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Old 05-22-2012, 09:59 AM   #29
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Originally Posted by BMR Sales View Post
Thanks for all the updates guys, keep them coming! We hope to have some updated 60ft times soon for our shop car.
You know, I was thinking... you could always have a different category for shop cars...

Just saying.

(Not that me being bumped up to #1 in Drag Radials has ANYTHING to do with it. )

Padre
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Old 05-22-2012, 10:07 AM   #30
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60 ft/time: 1.683

Tire Brand/Type: Hoosier Slicks & M&H Front Skinnies

Tire Size: 28X10X17

Suspension Upgrades: BMR Rear Adjustable Lower Control Arms, BMR Rear Toe Rods, Pedders Xa Coilovers, Pfadt Solid Rear Subframe Mounts, Eibach Front and Rear Sway Bars

Drivetrain Upgrades: DSS 9" Rear Kit, LPE MAX-CX Twin Disk Clutch

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Old 05-23-2012, 12:34 PM   #31
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I'm very suprised that the majority of you use 18" wheels and such large drag radials.
Do you guys have any concerns over weight (rotating mass) and over-tiring the car ?

Still, really nice 60' times being posted.
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Old 05-23-2012, 12:51 PM   #32
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I'm very suprised that the majority of you use 18" wheels and such large drag radials.
Do you guys have any concerns over weight (rotating mass) and over-tiring the car ?

Still, really nice 60' times being posted.
Only one guy I know of went with 26" tires, and he hasn't seemed to see much improvement. 20" rims are definitely slower.

I saved 12lbs per corner with my 18" setup, and it's got great sidewall for my application.

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Old 05-23-2012, 01:36 PM   #33
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Originally Posted by Padre View Post
Only one guy I know of went with 26" tires, and he hasn't seemed to see much improvement. 20" rims are definitely slower.

I saved 12lbs per corner with my 18" setup, and it's got great sidewall for my application.

Padre
Just curious....have you tried a 17" wheel/drag radial setup ?
The 26" tire setup will shorten up the rear gear a bit, so as long as you hook I can't see where that wouldn't help the 60' a bit, correct ?
17" drag radials can weight 5+ pounds less than 18 or larger tires.

While the weight transfer/bias is different from a Camaro to a Corvette, along with the power delivery , I would think the same general principles apply......Limit rotational weight to maximize acceleration.
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Old 05-23-2012, 05:08 PM   #34
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Originally Posted by FNBADAZ06 View Post
Just curious....have you tried a 17" wheel/drag radial setup ?
The 26" tire setup will shorten up the rear gear a bit, so as long as you hook I can't see where that wouldn't help the 60' a bit, correct ?
17" drag radials can weight 5+ pounds less than 18 or larger tires.

While the weight transfer/bias is different from a Camaro to a Corvette, along with the power delivery , I would think the same general principles apply......Limit rotational weight to maximize acceleration.
I did run 26" 17's with 275 MT's for years on my GTO and cut 1.500 all-motor.

With the SS, 26" tires would have me shifting into 5th gear at the traps. I have an A6 with 3.45 gears from an M6 Camaro - stock A6's have 3.27 gears.

The gearing advantage you may gain with smaller tires are more than made up for by the 6L80E's 4.03/2.36/1.53/1.15/0.85/0.67 gears.

In my opinion, the 4.03 is great for tall tires, which allow you to keep the top end performance.

As I said, we have one member here who has 26" tires, specifically for that reason. It's an interesting theory, but we haven't seen any definitive results.

Also, it's harder to find lightweight, inexpensive 17's that fit without modifying the brakes. 18" TSW's are the wheel of choice because they are meet all three requirements: lightweight, cheap, fit without modification. And my 1.535 tells the only story that matters to me.

IOW, I don't want to be shelling out $3k for wheels alone.

Padre
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NEW HOTNESS: '16 2SS A8 NPP MRC. Bone Stock, 1/8th: 8.051 @ 89.44, 1.919
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Old 05-23-2012, 05:36 PM   #35
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Originally Posted by Padre View Post
I did run 26" 17's with 275 MT's for years on my GTO and cut 1.500 all-motor.

With the SS, 26" tires would have me shifting into 5th gear at the traps. I have an A6 with 3.45 gears from an M6 Camaro - stock A6's have 3.27 gears.

The gearing advantage you may gain with smaller tires are more than made up for by the 6L80E's 4.03/2.36/1.53/1.15/0.85/0.67 gears.

In my opinion, the 4.03 is great for tall tires, which allow you to keep the top end performance.

As I said, we have one member here who has 26" tires, specifically for that reason. It's an interesting theory, but we haven't seen any definitive results.

Also, it's harder to find lightweight, inexpensive 17's that fit without modifying the brakes. 18" TSW's are the wheel of choice because they are meet all three requirements: lightweight, cheap, fit without modification. And my 1.535 tells the only story that matters to me.

IOW, I don't want to be shelling out $3k for wheels alone.

Padre
Ah...gotcha. didn't realize you had different rear gear already and the short 4.03 1st gear. I wonder if C5 Z06 Corvette wheels would fit on the back.....17x9.5 front's to be exact. Inexpensive and as light as they come.
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Old 05-27-2012, 09:43 AM   #36
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Category: Street Tires
60 ft/time:
1.908
Tire Brand/Type: Pirelli P-Zeros (Stock)
Tire Size: 275/40/ZR20 (Stock)
Suspension Upgrades: Eibach Springs and Sway bars
Drivetrain Upgrades: SLP Wheels, otherwise Stock from Convertor back
Automatic or Manual transmission: Automatic (Stock)
Rear Gear Ratio: 3.27 (Stock)
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Old 06-06-2012, 09:44 AM   #37
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60 ft/time: 1.616
Tire Brand/Type: Hoosier Slicks
Tire Size: 28x10x17
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Old 06-06-2012, 11:21 AM   #38
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60ft. with Street tires

Here is my run from last fall with street tires
60 ft/time: 1.720
Tire Brand/Type: Continental ExtremeContact DWS (cheaper than stock)
Tire Size: 315/35/20
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Automatic or Manual transmission: A6 6l80e
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Old 06-06-2012, 11:32 AM   #39
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I went 1.94, all stock, A6 trans, stock Pirellis:

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12.06@113 1.70 | + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune
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Old 06-09-2012, 10:20 AM   #40
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If the list works the way I think it does then I should be #3 not #4. Sorry I don't want to come off as a jerk but it's just a lil V6 and all the big boys with all the mods I'm sure will knock me off the list.
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1/4 Mile 11.841 at 113.98mph
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Old 06-09-2012, 10:45 AM   #41
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60 ft/time: 1.923

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Tire Size: 275x40-20

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Old 06-09-2012, 02:46 PM   #42
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If the list works the way I think it does then I should be #3 not #4. Sorry I don't want to come off as a jerk but it's just a lil V6 and all the big boys with all the mods I'm sure will knock me off the list.
Agreed. Credit where credit's due!
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