what brand and from who would you recommed. Im looking for 3.42s. thanks.
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Team Owner
Joined: Aug 2003
Posts: 38,314
Likes: 35
Ken Fichtner, Fred Beans, GM Parts direct, and others would be a good start. You can get a 3.42 differential from lots of places, but these guys and others have the Getrag 3.42 diffs and for reasonable prices.
If you will be doing any drag racing then it is a good idea to upgrade the stock torque converter with a higher stall converter as well.
Be advised that PCM tuning for proper scaling from 2.73 to 3.42 gears will be required.
If you will be doing any drag racing then it is a good idea to upgrade the stock torque converter with a higher stall converter as well.
Be advised that PCM tuning for proper scaling from 2.73 to 3.42 gears will be required.
Le Mans Master
Joined: Feb 2004
Posts: 5,482
Likes: 1
From: Living the Taxation Dream Indiana
DTE has some great products at fair prices 
Here is a link http://www.dynotech-eng.com/dte_c5_diff.htm
Here is a link http://www.dynotech-eng.com/dte_c5_diff.htm
Safety Car
Joined: Jun 2004
Posts: 4,353
Likes: 22
From: Bella Vista Ca
Originally Posted by EB20003
Ken Fichtner, Fred Beans, GM Parts direct, and others would be a good start. You can get a 3.42 differential from lots of places, but these guys and others have the Getrag 3.42 diffs and for reasonable prices.
If you will be doing any drag racing then it is a good idea to upgrade the stock torque converter with a higher stall converter as well.
Be advised that PCM tuning for proper scaling from 2.73 to 3.42 gears will be required.
If you will be doing any drag racing then it is a good idea to upgrade the stock torque converter with a higher stall converter as well.
Be advised that PCM tuning for proper scaling from 2.73 to 3.42 gears will be required.
All good companies. I bought mine from http://www.tbyrnemotorsports.com/index.html Make sure you get the ZO6 rear, it is a little stronger due to shot peening. 
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