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Old 03-31-2013, 10:24 AM   #4
Southern Comfort
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Drives: 2010 ABM/LT/RS & z71
Join Date: Sep 2011
Location: North Georgia
Posts: 2,351
Originally Posted by Scott@Bjorn3D View Post
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 ?

Originally Posted by hotrodder9102 View Post
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?

Last edited by Southern Comfort; 03-31-2013 at 10:55 AM.
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