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2018 Rd. Atl. Consumables


Team Infiniti
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All kidding aside, 2018 was a fairly incident free, fast, favorable weather event, no CTJ meetings and few FCY.

 

Listening to teams with issues and looking @ post race impound cars I saw what seemed to be increased brake wear with 2 of the 5 showing no to almost no front pads left. (not something noticed in the past)

 

I am looking to hear from long term Chump/Champ teams that have run 3+ Road Atlanta Chump 14 hr races with the same car.

 

Was there a noticeable or unexpected amount of tire/brake/fuel used during this event?

 

This place sucks for reception, were radios any different/worse then in the past?  Any other CAR related observations or comments?

Edited by Team Infiniti
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Last year we used more brake pads, but this year we are using a different compound and had plenty left.  The fuel burn was more, but this was due to less FCY conditions since RA started to do hot pulls. 

No issues with radio reception.

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Just now, chip said:

Last year we used more brake pads, but this year we are using a different compound and had plenty left.  The fuel burn was more, but this was due to less FCY conditions since RA started to do hot pulls. 

No issues with radio reception.

 

What compound? :ph34r:

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reception was the usual for us.. had some individual issues.

 

brakes seemed to be working with 80% left after we changed to a non HAWK compounds. (Was not pleased with the Hawk rep at PRI who basically said "so" when I said we were burning up our Hawk brakes in 6hrs)

 

 

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13 minutes ago, SiberianDVM said:

You saw what was left of my front brake pads, at least the high $ ones. :P The EBC Yellow Stuff we put on at 7 hours lasted the rest of the race easily. 

 

 

 

 

Sharing our secret sauce did nothing but put Mr DVM in the poor house.

 

saying that

 

Anyone care to elaborate on compounds?:ph34r:

 

Edited by Team Infiniti
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You saw ours in impound.  Tire wear was good, but front brakes were down to metal on one side, small amount of pad left on the other.  Think maybe we had a caliper hanging up towards the end.  Was more wear than usual for us.  Times and fuel mileage were similar to what we have experienced in past years, but had oil consumption issue that may have led to the engine failure in the GT30.

Radio was similar to past years.  Garbled in the back portion of the track, Ok near the pits.

Edited by CWag
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My Supra consumed a prodigious amount of fuel. The cool weather, long green flag runs, and smaller wheels were all culprits. 

 

Tires were new to me (Hankook RS4) and performed well while wearing far less than RE71s. 

 

Brakes: I forgot to tell Porterfield to shave 0.5mm from my new pads and they went in a bit tight with new rotors. This led to some serious shuddering on test day and the early part of the race. During the race I replaced one rotor and installed a set of used ST43 pads that already had 39 race hours on them to run the last 10 hours. The ST43 pads are amazing on the front of my car, routinely going 45-50 race hours per set on a 2750# car (with driver). Rear pads are the same set I used at the VIR 24 and AMP...  $25 Wagners from NAPA. 50 hours of racing and still going strong. 

Edited by revvhappy
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I mean, we suck so I have no problem sharing info:

 

Tires: RS4's still look brand new after Rd Atl.  Still had plenty of grip at the end

Brakes: New set of DTC-60's lasted the test day and about 10 hours on race day with the last 2 drivers attempting to not use the brakes.  Even if we had put them on brand new on race day, I don't think they would of made it more than 11 hours.  We were down to backing plates.

Fuel: As the day got hotter and the drivers got better, we could do about 1:45 on fuel.  If we would of used some of that non-corn crap, we might have made it a bit longer.

Drivers: I could of used an IV bag at about 45 mins.  I drank all of what was in my drink bottle and still got the worlds worst cramps.  Going down the back straight trying to stretch my leg enough to get it to go away was fun

 

EDIT: Forgot about radios

 

Radios: Non Digital in our car, we only had real reception from the top of the hill going into 11 until right around turn 3.  We had some folks around us that had digital and they made it seem like they had reception around the whole course.  We've got to pony up for a nice digital setup at some point.

Edited by Jab31169
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12 minutes ago, vtjballeng said:

Our wheel bearing failures caused pad knock-back that put more stress on the rears.  We burned up our rears at ~11hrs for the first time.  Not a useful data point but we were a bit surprised.

Data point that may or may not prove interesting

 

We run the same caliper/rotor config as you but obviously we tax the stuff more with weight and lack of engine brake

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1 hour ago, Jab31169 said:

Fuel: As the day got hotter and the drivers got better, we could do about 1:45 on fuel.  If we would of used some of that non-corn crap, we might have made it a bit longer.

Drivers: I could of used an IV bag at about 45 mins.  I drank all of what was in my drink bottle and still got the worlds worst cramps.  Going down the back straight trying to stretch my leg enough to get it to go away was fun

I used to get leg cramps EVERY time I went on track.  Then I realized that pressing the gas with 200 lbs of force doesn't make the car go faster.......  I get a lot less cramps now but I have to remind myself to stop trying to push through the firewall a couple of times each stint.

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14 minutes ago, ABR-Glen said:

Looking at the results the winners ran ~10% more laps than in years past, the pace is significantly up. 

There were only 3.5 FCY's. They weren't that long either.

 

Looking at T&S, Huggins only had 1 jump in their chart over 7 minutes. Last year RBank had 4 of them (One was 12 minutes, another for 17 minutes, and then one more for 24 minutes)

Edited by jakks
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2 hours ago, Ron_e said:

Bananas are high in potassium which helps to prevent cramps along with proper hydration.

Also heard magnesium is good to take beforehand. I might see if I can get one of those IV recovery places to show up before Daytona and get pumped full of fluid.

Edited by Jab31169
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7 hours ago, Racer28173 said:

I used to get leg cramps EVERY time I went on track.  Then I realized that pressing the gas with 200 lbs of force doesn't make the car go faster.......  I get a lot less cramps now but I have to remind myself to stop trying to push through the firewall a couple of times each stint.

 

I broke our throttle stop at VIR North in December.  We quickly came up with a solution and realized the stock stop had a lot of side to side play with a bolt head hitting a shaft.  The shaft just rolled off the edge.

 

Apparently I was the only driver giving it all she had with the (excessive) pedal effort.

 

Also, this is a thing to help with the cramps (potentially): https://shop.gatorade.com/endurance/gatorlytes

Edited by vtjballeng
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14 hours ago, KSRD said:

reception was the usual for us.. had some individual issues.

 

brakes seemed to be working with 80% left after we changed to a non HAWK compounds. (Was not pleased with the Hawk rep at PRI who basically said "so" when I said we were burning up our Hawk brakes in 6hrs)

 

 

 

Glad to hear they worked out. Did you also switch to the rotors I told you about?

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