AR Generation 2 Tires

[jcorsico]

Did anyone run the Gen 2 tires at Sebring? How were they?

Thanks!
Jon

[Paul Schneider]

Finding the right setup is still a work-in-progress. But, we're back to running negative camber and the tires seem to last a really long time without any falloff.

[mazda17]

No graining. Wear is excellent. Cycle to cycle drop off is minimal. Speed and feel is improved.

[jcorsico]

Finding the right setup is still a work-in-progress. But, we're back to running negative camber and the tires seem to last a really long time without any falloff.

Encouraging. Has anyone weighed the Gen 2 tires?

[mazda17]

They weight about the same as Hoosiers, 14+- pounds less than the first generation ARs.

[jcorsico]

They weight about the same as Hoosiers, 14+- pounds less than the first generation ARs.

Yes!

[stradale425]

This all sounds great.

[goncalv3]

They weight about the same as Hoosiers, 14+- pounds less than the first generation ARs.

Will the class weight change again?

[jcorsico]

Will the class weight change again?

Please no! There is no reason to penalize the larger drivers merely so the smaller drivers can have the convenience of carrying less ballast.

[Jeff Read]

Per Robey, He is not changing the minimum weight.

[jcorsico]

Is there any way to tell the Gen 2 tires apart from the Gen 1 tires? Are there different markings?

Thanks!
Jon

[jcorsico]

Is there any way to tell the Gen 2 tires apart from the Gen 1 tires? Are there different markings?

Thanks!
Jon

So no way to tell the old tires apart from the new tires?

[Peter Olivola]

You mean, aside from weight?

So no way to tell the old tires apart from the new tires?

[Rob Futcher]

I guess that as a newcomer, I'd like to know how to make sure I am getting the Gen 2 tire that I paid for.......

Anyone? What do the new tires weigh (F &R)??

[jcorsico]

I guess that as a newcomer, I'd like to know how to make sure I am getting the Gen 2 tire that I paid for.......

Anyone? What do the new tires weigh (F &R)??

Primus? AR? What do the new tires weigh?

Or do they have different markings than the old tires?

[pschneider]

I just received a new set today. The Fronts are 14.5# and Rears 16#, unmounted.

[Robey Clark]

To Order AR FE Tires call Brad Baytos at Primus Racing Parts: 727-804-7417 or 843-314-3893. Email: sales@primusracingparts.com http://gpfourinfo.com/

I believe Brad will be providing Trackside service at Atlanta and CoTA.

2017 GCR - 391-392
9.1.1. Formula Enterprises (FE) Specifications

13. Tires
Tires must run in sets of 4 as stated below:

DRY
American Racer
Front: P/N: JE3C3, 22.0 X 8.0-13S
Rear: P/N: JE3MA, 22.5 X 10.0-13S

WET
American Racer
Front: P/N: JWWC3: 22.0 X 8.0-13
Rear: P/N: JWWMA, 22.5 X 10.0-13

a. A competitor shall start the race on at least 3 tires used in a qualifying
session for the race as identified by markings made on the
tires by a race official. It is the responsibility of the competitor to
ensure that his or her tires are appropriately marked prior to (e.g. on
the false grid), during, or immediately after (e.g. as the car leaves
the track) a qualifying session.

b. For races with more than one qualifying session, a competitor
shall start the race on any 3 or 4 marked tires from any qualifying
session for the race.

c. If a competitor chooses to start the race on any more than one
tires that was not used in a qualifying session for the race and not
appropriately marked, the competitor shall forfeit his or her grid
position and start from the back of the grid. This forfeiture of grid
position shall not apply if all qualifying sessions for the race were
run under rain or wet conditions.

d. A complete set of four (4) rain or wet track tires may be used at the
competitor’s discretion for any race. Rain tires may be in new or
used condition and require no special marking if used as a complete
set of four.

[jcorsico]

I just received a new set today. The Fronts are 14.5# and Rears 16#, unmounted.

Thank you!

[jcorsico]

All - I spoke with AR. In addition to the weight, you can also tell the Gen 1 tires apart from the Gen 2 tires based on their sidewall markings.

The Gen 1 tires had a large "825" marked on the sidewall. The Gen 2 tires do not have this marking.

Jon

[goncalv3]

No graining. Wear is excellent. Cycle to cycle drop off is minimal. Speed and feel is improved.

- How many heat cycles are you guys getting out of them?
- Has anyone quantified the drop off?
- When do they hit peak performance? (i.e. as stickers, as they wear, right before they cord?)

Looking forward to trying them out and sharing results. Just curious to what the guys lucky enough to be racing already are finding.

Thanks!