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5th Gear

 
Old 03-06-2019, 11:48 AM
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Anthony F
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Default 5th Gear

Anyone here ever use 5th gear? If so where? Iím also curious if anyone with a C6 Z06 has ever gotten to 5th gear with 4th being good to 162 mph. The only track i can think of with enough full throttle to exceed that would be Daytona.
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Old 03-06-2019, 03:02 PM
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z06801
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Front straight at Miller (UMC) 1mile, but I have to shift out of 4th at about 145 I think.
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Old 03-06-2019, 04:08 PM
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STANG KILLA SS
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i used 5th gear on the TWS front stretch (part of original oval)
C6Z with cam
at the end of the front stretch i was doing 160mph in 5th
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Old 03-06-2019, 05:17 PM
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Front straight at Roebling Road Raceway.

Just because you might be able to do 162 with your foot on the floor in 4th doesn't mean that you have to. There is no reason why you can't shift at less than maximum rpms.
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Old 03-06-2019, 05:33 PM
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STANG KILLA SS
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agreed unless i was on a hell of a lap i would short shift at 6k or 6500. no reason for 7k, especially with the big cube 427. your just risking valvetrain and burnin gas for just turnin laps at a track day.

Last edited by STANG KILLA SS; 03-06-2019 at 05:34 PM.
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Old 03-06-2019, 08:53 PM
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The standing 1.5 mile event at the Mojave Air and Space Port.............187mph, which was ok. Some vettes got to 200mph.
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Old 03-06-2019, 09:38 PM
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I second Roebling, probably back straight of Sebring too. I redline 4th at Roebling in my ZR1 with a 2.6 pulley and bolt ons.
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Old 03-06-2019, 10:57 PM
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I-8 East of Yuma...
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Old 03-07-2019, 09:11 AM
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Back straight on VIR full course. C5 Z06.

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Old 03-07-2019, 01:13 PM
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Anthony F
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Originally Posted by kflee View Post
Back straight on VIR full course. C5 Z06.

Kirk
Really, interesting. What do you top out to? Any engine mods?
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Old 03-07-2019, 01:18 PM
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Originally Posted by SIK02SS View Post
I second Roebling, probably back straight of Sebring too. I redline 4th at Roebling in my ZR1 with a 2.6 pulley and bolt ons.
Not surprised considering ZR1's have a ton of power, plus you added even more power and only need to get to 150 mph.
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Old 03-07-2019, 01:25 PM
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Originally Posted by Sox-Fan View Post
Front straight at Roebling Road Raceway.

Just because you might be able to do 162 with your foot on the floor in 4th doesn't mean that you have to. There is no reason why you can't shift at less than maximum rpms.
Yes i am aware. I'm generally talking about in an environment where the car is being pushed hard, not just simply puttering around.
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Old 03-07-2019, 02:02 PM
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Originally Posted by STANG KILLA SS View Post
i used 5th gear on the TWS front stretch (part of original oval)
C6Z with cam
at the end of the front stretch i was doing 160mph in 5th
I had to look up what TWS stood for. I then watched this video, the place looks like a lot of fun, a shame they closed.


Last edited by Anthony F; 03-07-2019 at 02:02 PM.
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Old 03-07-2019, 02:07 PM
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Originally Posted by Anthony F View Post
Yes i am aware. I'm generally talking about in an environment where the car is being pushed hard, not just simply puttering around.
I guess, if 162 in 5th instead of 4th is your idea of puttering around, then sure................
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Old 03-07-2019, 02:55 PM
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Originally Posted by Anthony F View Post
Really, interesting. What do you top out to? Any engine mods?
Yes. Ran full course last Sunday. Max speed on back straight was 154.6mph. LS6 with ported and polished 243 heads, BTR Stage 3 cam, headers, intake, and conservative tune. 416 whp, 408 wtq.

Kirk
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Old 03-07-2019, 04:35 PM
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Originally Posted by Anthony F View Post
Yes i am aware. I'm generally talking about in an environment where the car is being pushed hard, not just simply puttering around.
You have to remember that most of the time folks are talking about running on a track here they aren't talking about a single flying lap. Sometimes it's better to grab a gear than it is to run it out and wait for valve float and bounce off the rev limiter. Consistency and finishing matter more in a race than a single fast lap.
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Old 03-07-2019, 07:05 PM
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VIR Full Course. If I get a good run I might got into 5th to keep the engine for sitting at redline. My car is a tuned headers C6 GS making 420RWHP and using 200tw tires.



Last edited by truth.b; 03-09-2019 at 12:27 PM.
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Old 03-09-2019, 08:16 AM
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C7 Z06 needs 5th gear at VIR on both the front and back straights.
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Old 03-11-2019, 01:38 AM
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Pocono tri-oval needed 5th in a C6Z. 177 MPH.
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Old 03-11-2019, 02:00 AM
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Originally Posted by Racingswh View Post
Pocono tri-oval needed 5th in a C6Z. 177 MPH.
Was that at an open track day? I did not realize that one can run the tri oval..........details please?
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