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Drivetrain "concerns" in c6 at 650rwhp?

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Old Oct 20, 2015 | 05:49 PM
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Default Drivetrain "concerns" in c6 at 650rwhp?

As title states, what should I be worried about drive train wise in a standard 2006 c6?

6 speed, 648rwhp/597 rwtq. Only drivetrain upgrade thus far is a spec stage 3 clutch. Assuming I'll be on drag radials as well and making occasional track visits... What should I expect to be the weak link(s)?

Last edited by TheEnforcer; Oct 20, 2015 at 06:21 PM.
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Old Oct 20, 2015 | 06:03 PM
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What year?
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Old Oct 20, 2015 | 06:22 PM
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2006
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Old Oct 20, 2015 | 06:28 PM
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Okay, you're as good as you can be as far as OE. The rear end is really the weak point.

Be patient for the drag racers to chime in for more details but if you can eliminate wheel hop you might be okay. Otherwise you're probably looking at a Z06 rear end eventually.
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Old Oct 20, 2015 | 06:51 PM
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Do 06's come with the stronger rear vs. 05's? I can't remember when they changed it.
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Old Oct 20, 2015 | 06:59 PM
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Originally Posted by schpenxel
Do 06's come with the stronger rear vs. 05's? I can't remember when they changed it.
Yes, '06 was the change.
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Old Oct 20, 2015 | 10:50 PM
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Originally Posted by RicK T
Yes, '06 was the change.
the manuals changed in 07 too different tranny
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Old Oct 20, 2015 | 11:08 PM
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Originally Posted by CMY SIX
the manuals changed in 07 too different tranny
Tremec TR6060 came in 2008 which is a stronger manual transmission than previous years.

Have the differentials changed since 2006?
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Old Oct 20, 2015 | 11:15 PM
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t-56 can handle power, I'd grab 09+ Z06 axles, and for the rear, as suggested, stay away from wheel hop. Anything can brake. it's the law of averages. It also depends on how you drive the car, especially at the track. If your clutch doesn't like to be slipped off the line, I'd suggest a bias ply and not a drag radial. A bias will spin off the launch then bite relieving stress on some components. Drag radials need to grab and bite off the line no slipping and that usually is very hard to pull off with a clutch that bites hard. You are more likely to wheel hop with a drag radial unless you slip you're clutch and be smooth of the line. As another said, your rear gear would be my no.1 concern
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Old Oct 21, 2015 | 07:39 AM
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Originally Posted by rpmextra
t-56 can handle power, I'd grab 09+ Z06 axles, and for the rear, as suggested, stay away from wheel hop. Anything can brake. it's the law of averages. It also depends on how you drive the car, especially at the track. If your clutch doesn't like to be slipped off the line, I'd suggest a bias ply and not a drag radial. A bias will spin off the launch then bite relieving stress on some components. Drag radials need to grab and bite off the line no slipping and that usually is very hard to pull off with a clutch that bites hard. You are more likely to wheel hop with a drag radial unless you slip you're clutch and be smooth of the line. As another said, your rear gear would be my no.1 concern
Some folks have also used the C5 Z06 half shafts, because they are reported to be pretty strong too.

Then others would prefer the axle to be the weak link, meaning, it would theoretically break before grenading the rear end/transmission parts.... The main thing is to avoid wheel hop.
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Old Oct 21, 2015 | 12:00 PM
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One thing that hasnt been mentioned is the output shaft. I've seen a few snapped or twisted when pushed with DRs. My concern would be the rear end with that clutch that appears to be a single with ceramic pads. I highly doubt that the clutch is going to allow any slip. With that in mind the bias ply that rpmextra recommended is the way to go. I've been 1.5760ft on MT DRs but I use a McLeod RXT twin clutch that likes to be slipped.
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Old Oct 22, 2015 | 10:33 AM
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Zero concerns with that year and hp, but you WILL need a new clutch. The stock LS2 clutch cannot support that hp level very long, just not enough clamping force.
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Old Oct 22, 2015 | 05:05 PM
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stated above I have a Spec Stage 3
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Old Oct 25, 2015 | 05:14 PM
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You've had some good advice so far. The rear end is going to be the weak point. A little clutch slip or tire spin is your friend. I had a DTE rear in my 05 and I was pleased with it. If you want to be on the safe side you can have them beef up your diff or upgrade to Z06 parts.
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Old Oct 26, 2015 | 06:40 AM
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I've replaced the output shafts in the diff and installed a trans brace. Next up will be C5 axles. The output shafts and axles seem to be the most common failures.
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Old Oct 26, 2015 | 12:47 PM
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Rear end is the weak point, and axles.

A full z06 swap IMO is the best way to go. Swap in a z06 tranny/rear and enjoy.
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