Mallett owners or those with V8/AR5 - Page 2 - Pontiac Solstice Forum
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post #16 of 25 (permalink) Old 07-21-2016, 01:29 PM
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Thanks for that information JohnWR. I will check with my dealer and see if I can order one as soon as I get the smog and registration done.
Do not get the G-80! get a Quaife: Quaife Limited Slip Diff LSD GM Sky Pontiac Solstice cts V6 Opel GT w Bearing | eBay
Details here: Quaife Limited Slip Differential

The Quaife is much stronger than the GM G80.

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post #17 of 25 (permalink) Old 07-21-2016, 01:38 PM
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I have never seen a failure in the actual differential mechanism, so to say the quaife is much stronger is a fallacy. It's probably more effective, depending on the intended use of the car, but it isn't necessarily stronger.
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post #18 of 25 (permalink) Old 07-21-2016, 02:48 PM
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I have never seen a failure in the actual differential mechanism, so to say the quaife is much stronger is a fallacy. It's probably more effective, depending on the intended use of the car, but it isn't necessarily stronger.
Saturn Sky Forums: Saturn Sky Forum - View Single Post - What is the true potential of the Redline?


https://www.solsticeforum.com/forum/1624178-post1.html

I saw some pics of one recently but today I couldn't find them.

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post #19 of 25 (permalink) Old 07-21-2016, 03:42 PM
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I have read of axle failures. And read of differential failures in non-modified cars. But its news to me to see your post Yogi.

Thanks for keeping us informed.

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post #20 of 25 (permalink) Old 07-21-2016, 03:50 PM
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I have read of axle failures. And read of differential failures in non-modified cars. But its news to me to see your post Yogi.

Thanks for keeping us informed.
You're quite welcome, Rob. I wish that I could've found the more recent photos.

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post #21 of 25 (permalink) Old 07-22-2016, 03:45 PM
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Sorry, I should have used the term "carrier." The carrier is the piece that the ring gear bolts to, this is the Quaife part you're referring to. The parts that Travis (blackbird) and others have are case failures. This happens because the torsional force on the pinion and the ring gear causes the pinion gear to try to push toward the front of the car. The case is weak in the "snout" and the pinion puts so much pressure on that portion that it eventually breaks the case.

This could happen for a number of reasons, my guess would be the pinion trying to climb the ring gear, which could be alleviated a couple ways, but is an issue from the factory, as evidenced by the noisiness of the 06 diffs. Different backlash would help this a little bit.

The reason the CTS differential units appear "stronger" is because of the lower gear ratios. There is much less stress in a 3.23 or 3.42 gear than there is a 3.73 or a 3.91. Less torque means less torsional pressure to push the pinion out.

Hope that makes sense. This is why GMTech made the brace that he made, it holds the front of the case onto the rear so the torsional pressure isn't as stressful on the case.

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post #22 of 25 (permalink) Old 11-23-2016, 02:13 PM
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Looks Like I will also be looking for a 3.23 LSD Carrier soon, but I will have to see how I like the driving experience this spring.

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post #23 of 25 (permalink) Old 10-29-2018, 05:57 PM
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I am curious about the flywheel, pilot bushing and clutch assembly to match up a 4.8 o5.3 etc...to the stock AR-5. I have read many posts and searched quite a bit and still cannot find a good source for information. I just want to have everything ready when I start my swap.
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post #24 of 25 (permalink) Old 10-29-2018, 05:58 PM
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Also would like information on bellhousing or conversion ideas.
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post #25 of 25 (permalink) Old 10-30-2018, 06:38 AM
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Also would like information on bellhousing or conversion ideas.
FWIW, there's a "Kappa Swap" group on FaceBook, the focus is V8 swaps. It's a closed group so you'll have to join to ask questions or make comments.

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