ACR-X Photos - VIR

toomanymodz

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Why do people use photobucket? I think flickr.com is much better. No issues about 'bandwidth'. It's free and they allow 100MB of uploads per month for free. Anyhow, I can't wait to see the pics...
 

toomanymodz

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Pics are working now! Holy cow those are some nice shots. Feels like I'm there... almost. I'll have to get off my lazy butt and attend some of these.
 

SCLSSRT10

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Really nice shots, that was an incredibly fun weekend but it was HOT!!!!!. Next time I am finishing the Sunday race. The guys at ARCHER RACING found my electrial gremlin and we will be back at it at Hallett next month.

Keep the great pictures coming.

Steve
VRL#007
 

KNG SNKE

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Really nice shots, that was an incredibly fun weekend but it was HOT!!!!!. Next time I am finishing the Sunday race. The guys at ARCHER RACING found my electrial gremlin and we will be back at it at Hallett next month.

Keep the great pictures coming.

Steve
VRL#007

I remember seeing that car. Good looking car!
 

Sneaky Pete

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Lots and lots of excellent pics... thank you so much for going through all the effort to post them!

What are these guys running for tires? Are Hoosier VRL's still being used? If so, how do they compare to the others?
 

dtenney

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The Hoosier VRL is the spec tire for the red race group. The Michelin slick is the spec tire for the ACRX series. The Michelin tire is faster than either the Hoosier VRL or R6. Many racers outside the spec series use the Hoosier R6.

-David
 

Sneaky Pete

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The Hoosier VRL is the spec tire for the red race group. The Michelin slick is the spec tire for the ACRX series. The Michelin tire is faster than either the Hoosier VRL or R6. Many racers outside the spec series use the Hoosier R6.

-David
David,
Does Michelin offer 335 size tires in an 18" slick?
 

kcobean

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How did that ole boy with the green band on get out there with no helmet?

I...er...he, was out on lunchtime parade laps with a passenger also not wearing a helmet. You can't see them because they're behind us but there were a few pickups and a certain VCA Member's minivan full of kids on the track as well. :D
 

Sneaky Pete

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The Hoosier VRL is the spec tire for the red race group. The Michelin slick is the spec tire for the ACRX series. The Michelin tire is faster than either the Hoosier VRL or R6. Many racers outside the spec series use the Hoosier R6.

Yes, they use a different size designation than 335 or 345 though. They call them: 24/64-18, 27/65-18, or 27/68-18

Also they have soft, medium, and hard compounds.

-David
Looking quickly at their site, they say the first number is their tread width (in cm), the next is the diameter, then the wheel size. If this is the case, the 27 cm tread width (about 10.6") is MUCH narrower than the tread width of the 335/345 size tires (12.5"+). Is this right, or are guys running substantially narrower tires when they run the Michelin's?

I really like the R6, but the tire seems to go 'off' really quickly after only a few heat cycles.
 

dtenney

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Looking quickly at their site, they say the first number is their tread width (in cm), the next is the diameter, then the wheel size. If this is the case, the 27 cm tread width (about 10.6") is MUCH narrower than the tread width of the 335/345 size tires (12.5"+). Is this right, or are guys running substantially narrower tires when they run the Michelin's?

I really like the R6, but the tire seems to go 'off' really quickly after only a few heat cycles.

I believe the Michelin's runnning on the ACR-Xs are narrower but stickier than the Hoosiers. The compound they are running does not last as long as the R6s from what I heard at VIR.

-David
 

Dave Scott

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The Michelin slick spec tires used in the Dodge Viper Cup series are prettty much an order of magnitude grippier than the R6 or VRL spec Hoosiers, which are already outstanding tires. I have extensive experience with these Michelins from racing GT3 Cup cars, and they are the bomb. But, as Dave Tenney correctly says, they fall off much more rapidly from optimal performance than the Hoosiers do, albeit from a much higher initial level.
 

MTGTS

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Does anyone know where you can get the Dodge// stickers that under the headlights of the ACR'X's??
 

kcobean

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I bought the pictures of my car that the photographers took while we were there....here are a few good ones:

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RockerSE

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Below is an example of the laptimes from VIR... Looks like the Michelins did not drop off too badly. Check out lap 12... almost within reach of a 1:56

13:06:46.0 1 1 2:01.488 96.898
13:08:48.3 2 2 2:02.346 96.219
13:10:45.8 3 3 1:57.539 100.154
13:12:43.8 4 4 1:57.989 99.772
13:14:41.4 5 5 1:57.575 100.123
13:16:39.1 6 6 1:57.741 99.982
13:18:36.3 7 7 1:57.205 100.439
13:20:34.3 8 8 1:57.996 99.766
13:22:32.8 9 9 1:58.431 99.400
13:24:30.7 10 10 1:57.896 99.851
13:26:28.2 11 11 1:57.564 100.133
13:28:25.3 12 12 1:57.076 100.550
13:30:22.9 13 13 1:57.628 100.078
13:32:20.7 14 14 1:57.753 99.972
13:34:18.6 15 15 1:57.896 99.851
 

kcobean

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Below is an example of the laptimes from VIR... Looks like the Michelins did not drop off too badly. Check out lap 12... almost within reach of a 1:56

13:06:46.0 1 1 2:01.488 96.898
13:08:48.3 2 2 2:02.346 96.219
13:10:45.8 3 3 1:57.539 100.154
13:12:43.8 4 4 1:57.989 99.772
13:14:41.4 5 5 1:57.575 100.123
13:16:39.1 6 6 1:57.741 99.982
13:18:36.3 7 7 1:57.205 100.439
13:20:34.3 8 8 1:57.996 99.766
13:22:32.8 9 9 1:58.431 99.400
13:24:30.7 10 10 1:57.896 99.851
13:26:28.2 11 11 1:57.564 100.133
13:28:25.3 12 12 1:57.076 100.550
13:30:22.9 13 13 1:57.628 100.078
13:32:20.7 14 14 1:57.753 99.972
13:34:18.6 15 15 1:57.896 99.851


Amazing how fast they were running.
 

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