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-   -   Tach Red Line 1LE (http://www.camaro5.com/forums/showthread.php?t=286248)

Southern Comfort 03-31-2013 10:08 AM

Tach Red Line 1LE
 
1 Attachment(s)
Ok, I searched around and didn't see anything addressing 1LE max rpm.
Why does my tachometer red line start at 6250 rpm? LS3 is 6600 right?
Perhaps that's how all SS tachs display.:iono:

Scott@Bjorn3D 03-31-2013 10:13 AM

You will always be moving reving up quicker than the mechanical tach will tell you. This way if you shift before the redline you will be at 6500-6600 since it can not keep up.

hotrodder9102 03-31-2013 10:20 AM

Quote:

Originally Posted by Southern Comfort (Post 6362540)
Ok, I searched around and didn't see anything addressing 1LE max rpm.
Why does my tachometer red line start at 6250 rpm? LS3 is 6600 right?
Perhaps that's how all SS tachs display.:iono:



Probably is a safehaven fthe factory so we dont overrev these engines. The only way to really tell about the true redline is put the car on the dyno. My 2002 SS had a tach redline of 5500, but after dynoing the car, we found out that it made power up to 6400. After the tune, we set the rev limiter at 6300 to keep the valvetrain safe.

Southern Comfort 03-31-2013 10:24 AM

Quote:

Originally Posted by Scott@Bjorn3D (Post 6362557)
You will always be moving reving up quicker than the mechanical tach will tell you. This way if you shift before the redline you will be at 6500-6000 since it can not keep up.

Thanks Scott. Did you mean 6500 to 6600 ?
So the LS3 cars have the same tach ?


Quote:

Originally Posted by hotrodder9102 (Post 6362586)
Probably is a safehaven fthe factory so we dont overrev these engines. The only way to really tell about the true redline is put the car on the dyno. My 2002 SS had a tach redline of 5500, but after dynoing the car, we found out that it made power up to 6400. After the tune, we set the rev limiter at 6300 to keep the valvetrain safe.

Does your LE1 tach has the same red range starting at 6250?
Thanks

hotrodder9102 03-31-2013 11:27 AM

Quote:

Originally Posted by Southern Comfort (Post 6362597)
Thanks Scott. Did you mean 6500 to 6600 ?
So the LS3 cars have the same tach ?



Does your LE1 tach has the same red range starting at 6250?
Thanks


Yep...

Michael2000 05-15-2013 03:04 PM

The Corvette tachometer with the same engine has a redline showing at 6500 rpm. Why would the Camaro be 6250? This makes no sense.

Michael

bw26ss 05-15-2013 03:07 PM

what difference does it make? It probably has a different tune. I can set my rev limiter to 7000 with my tuner, but i don't because I don't want engine problems. My car pulls hard at around 4500-5000 so i don't push it.

Michael2000 05-15-2013 04:07 PM

Quote:

Originally Posted by bw26ss (Post 6547793)
what difference does it make? It probably has a different tune. I can set my rev limiter to 7000 with my tuner, but i don't because I don't want engine problems. My car pulls hard at around 4500-5000 so i don't push it.

What do you mean "what difference does it make"? 250 more rpm above the power peak for better performance, that's what difference it makes.

If you are shifting at 5000, you are giving away a lot of performance.

Michael

1leNPP 05-15-2013 11:36 PM

GM may have the tach red line in the camaro marked starting at 6250 but as you can see in this video in setting 2:58 VIR track time the GM hot shoes was banging the gears off at 6500 RPM I think the stock rev limiter is set at around 6600 RPM.http://www.youtube.com/watch?v=eVIi5...layer_embedded

coreyaustin17 05-16-2013 12:01 AM

Quote:

Originally Posted by Michael2000 (Post 6548012)
What do you mean "what difference does it make"? 250 more rpm above the power peak for better performance, that's what difference it makes.

If you are shifting at 5000, you are giving away a lot of performance.

Michael

:smiling1::dnftt:

bw26ss 05-16-2013 12:06 AM

Quote:

Originally Posted by Michael2000 (Post 6548012)
What do you mean "what difference does it make"? 250 more rpm above the power peak for better performance, that's what difference it makes.

If you are shifting at 5000, you are giving away a lot of performance.

Michael

who cares, lol.

Scott@Bjorn3D 05-16-2013 06:51 AM

I usually shift right after 6K on the HUD. I have bounced the rev limiter once in 10,000 miles on my LS3 and man it made me feel like a fool.

Michael2000 05-16-2013 08:49 AM

Quote:

Originally Posted by 1leNPP (Post 6549811)
GM may have the tach red line in the camaro marked starting at 6250 but as you can see in this video in setting 2:58 VIR track time the GM hot shoes was banging the gears off at 6500 RPM I think the stock rev limiter is set at around 6600 RPM.http://www.youtube.com/watch?v=eVIi5...layer_embedded

Great video! Thanks. I appreciate the info.

That guy is a good driver. He clicks off shifts right at 6500 like clockwork. I wonder if they have shift lights, because it looks like the tach is blocked by the steering wheel from the driver's view (dumb design). He maxes out the G's in braking and cornering consistently, too.

It's also interesting that the digital speed readout sometimes reads lower than the analog speedometer, particularly during deceleraton.

Michael

Michael2000 05-16-2013 08:55 AM

Quote:

Originally Posted by coreyaustin17 (Post 6549872)
:smiling1::dnftt:

Quote:

Originally Posted by bw26ss (Post 6549887)
who cares, lol.


:emoticon1:

Aren't you two late for class? :lol:

Michael

Meltdownaverted 05-23-2013 11:31 PM

It is lower than a regular SS, first track day really had me struggling as I'm so used to shifting at 6500. Bounced off the rev limiter a few times.
I know most of you aren't planing these for the 1/4 mile but these were my results. About .5 better than I could ever get with my 2011 SS M6
http://img.tapatalk.com/d/13/05/24/a3e9emu2.jpg
http://img.tapatalk.com/d/13/05/24/uqy8evan.jpg


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