Transgo HD2 shift kit-newbie questions not answered yet
03-20-2006, 09:12 AM
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Transgo HD2 shift kit-newbie questions not answered yet
I have read the 10 pages worth of threads for the shift kit here as well as all the other site forums.
I have a 2005 Sierra 1500 2wd rc/lb w/4l60e and stock torque converter.
I'm looking for a little bit of performance and extended life from the transgo shift kit.
With the HD2 kit do you have to custom tune the pcm to get rid of torque mgmt?
Do you have to go deeper into the transmission than the valve body to install all the parts in the HD2 kit?
Has anyone honed the valve body before putting it back in so it's perfectly flat?
What about using a different valve body core to do all the mods to?
I was thinking of just installing the HD2 kit using the smallest drilled out holes without the corvette servo and replace the plastic covers and parts inside the valve body. I'll get the corvette servo at the same time but not install it right away. I'd plan on working my way up from soft to firm. Should I even be considering this right now? Should I wait until it's out of warranty?
What about the sonnex sure-cure kit for the 4l60e?
TIA
I have a 2005 Sierra 1500 2wd rc/lb w/4l60e and stock torque converter.
I'm looking for a little bit of performance and extended life from the transgo shift kit.
With the HD2 kit do you have to custom tune the pcm to get rid of torque mgmt?
Do you have to go deeper into the transmission than the valve body to install all the parts in the HD2 kit?
Has anyone honed the valve body before putting it back in so it's perfectly flat?
What about using a different valve body core to do all the mods to?
I was thinking of just installing the HD2 kit using the smallest drilled out holes without the corvette servo and replace the plastic covers and parts inside the valve body. I'll get the corvette servo at the same time but not install it right away. I'd plan on working my way up from soft to firm. Should I even be considering this right now? Should I wait until it's out of warranty?
What about the sonnex sure-cure kit for the 4l60e?
TIA
03-20-2006, 07:12 PM
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You still need a tune to get rid of TM.
The valvebody is as deep as you go.
I have run a flat file over the valvebody before.
I think it's a good idea to work your way up to a firm shift. Some of which can be done with tuning.
I would do it as soon as you can I don't really see a warranty issue with a shift kit a dealer tech would really have to know his stuff to be able to tell you changed a few springs.
The valvebody is as deep as you go.
I have run a flat file over the valvebody before.
I think it's a good idea to work your way up to a firm shift. Some of which can be done with tuning.
I would do it as soon as you can I don't really see a warranty issue with a shift kit a dealer tech would really have to know his stuff to be able to tell you changed a few springs.
03-20-2006, 08:04 PM
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Originally Posted by torx
can I still use the transgo hd2 shift kit if I don't get a tune or get rid of TM?
03-20-2006, 09:26 PM
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Originally Posted by Colby 04
yes, but the shift kit will exagerate TM....it shifts firm, but TM is even more apparent than before the shift kit. I'm speaking from experience on this...
03-21-2006, 03:09 PM
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Originally Posted by torx
So it wouldn't be worth doing without a pcm tune?
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03-21-2006, 03:32 PM
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Originally Posted by Colby 04
TM is, from my understanding, only in the picture at higher RPM. So you can do the shift kit without a tune and it's a nice improvement even just cruising around. But when you lay into it, it's a little weird when it shifts.
