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Stock c6z06 and c6zr1ís mph in the half mile.

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Old 07-22-2018, 01:05 PM
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Mr. Gizmo
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Default Stock c6z06 and c6zr1ís mph in the half mile.

what are owners typically running in the 1/2 mile for a car that is mostly stock. Exception would be minor bolt ons, air filter , cai and or cat back exhaust with no tune.

Coming from a c6z06 now into a C7z06 I have a debate going on over in that forum

a couple of guys with relatively stock c7z06ís are running 153 to 155mph in the 1/2 mile.

I was thinking the c6z06ís were more and the c6zr1ís were quite a bit more. And both cars stock would walk a stock C7z06 big time in the mile or magnum 1.5 mile as azdave posted 196 mph in the magnum 1.5 with a stock c6z
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Old 07-22-2018, 01:26 PM
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Navy Blue 210
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1.5 Mile Magnum is Dead unfortunately.
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Old 07-22-2018, 02:10 PM
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Originally Posted by Navy Blue 210 View Post
1.5 Mile Magnum is Dead unfortunately.
yes heard it was discontinued due to a motorcyclist fatality
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Old 07-22-2018, 03:48 PM
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jayyyw
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I don't follow 1/2mi stuff so much, but 153-155 for a C7Z seems a little fast. You'd think their aero and gearing would hurt badly in a 1/2mi run.
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Old 07-22-2018, 08:46 PM
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From what I’ve seen, stock C7Zs run 148-149 mph in the half mile.
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Old 07-22-2018, 09:12 PM
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Innovate
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Originally Posted by Patriot Six View Post
From what Iíve seen, stock C7Zs run 148-149 mph in the half mile.
This.

Not sure on stock C6Z's. Most HCIE cars are 160 or so.
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Old 07-22-2018, 09:50 PM
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I ran 154mph in 1/2mi last October. 08 Z06, makes 550whp
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Old 07-22-2018, 09:59 PM
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Gary '09 C6
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I think my best 1/2 mi. time at the Texas mile was 146, but a better driver can likely hit 148--151 (stock C6 ZR1).
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Old 07-23-2018, 09:35 AM
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Stock and modified 1/2 mile times are listed in a sticky thread at the top of this forum for ZR1's. When bone stock I ran 154.0 1/2 split and 182.6 mile at the Texas Mile.
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Old 07-23-2018, 11:01 PM
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My stock zr1 plus headers and cold air, no tune did 156mph in the half. Did 170mph after heads/cam/porting/pulleys/etc.
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Old 07-24-2018, 10:06 AM
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AzDave47
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My C6Z stock ran the 1/2 mile at Gila Bend in the low 150s. (800'elev.)

Now with HCI and 591/525 at Mojave I did 160/187/201.2 in the 1/2, 1, and 1 1/2 mile. DA was 4600' on those runs with tail wind.

The 196 stock was with a very strong tail wind. Without helping wind stock in the 1 mile was 173. I'd estimate stock in the Magnum without wind would have been around 188.

The notice we got from MKM that put on the Magnum was that the FAA sent a letter to the Mojave airport strongly discouraging shutdown of the runway to aircraft. The airport probably receives federal funding, so the airport no longer would host events. The Magnum did have a motorcycle fatality in each of the last two events held.
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Old 07-27-2018, 04:21 PM
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At Rantoul, IL a few years ago I ran 160-161 in my stock ZR1 with an intake and cat-back. I think the ECU balances out fuel trims and kills almost any gains of the intake, but the exhaust is probably worth about 10. I also have an expansion tank so another gallon of coolant, and I cooled down between runs so my IAT2's never got above 110. Weather was nice, maybe 70 degrees. I also ran a completely stock 1LZ C7Z06 auto who ran consistent 155-156 speeds and hot lapped, although he cooled down before running me. At this track on that day I think a truly and completely stock C6ZR1 would run maybe 158. Most races were done from a roll between 40-60mph and I did some digs which were well before the first cones. All runs never varied more than 1mph even with a 20 mph difference in start speed.
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Old 07-28-2018, 05:30 AM
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My stock 2011 Z07 did 149 at the Houston 1/2 Mile, 169 at the Texas Mile, both are run from a dig. I now have modified it and plan to run Shift S3CTOR in August in Indiana (1/2 Mile event). My car has consistently been doing 144-145 in Pocono (1/3 Mile) Roll Racing since the mods (553/501). I expect it to be 153-154 at the 1/2 Mile. When I ran the Texas Mile most stock C7Z06's were running 147-149 1/2 mile speeds. I also recall seeing a few posts by C7 Z06's running half miles in the high 140's.
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Old 07-28-2018, 12:37 PM
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Originally Posted by Too-Fast View Post
My stock 2011 Z07 did 149 at the Houston 1/2 Mile, 169 at the Texas Mile, both are run from a dig. I now have modified it and plan to run Shift S3CTOR in August in Indiana (1/2 Mile event). My car has consistently been doing 144-145 in Pocono (1/3 Mile) Roll Racing since the mods (553/501). I expect it to be 153-154 at the 1/2 Mile. When I ran the Texas Mile most stock C7Z06's were running 147-149 1/2 mile speeds. I also recall seeing a few posts by C7 Z06's running half miles in the high 140's.
it looks like the c6z06 stock and c7z06 stock are about the same in the 1/2 mile or mile. With the edge going to the c6z06.

I will say seat of the pants my c7z06 feels like it falls short of my stock 2009 c6z06
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Old 07-28-2018, 07:54 PM
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Originally Posted by Mr. Gizmo View Post


it looks like the c6z06 stock and c7z06 stock are about the same in the 1/2 mile or mile. With the edge going to the c6z06.

I will say seat of the pants my c7z06 feels like it falls short of my stock 2009 c6z06
The C7Z06 has the 0-60 time but as it gets above 140 it starts to decline, top speed is nowhere near the C6 Z06 and when I was at The Mile every one of the C7 Z06ís had 20lb bags of ice on the supercharger between runs, in the staging area.
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Old 07-30-2018, 01:59 AM
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I ran against a stock C7Z on 4 passes in the half. He hit 148mph on all 4.
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Old 07-30-2018, 02:39 PM
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Surprising. I'm assuming the aero and weight are holding the C7Z back compared to the C6Z?
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Old 07-30-2018, 03:42 PM
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Originally Posted by Torch FRC View Post
Surprising. I'm assuming the aero and weight are holding the C7Z back compared to the C6Z?
Mainly the aero and heat soak. At the Texas mile when the C7Z's first showed up almost all of them has their wicker bills high and ran low 160's in the mile. When they lowered or removed them they would run 8-10 MPH faster. The C7ZR1 that ran this spring ran 183 with the high wing and 190 without.

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Old 07-31-2018, 01:22 AM
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Originally Posted by Torch FRC View Post
Surprising. I'm assuming the aero and weight are holding the C7Z back compared to the C6Z?
i believe the Tiny supercharger chokes the c7z06. The car peters out. Power to weight ratio itís superior on paper to the c6z. But real world c7z06ís stock are real dogs
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Old 07-31-2018, 09:43 AM
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Originally Posted by Mr. Gizmo View Post


i believe the Tiny supercharger chokes the c7z06. The car peters out. Power to weight ratio itís superior on paper to the c6z. But real world c7z06ís stock are real dogs
Aero drag hurts high speed. CD of C6Z is ~0.33 and C7Z something like 0.38 for Stage 3. Factory top speed rating of C6Z was 198. For C7Z with Stage 1, 2 and 3 Aero was 196, 190, 186.
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