those who run in NSS : I know we are not allowed to run electronics , however, are we allowed to use Afr gauges and download the afr data for tuning?
thanks

From the NMCA rule book


ONBOARD DIAGNOSTICS\DATA RACORDERS
Onboard diagnostics and data recorders used to monitor and record parameters such as a driveshaft speed, acceleration, nitrous timing, chassis strain, and suspension travel etc., prohibited. Wide band oxygen sensors permitted. “Playback” tachometers permitted. Laptops prohibited in vehicle.

Doug

yea , I got that Dvw, I'm just wondering if i can download my afr data .
Doesn't say a laptop cannot be used is not in the car.
Doesn't say i cannot pull the data chip and take to trailer.
Doesn't say i cannot use bluetooth to transmit the data.
Just says we cannot have a laptop "in" the car and, i think thats really in relation to the context of "doing things to the car" via a laptop.

Interesting isn't it?

Weather is a big deal here , we can go from 700 ft to 3000 ft Da really quickly .

Contact Roger Conley at NMCA tech. But I believe no data recorders or laptops.
Doug

I have an LM2 and a reader in my car. I do record during a time trial but once racing starts I remove the card reader.

Thanks guys.
Local rule interpretation is same: can use prior to time trials / declaring - then no more .

Heck, you guys are way ahead of this old guy. I wouldn't know what to do with one if I had one.....I'd have to hunt Russ up to tell me what's happening!!!

Is the WBO2 for the in-car readouts only? Ideally I would want one in each primary to get a handle on the tuning. You would need some data acquisition system for that. I guess it could be dialed in at a prior race (non-NSS, bracket days), then removed for the NSS race. Those funky Indy intakes must have some odd fuel distributions.

Right there with you Steve... none of that fancy stuff here. Heck, don't even use a weather station.

Casey FJ

I see the same problem here as most venues: it's not the "local rule", it's what the guy you have to to talk to says the rule means.
News flash: subjective, unrecorded, volatile opinion is the OPPOSITE of rules.

I'm not a racer,,,,,,but if o/2 gauges are permitted a gopro on the cage could record the gauges.
What do I know,I'm justa tow truck driver

Who would have thought it? LOL Russ the Geek

Dave made me do it - I had to take classes from him too ====

My car is bare. But you saw what a new weather station did.
Doug

I like reading afr data, its very helpful in keeping on top on the tune during weather changes.
Once i have a car set up and both banks tuned, i really only have to read one side of the engine after that.
If its an engine i have taken to the dyno, same deal, only have to read one header tube after that.
I like looking at my data on a graph - i can see the accelerator pump hit and finish, see the high speed bleed /total fuel curve.

Guys and throwing weights in and out - i'm just tuning.

To me its also a safety issue. I don't like things going to lean at 13- 14 to 1 compression with a lot of ignition and tight clearences.

Just me i reckon.

Back in the day ( yea, i'm old) we didn't look for the Rule book to tell us what we couldn't do , we looked at it as- " cant do that, doesn't say we we cannot do this" and thats how innovation happened.
Everyone seems to complain about how NHRA keeps ruining the sport with too many rules, yet it seems people really want very limiting rules in most classes.
I simply saw the NSS rule as: You can have an AFR gauge so, one can get and use the data said gauge supplies, you just cannot use the things expressly denied and you cannot use a computer to "make changes " to the car via two way communications".

Rule has been clarified , as Boffin commented , though there does seem to be a consensus, so i will abide with the car i crew in NSS- no problem.

I understand people want to keep the "nostalgia" aspect , i really do "get it "- on the other hand, 500 inch strokers, disc brakes, msd, billet wheels, modern compound tires, cnc aluminum heads, rollerized trans etc all seem like pretty modern technology to me , so, i think its sometimes hard to determine what should be nostalgia and what isn't.

To me, reading afr is just a better way of reading plugs for carb/timing tuning just as stroking engines is a better way to get more power per weight of block or, aluminum heads a better way to get larger flow numbers.

I would like to add a practical matter however: As we see more and more pressure on Racing due to environmental issues, it would seem logical to me that we take the initiative to be as tightly/ cleanly tuned as possiible.
There is no doubt in my mind whatsoever that a tight/clean tune ius a fast tune- i have a good deal of data to prove it and staying on it all day/night does, indeed, make a difference.
Tight tunes run cleaner - thus we could say we are doing our part, staying ahead of those that would like to attack us.

Wondering if Andy and Dewayne have thoughts on emissions and tuning windows?

However, rules are rules and I abide by ruled decisions .
I assure you, i will still get enough data when/where it is legal to keep my tuning windows pretty tight- grin.

Thanks for the help guys, i can see the rule interpretation seems pretty consistent so, i have absolutely nothing to complain about.
Once again, an old guy, gone a long, long time and just having a blast catching back up.
When i left, nostalgia was sand racing- grin.

Agreed Poly, but in this case the interpretation seems pretty consistent- i will abide.

Victory NSS there is no computer port or connection of any type allowed in the car. Any way to down load information of any type outside of play back tack is not allowed.

Thanks Sport.
Yep, i got good clarity on the rule interpretation and have several Afr gauge types so i will modify my approach to meet the current rules.

Sadly, it is my belief that will eventually have to be modified if we want to continue racing well into the future as we are going to see some sort of emissions requirements at some point.
Hopefully its not anytime soon.
Near as i can figure we are already running a lot cleaner than the sport did in the past just due to better ignitions, heads and carb metering .

That's right,
No weather station
No race pack
No playback tach
No oxy sensors
No Damn laptop
No fancy multi chip programmable ignition box

Just a gas pedal, brake pedal, great driver and an old man tuning car.
REAL Super Stock Race Racers......

Question from the "street guy" peanut gallery:

If your gauge has integrated playback functionality (mine does), is that legal?

Not "compliant with the spirit of the rule" but technically legal because it is a gauge?

Or illegal because it logs some data.

Rule says wideband is OK, the rule does not say a playback A/F gauge is illegal.
I'd think we'd have to assume it is legal?