NHRA Rule Effecting When Tire Wraps are Removed

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NHRA Rule Effecting When Tire Wraps are Removed

Postby dbbubba01 » Wed Oct 24, 2018 11:18 am

Since we started running 7.90 class about a year ago we have been doing tire treatment and using tire wraps.
Our prep procedure before each run is to remove the tire wraps AFTER we roll past the water box.
In cases where my daughter cannot drive around the water having the tire wraps on keeps the tires drier than if they were not there.
The difference between using tire rep and this procedure and not using it is dramatic when you view the graphs of our runs.
The difference is night and day.

We have raced at four NHRA tracks and two IHRA tracks this season and we have been allowed to remove the wraps after the water box.
This includes the Western Conference Finals in Tulsa.

This weekend, at the Division 4 Bracket Finals we were told quite adamantly that we had to remove the wraps at the ready/start-up position.
Fortunately, there is room to roll around the water at The Texas Motorplex, so we were not effected too much.

I have checked and it seems like this same "rule" is being enforced at some Division 7 tracks and races.
As I understand, there have been similar rulings before we started using tire prep and wraps.

I have a call into Trey Capps who heads the NHRA Division 4.
When I asked the people at NHRA's headquarters in Glendora they said there was no specific ruling.

It appears that the ruling is an interpretation of the rule that says the cars must be "prepared to fire and race" at the end of the staging lanes.
As I understand, the Division Director can make the call on the interpretation this rule.

SO, MY QUESTION IS... WHO ELSE HAS ENCOUNTERED THIS SITUATION?
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Re: NHRA Rule Effecting When Tire Wraps are Removed

Postby clayton's dad » Wed Oct 24, 2018 12:06 pm

At Eastern Conference finals in Bristol you are required to remove them at the end of staging before you roll under the tower.
Tracks make the rules and each track is different
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Re: NHRA Rule Effecting When Tire Wraps are Removed

Postby Speedracer_323X » Wed Oct 24, 2018 2:43 pm

Here is the wording straight from the 2018 NHRA Rulebook. Page 37 in Tire and Wheels.

TIRES
Rear tires minimum 18-inch diameter by 7 1/2 inches wide, as noted by
size designation on sidewall of tire or by physical measurement at widest or
tallest point. All front tires must have a manufacturer’s maximum inflation
rating. Tires may not be inflated above manufacturer’s ratings. All tires must
be pneumatic; no solid tires. Tires will be visually checked for condition,
pressure, etc. and must be considered free of defects by the technical
inspector prior to any run. Treatment of tires is prohibited in or near the
staging lanes or starting-line area. Tire covers must be removed before
leaving the staging lanes
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Re: NHRA Rule Effecting When Tire Wraps are Removed

Postby dbbubba01 » Sat Oct 27, 2018 11:01 am

Thanks for pointing this out.
After reviewing our graphs it appears that waiting to take our wraps off after the water box had little or no effect.
We still won the next two rounds after we were told we had to remove the wraps where we fired up.

I had been following the directions on how to do the treatment process from people who race in Division 7.
This was how many of them were completing the process.

We will just adjust our routine a bit.

Thanks again.
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Re: NHRA Rule Effecting When Tire Wraps are Removed

Postby zrt-racing » Sun Nov 04, 2018 9:59 am

Clayton's dad stating that in Bristol for the ECFs the wraps must be removed before you pass the line where staging lanes ends , before you go under the tower is correct...
That said.... Bristols track and even the area between staging lanes and the track is pristine and clean!!
Also ..and this is a big one...it is a Jr only race!!! Therefore they dont pick up a ton of stones and debris driving around the track and then shoot them all over behind the water box as the big cars do !!
The area stays clean.
At a regular race with all classes, the area behind the water box gets littered with all the crap coming off the big car tires at burnout.
So this is why keeping covers on until after the water box (or just before for those who do burnouts), is important for Jrs.
We have been at races where we have discussed this with officials and even had their views changed for the race.
Yes I do believe it is a rule that they must be removed at end of staging lanes, but I would argue that point if enforced and really feel the rule should be adjusted for Jrs!!
Especially because so many do not do burnouts.
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Re: NHRA Rule Effecting When Tire Wraps are Removed

Postby dbbubba01 » Mon Nov 05, 2018 1:14 pm

Personally, I can't see how keeping the wraps on until after the water box hurts anything or anyone.
Chris McGee mentioned that he thought some people had complained about the prep getting onto the track and effecting them.
In truth, any left over prep would help more than hurt anyone.

We run our car at three tracks and all three keep the start up area clean to different degrees.
We do a lot of test and tune at North Star Dragway (Denton, Texas) and their track prep is as good as it gets.
In fact, the track is so sticky that the car runs as much as a tenth slow compared to The Texas Motorplex.
Of course, they have no bracket races at North Star.

We run brackets at Paris Dragstrip (Paris, TX) and they have an so-so surface prep, but the start-up area up to the burn out box is kept fairly clean.
They really try hard to please everyone.

The Div. 4 Junior Finals were at The Texas Motorplex and that was where I was told to remove the wraps at the fire up line.
At the finals the area was pretty clean because it was a junior dragster only event.
However, during the regular brackets and other events where the juniors run with the big cars there is a lot of debris.
I can't say anything there without raising the hackles of track management because they are already mad at me for moving to a different track.

I am going to talk with NHRA to see if I can start a conversation about an exception to the rules for junior dragsters.
For the record, I have not heard back from our Division 4 Director...
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Re: NHRA Rule Effecting When Tire Wraps are Removed

Postby slowgoat » Thu Nov 08, 2018 12:43 am

It is because Trey Capps has a power and control problem. He says too many people waste time and slow up the race because they don’t know how to remove tire covers in a timely manner.Its not a motorplex issue, It’s a Trey Capps issue
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