Re: NHRA Header Tether Rule
[Re: DusterKid]
#1558345
01/03/14 07:11 PM
01/03/14 07:11 PM
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Joined: Oct 2009
Posts: 1,288
Oregon
sg66mopar
pro stock
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pro stock
Joined: Oct 2009
Posts: 1,288
Oregon
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Been wondering about this also?? Maybe I'll just pull the mufflers off.  The wording says nothing about mufflers so technically "muffler tethers" aren't required. There's no "approved" tether to address that situation. All that said, I'm sure NHRA will make a clarification soon.
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Re: NHRA Header Tether Rule
[Re: sg66mopar]
#1558346
01/03/14 07:27 PM
01/03/14 07:27 PM
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Joined: Jan 2003
Posts: 1,613
westerly, ri. usa
440lebaron
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,613
westerly, ri. usa
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anything that "slips on" needs a tether
all parts are sold as is, all parts are considered used no warranties or returns
paypal/check/money order, shipping is from zip 02891, buyer pays paypal fees 24% IRS 1099A plus 3% of part price, check/money order preferred
site is not monitored 24/7 there might be a delay in response
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Re: NHRA Header Tether Rule
[Re: 440lebaron]
#1558347
01/03/14 07:50 PM
01/03/14 07:50 PM
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Joined: Nov 2004
Posts: 4,330
Lynchburg, VA
Leon441
master
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master
Joined: Nov 2004
Posts: 4,330
Lynchburg, VA
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I have tri Y collectors. I also have an X-pipe exhaust with 1/2" bolts holding it to the chassis. I was told this was fine as it is a tight fit. I then showed the tech guy a huge conduit clamp around the X-pipe and X in the chassis. I think the Tether rule is BS requiring a NHRA approved overpriced tether. But, guys that were not doing enough to prevent exhaust from coming off caused this rule to come about.
A local guy lost a muffler with two 3/8 Bolts holding it to the chassis. The car was totaled.
Leon
Career best 8.02 @ 169 at 3050# and 10" tires small block power.
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Re: NHRA Header Tether Rule
[Re: sg66mopar]
#1558350
01/03/14 10:29 PM
01/03/14 10:29 PM
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Joined: Oct 2009
Posts: 1,288
Oregon
sg66mopar
pro stock
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pro stock
Joined: Oct 2009
Posts: 1,288
Oregon
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"Effective Jan. 1, 2014, removable multi-piece exhaust collectors/stacks must be securely fastened with an NHRA accepted header tether, such as Lokar’s 1400009 or 1401009 to prevent loss of collector/stacks during competition. Flexible tubing or “flex pipe” prohibited in all categories. If mufflers are used, they must be securely attached to exhaust system and car body or frame."  If mufflers are used, they
must be securely attached to exhaust system and car body or frame.
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Re: NHRA Header Tether Rule
[Re: dvw]
#1558354
01/04/14 03:17 AM
01/04/14 03:17 AM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
Do you guys really think they're going to check part numbers for SFI? Come on. A couple of stainless clamps a piece of braided cable and you're done. When has anyone bent under your car to check a part, not to mention a number? Heck no one even asked to seem my license last year.
Doug
All the years I've raced NEVER once has the inspector
even got down on a knee to look under my car... only
once or twice did I have to open the trunk to see
if I had a ground wire on the fuel cell when that
rule came out
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Re: NHRA Header Tether Rule
[Re: MR_P_BODY]
#1558355
01/04/14 05:21 AM
01/04/14 05:21 AM
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Joined: Jan 2003
Posts: 20,226
Park Forest, IL
slantzilla
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 20,226
Park Forest, IL
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That is one nice thing about RT 66, Tech is very thorough. I've seen them bounce cars that raced at other local tracks for years.
"Everybody funny, now you funny too."
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I didn't get tech'ed at the world finals, salem or prp. Then again, my car is right.
