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Old 05-18-2011, 06:54 PM   #1
1985airborne
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ALL U THAT ARE S/C'd????REDLINE???

Stock Tachometer Rev's to 6200 Redline, but when you are S/C'd where is your redline?

Whats the recommended shift when you are S/C'd?

Does a aftermarket company make a replacement tachmeter showing a redline?

Just curious...
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Old 05-18-2011, 06:56 PM   #2
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We are shifting at 7k. But you prob don't want to go that high. Keep it low and be safe. The little extra in peak power isn't worth any damage.
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Old 05-18-2011, 07:08 PM   #3
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Depends on Valvetrain/Cam combo actually, and Rod bolts...

Most Turbo's, Roots, Twin Screws, and especially Centrificals keep making power well past 6000 rpms, however most of my customers take it to 6200-6500.

I don't like wrapping rpms close to 7,000 all the time, no need when your making a ton of power.
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Old 05-18-2011, 07:14 PM   #4
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Mine falls off at 6800, I have my shift light set at 6600rpm
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Old 05-18-2011, 07:20 PM   #5
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i shift at 6300 keeping it safe to last a long time...
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Old 05-18-2011, 07:36 PM   #6
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On stock internal and stock valvetrain, don't go over 6000. You can, but your engine life will go down... Remember, the stock internal were designed for N/A and not boost. Keep it at civil level.
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Old 05-18-2011, 07:40 PM   #7
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Mine holds power to the 6800 redline.. at track I try to shit as close to that as possible
on the street I shift at 6200 to 6500rpms..
Id like to rev higher to hold 3rd a lil longer but id rather be safe being it probably only gain hundreths of a sec at track..
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Old 05-18-2011, 09:40 PM   #8
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Mine builds power right to 7000 rpm but we set the shift points at 6800 rpm.
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Old 05-18-2011, 09:56 PM   #9
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One of mine was still making at 7200. Ran it there for a few runs until it lifted a head sucked water and cracked the block. Now we moved it back down to 7k with better gaskets....
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Old 05-18-2011, 10:26 PM   #10
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Quote:
Originally Posted by GQ4Life View Post
at track I try to shit as close to that as possible
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Old 05-18-2011, 11:06 PM   #11
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Old 05-19-2011, 12:52 AM   #12
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Quote:
Originally Posted by 1985airborne View Post
Stock Tachometer Rev's to 6200 Redline, but when you are S/C'd where is your redline?

Whats the recommended shift when you are S/C'd?

Does a aftermarket company make a replacement tachmeter showing a redline?

Just curious...
The stock LS3 hits the rev limiter at 6600 rpm's not 6200. I have my shift light set to 6300 rpm's, but it revs so fast that by the time I react to it, it is around 6500-6600 before I actually shift.
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Old 05-19-2011, 01:07 AM   #13
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Depends on the blower. A twin-screw or any other PD blower you will benefit from the low-end and won't necessarily have to rev it out to take advantage of the blower. With a centri, you want to rev a little more, but I wouldn't take it up to more than 6600-6700 for safety. . .
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