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C7 3:90 & 4:10 Gears

 
Old 02-12-2019, 11:47 PM
  #221  
Russbruns
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Originally Posted by Roadrogue View Post
What's the approximate cost of this? I'm not racing just hoping to add some thrust. And I seldom use 6 or 7th gear.
It's in the thread... around 2k.
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Old 02-13-2019, 08:49 AM
  #222  
Pumba
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Please contact Jeremy at RPM Transmissions - (800) 406-1109, x 201 for pricing.

Last edited by Pumba; 02-16-2019 at 10:00 AM.
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Old 02-14-2019, 02:15 AM
  #223  
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Originally Posted by Roadrogue View Post
What's the approximate cost of this? I'm not racing just hoping to add some thrust. And I seldom use 6 or 7th gear.
Got a quote from a dealer mechanic friend of mine. If using new GM parts.. a manual 3.42 diff with install would come out to about $3300 installed. They will also have to use their dealer tool(forgot name) to reconfigure the ELSD with the calibration number for the new rear diff so it will operate as designed.
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