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3.42 Install in 00 Vert

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Old Oct 23, 2004 | 08:48 PM
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Default 3.42 Install in 00 Vert

I am swapping the differential in my 00 Vert from a 2.73 to a 3.42. It is an A4 car. Do you guys think I should invest in a hardened output shaft while I have the differential out or is this really necessary?
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Old Oct 23, 2004 | 08:52 PM
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how much excess HP are you running ?

And also; are you going to a high stall TC too ?
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Old Oct 23, 2004 | 08:53 PM
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If you plan on drag racing often then its worth doing. If you are just going to do crusing with some spirited driving on occasion IMHO I wouldn't.
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Old Oct 23, 2004 | 08:54 PM
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I put 3.42's and a 2800 stall in and the car became fun to drive.
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Old Oct 23, 2004 | 09:51 PM
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2000 coupe: went from 2.73 to 3.42: did hardened shaft: no extra charge for labor, just part cost- should have done tqc as well as I am about to do that now: try to get an idea of where you want to go with mods so that you can cut down on labor
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Old Oct 24, 2004 | 03:09 PM
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It depends on your HP goals at the end...You can always install one later if mod fever hits you too hard!
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Old Oct 24, 2004 | 03:11 PM
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I would, it's an ounce of prevention and will give you piece of mind if nothing else. My motor is stock, running 3.73 gear with the hardened shaft.
Bob
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Old Oct 24, 2004 | 03:20 PM
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I have wondered this too. If you have the hardened output shaft does this move you to the next weakest link?

Say the other output shaft or the transmission's output shaft??

Last edited by '06 Quicksilver Z06; Oct 24, 2004 at 06:35 PM.
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Old Oct 24, 2004 | 05:34 PM
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I know what you mean. Seems the stock output shaft operates a "fuseable link". If you eliminate it's ability to give... then something else takes over the task as the fuseable link.

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Old Oct 24, 2004 | 05:39 PM
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Originally Posted by Mike Mercury
I know what you mean. Seems the stock output shaft operates a "fuseable link". If you eliminate it's ability to give... then something else takes over the task as the fuseable link.

Gears/diff next!
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