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Old 05-27-2020, 07:04 PM   #1
dbvettez06
 
Drives: 2001 corvette Z06. 2018 ZL1
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Top speed for a 10 auto or a 6 speed

Anyone have the data for the two vehicles. Top speed ?
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Old 05-27-2020, 07:50 PM   #2
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tops speed in 10 speed auto with 2.85 gearing is 279.86, top speed with 3.73 gearing (6 speed rear end) is 213.84

I have a chart for both rear ends and max speed in each gear (for the a10, I haven't done anything for the 6 speed), but I spent the past 10 minutes trying to post the spreadsheet, which is unreadable
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Old 05-27-2020, 07:55 PM   #3
2SS Capt
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Quote:
Originally Posted by crosive View Post
tops speed in 10 speed auto with 2.85 gearing is 279.86, top speed with 3.73 gearing (6 speed rear end) is 213.84

I have a chart for both rear ends and max speed in each gear (for the a10, I haven't done anything for the 6 speed), but I spent the past 10 minutes trying to post the spreadsheet, which is unreadable
However the 6 speed will never reach anywhere close to 213 mph due to aerodynamic drag...
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Left: My "fun" ride (455 HP). Right: My "work" ride (52,000 HP): a Gulfstream G600. One's top speed is 180 Mph, the other, 620 Mph. BOTH AWESOME to operate...
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Old 05-27-2020, 07:58 PM   #4
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However the 6 speed will never reach anywhere close to 213 mph due to aerodynamic drag...
This is true for both I think, especially the zle
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Old 05-27-2020, 08:11 PM   #5
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ive read everything from 198 to 202 w/ the standard ZL1, and I forget what it was for the ZLE, I want to say like 179 due to the aero.
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Old 05-27-2020, 08:14 PM   #6
crosive

 
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ive read everything from 198 to 202 w/ the standard ZL1, and I forget what it was for the ZLE, I want to say like 179 due to the aero.
I've read this as well. in the end, you'll be drag limited, even if you have more hp than stock. Especially on the zl1's due to more air getting into the engine bay

you could tape up all the holes and see how fast you'd go, but I bet you'd cause way more issues to the powerplant before you even get to top speed.
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Old 05-27-2020, 08:18 PM   #7
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279 mph for the Auto? Wow! Now that is fast.��
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Last edited by LT4Greg; 05-27-2020 at 08:45 PM.
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Old 05-27-2020, 08:22 PM   #8
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Quote:
Originally Posted by crosive View Post
tops speed in 10 speed auto with 2.85 gearing is 279.86, top speed with 3.73 gearing (6 speed rear end) is 213.84

I have a chart for both rear ends and max speed in each gear (for the a10, I haven't done anything for the 6 speed), but I spent the past 10 minutes trying to post the spreadsheet, which is unreadable
Quote:
Originally Posted by 2SS Capt View Post
However the 6 speed will never reach anywhere close to 213 mph due to aerodynamic drag...
Quote:
Originally Posted by LT4Greg View Post
279 mph for the Auto? Wow! Not that is fast.��
Oh geez, when I looked at that I read "179.86" which matches what I have heard for the A10 top speed of about 180...

279??? Yeah, not so much...
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After delivery: - GMP CAI, GMP Black Strut Tower Brace, MRR017 1LE Wheels, SS Armrest, Black Fuel Door, Stainless Pedals, SS Wheel Caps, GM Splash Guards, DD Smoked LED Markers, Smoked Rear Reflectors, Mishimoto Catch Can, Xpel PPF-Full Front & Rockers, 35% Tint, CeramicPro coated, RST Stainless Brake Lines, Castrol SRF, MSD Plug Wires, Mamo V3 Ported TB

Left: My "fun" ride (455 HP). Right: My "work" ride (52,000 HP): a Gulfstream G600. One's top speed is 180 Mph, the other, 620 Mph. BOTH AWESOME to operate...
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Old 05-27-2020, 08:28 PM   #9
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Quote:
Originally Posted by LT4Greg View Post
279 mph for the Auto? Wow! Not that is fast.��
I believe the a8s were something rediculous like 298
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Old 05-27-2020, 08:44 PM   #10
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Probably so crosive!��
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Old 05-27-2020, 11:08 PM   #11
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Quote:
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279 mph for the Auto? Wow! Now that is fast.��
lol, if you actually had enough power to hit redline in 10th :P
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Old 05-27-2020, 11:32 PM   #12
crosive

 
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lol, if you actually had enough power to hit redline in 10th :P
the fastest I've ever been was 210.1, me driving (and that's according to the math done afterwards, as the speedo needle was bouncing off of the odometer reset button which was ~240). that was on another level of putt buckering. I do not want to do that again, nor do I have a desire to.

but back in the day, I was only vaguely familiar with tire ratings and just the plethora of things that can go wrong at those speeds that cause you to become 7 different flavors of liquid.

honestly, as long as my car throws me back into the seat like I owe it money, I'm good.
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Old 05-27-2020, 11:34 PM   #13
Fast02Z06
 
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I hit 167 in mine in Mexico with myself and 2 passengers lol. Still had way more in it too, just ran outta road
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Old 05-27-2020, 11:34 PM   #14
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Quote:
Originally Posted by crosive View Post
the fastest I've ever been was 210.1, me driving (and that's according to the math done afterwards, as the speedo needle was bouncing off of the odometer reset button which was ~240). that was on another level of putt buckering. I do not want to do that again, nor do I have a desire to.

but back in the day, I was only vaguely familiar with tire ratings and just the plethora of things that can go wrong at those speeds that cause you to become 7 different flavors of liquid.

honestly, as long as my car throws me back into the seat like I owe it money, I'm good.
dang. I did 185 in a Huracan the other day.. it actually felt super stable and smooth. That was almost scary because I wanted to go faster. That was the fastest I've ever been. haha
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