Duramax Diesels Forum Truck of the Week
  #1  
Old 12-16-2017, 12:25 PM
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Default 5 speed to 6 speed conversion.

I will be pulling my transmission in the near future for a refresh as the current build has around 100k on it and was looking at doing the conversion at the same time. I saw suncoast has a valve body and tuning package for $2300, are there any other more cost effective options?

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Old 12-16-2017, 06:46 PM
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Yes. Hold out a few more months and there will be another addition. If not, guy at SoCal has one I would run
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Old 12-16-2017, 10:09 PM
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That's good news
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Old 12-17-2017, 01:23 PM
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Quote:
Originally Posted by Chevy1925 View Post
guy at SoCal has one I would run
been run his for about 4yrs now,,love it,reduces the engine noise on the highway by a good amount.
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Old 12-17-2017, 01:24 PM
gmc502 gmc502 is offline
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Originally Posted by Chevy1925 View Post
Yes. Hold out a few more months and there will be another addition.
can you spill the beans on who may have something.
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2002 GMC 2500HD, ECSB, 4WD, LB7,300k miles and still truckin
new style gm exhaust manifold, banks big head wastegate, PPE boost valve, banks air intake,high idle switch in cruise control, stock but not for long
EFI live tuned byMe now,dps5 switch,EGT probe and autometer boost sensor,SoCal 6spd conversion
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Old 12-19-2017, 05:40 PM
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been run his for about 4yrs now,,love it,reduces the engine noise on the highway by a good amount.
That's my main reason for wanting it. The drone a 80 drives me nuts.

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Old 12-19-2017, 05:42 PM
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Quote:
Originally Posted by Chevy1925 View Post
Yes. Hold out a few more months and there will be another addition. If not, guy at SoCal has one I would run
Can you PM me more info? I would be happy to be a beta tester, I have 10 years experience as a tech and build diesel transmissions almost weekly.


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Old 12-20-2017, 09:39 AM
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http://blog.calibratedpower.com/blog...needs-6th-gear

should be released by years end. no im not affiliated with them, just have good ears
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Quote:
Originally Posted by JoshH View Post
Mike L is my role model. I want to be like him when I grow up.
James

02 LL7 2500HD CC/LB dmax/alli "The Limo"

BIG THANKS TO: Mike L, Steve, Trent, Guy, Dan, Ruben, Josh H, Scott, Brian and everyone else who has put a hand in to help me.

best time to date: 12.39

motor died/bent rods = 3/11/11
back from the dead 7:04pm 4/9/2012

Limo is back in the garage, now driving a built chevy tracker
Tailgate Crew Member #4
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  #9  
Old 12-20-2017, 01:58 PM
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Quote:
Originally Posted by Chevy1925 View Post
http://blog.calibratedpower.com/blog...needs-6th-gear

should be released by years end. no im not affiliated with them, just have good ears
Looks like they're using a 6 speed valve body in theres vs the 04-05 modified with the 6th gear tube like the other style uses.
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Old 12-20-2017, 02:04 PM
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I wouldnt base what they sell soley on the pic
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Quote:
Originally Posted by JoshH View Post
Mike L is my role model. I want to be like him when I grow up.
James

02 LL7 2500HD CC/LB dmax/alli "The Limo"

BIG THANKS TO: Mike L, Steve, Trent, Guy, Dan, Ruben, Josh H, Scott, Brian and everyone else who has put a hand in to help me.

best time to date: 12.39

motor died/bent rods = 3/11/11
back from the dead 7:04pm 4/9/2012

Limo is back in the garage, now driving a built chevy tracker
Tailgate Crew Member #4
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  #11  
Old 12-20-2017, 05:31 PM
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Waiting for Mikes take on it
That’s literally the only thing I don’t like about my 05’ is not having that double overdrive
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2005 2500 CC/SB "LLY" LTZ
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Old 12-20-2017, 05:37 PM
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Quote:
Originally Posted by Hambone View Post
Waiting for Mikes take on it
Thatís literally the only thing I donít like about my 05í is not having that double overdrive
I know all about it but can't talk about it yet. The young genius that did this is a friend. Some of the stuff he does is amazing.
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Old 12-20-2017, 05:47 PM
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Quote:
Originally Posted by Mike L. View Post
I know all about it but can't talk about it yet. The young genius that did this is a friend. Some of the stuff he does is amazing.
DuramaxTuner?
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The guy who built it isn't in hiding but no one has been able to contact him.
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  #14  
Old 12-20-2017, 06:54 PM
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Is it going to be a more cost effective option?
Before I had to drive like 200k before I saw a return in savings with the other kits and that was back under the Obama full prices lol
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2017 2500 CC/LB "L5P" WT

2005 2500 CC/SB "LLY" LTZ
Typical mods for Longevity
awaiting stuff to go BooM then replace with more go fast parts!

And a few other retired Duramax's
06 360k aka Hog truck
07 320k aka Shop truck
07 340k Flatbed spare welding rig
Reply With Quote
  #15  
Old 12-20-2017, 07:13 PM
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I never understood, why gm or Allison never made a kit for this....

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