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4.10:1 Gears Installed in My Automatic GT!

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Old 03-20-2009, 07:14 AM
  #21  
topbliss
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thats a great combo. congrats..
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Old 03-20-2009, 07:28 AM
  #22  
06elnr
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that will be my next mod... thanks for the info!
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Old 03-20-2009, 07:51 AM
  #23  
1morepart
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4:10's where my favorite mod
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Old 03-20-2009, 08:06 AM
  #24  
grampa_stang
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Since you have an auto...you need a new tune written by Doug for the 4.10's. It's mandatory. I only mention this cuz you didn't...so i'm just throwing it out there for anyone else who wants to do a gear swap in the auto.

Last edited by grampa_stang; 03-20-2009 at 08:17 AM.
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Old 03-20-2009, 10:11 AM
  #25  
TAMPAGT07
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Originally Posted by grampa_stang View Post
Since you have an auto...you need a new tune written by Doug for the 4.10's. It's mandatory. I only mention this cuz you didn't...so i'm just throwing it out there for anyone else who wants to do a gear swap in the auto.
I take it this goes for the 3:73's also? I thought all you had to do was change the SCT programmer to 3:73's?
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Old 03-20-2009, 10:15 AM
  #26  
russje
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Originally Posted by 1morepart View Post
4:10's where my favorite mod
+1, I definitely second that. I'm in a manual, but 4.10s make the car feel much more right to me. Around here the fastest you can get on the highway is mostly 55 or 65 or 70 in some rare places. I've never felt the 4.10's were 2 high up in RPMs on the highway. I still enjoy dropping it into 4th and being right in the fat part of the power band.
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Old 03-20-2009, 10:17 AM
  #27  
mikeysGT
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you can change all of that from your tuner if the tune is unlocked for you to make changes.
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Old 03-20-2009, 10:20 AM
  #28  
Riptide
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I've got 3.55 right now and cruise a lot around town at 40-45mph in 4th gear. I'm guessing with 4.10 I will probably do the same thing. The car will just run a few hundred rpm higher. No big deal. If anything it'll sound better that way.

Waiting for Mishri to get his done. I want to see if there is any gear whine. If it's not bad then I might consider getting mine done by the same shop.
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Old 03-20-2009, 10:22 AM
  #29  
SirKnightTG
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With Doug's tunes you NEED to get him to modify your tune. It has to do with how differently he sets things up than a lot of other tuners.
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Old 03-20-2009, 10:27 AM
  #30  
mikeysGT
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aren't his tunes locked so you can't adjust parameters before loading the tune? i had his tunes a long time ago when i first got my car but forgot how he had them saved.
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