped with a spring loaded positive reverse lockout device to prevent the shifter from accidentally being put into reverse gear. Functional neutral safety switch mandatory. All transmission lines must be metallic or high-pressure-type hose. All vehicles running quicker than 9.99 seconds (*6.39) or faster than 135 mph (217.2 km/h) and using an automatic transmission must be equipped with a transmission shield meeting SFI Spec 4.1 and labeled accordingly. "Blanket" type shield, appropriately labeled as meeting SFI Spec 4.1 permitted. All non blanket type shields must incorporate two (or one, per manufacturer's instructions) 3/4-inch (19.1 mm) x 1/8-inch (3.2 mm) straps that bolt to the shield on each side, and pass under the transmission pan, or transmission pan must be labeled as meeting SFI Spec 4.1. Permitted in all classes where an automatic transmission is used. 9.99 (*6.39) or quicker ET cars, and 135 mph (217.2 km/h) or faster ET cars using an automatic transmission must be equipped with a flexplate meeting SFI Spec 29.1 and covered by a flexplate shield meeting SFI Spec 30.1. Air shifter bottles must be stamped with DOT -1800 pound (124 bar) rating (minimum) and be securely mounted (i.e. no tie-wraps or hose clamps.)


Or would it be this?

Under SECTION 1A
E.T. SUPER PRO, PRO, SPORTSMAN

7.50 (*4.50) seconds or slower:


2.4 TRANSMISSION, Automatic

Spring-loaded, positive reverse lockout device and functional neutral safety switch mandatory. Transmission shield meeting SFI Spec 4.1 mandatory on any car running 10.99 (*6.99) or quicker or any car exceeding 135 mph (217.2 km/h). Automatic transmission flex plate meeting SFI Spec 29.1 and flex plate shield meeting SFI Spec 30.1 mandatory on cars running 9.99 (*6.39) or quicker or any car exceeding 135 mph (217.2 km/h). See General Regulations 2.14.

You know I don't know. I'm running 10.20's on N20 and they haven't said anything about a trans shield. 10.99 on motor alone so I better find out b4 I go to a real track. My track is 550' above sea level but the DA is always over 4000'

I know I could get into the 9s but I'm not licenced or the truck isn't speced to run below 10.00
__________________
It's called "drag racing" if they called it "tic..tic..WHAM!..BANG! F*&K!!!", they'd have to keep the magazines under the counter with the other men's publications

click the clicky to join the site....
http://67-72chevytrucks.com/vboard/payments.php


67 lwb..first hotrod in 25 years..540 best ET is 9.45 @ 141.44
Anderson,CA
bigjimzlll is offline   Reply With Quote
Old 06-26-2006, 09:57 PM   #7
71Dragtruck
Registered User
 
71Dragtruck's Avatar
 
Join Date: Jun 2004
Location: Saskatchewan, Canada
Posts: 1,368
Re: Ran 11.44 @117.69mph

What's yours weigh again, and are launching on a trans brake? I'd love to be running 10's on motor, doubt I'll ever run as fast as you. I,d have to lighten it up for sure, or go to a 540 next re-build, just need the block and pistons.

Do you have a DA chart, or how do you figure that?
__________________
Speed is just a matter of money, question is how fast can you afford to go?
8.95@148.97mph all motor haven't tried bottle yet
Sponsored by:
Getz Oilfield Consulting
Hard Candy Customs

Last edited by 71Dragtruck; 06-26-2006 at 10:00 PM.
71Dragtruck is offline   Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 11:00 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2025, vBulletin Solutions Inc.
Copyright 1997-2025 67-72chevytrucks.com