Towing Upgrades
Laughing Gas
Joined: May 2007
Posts: 793
Likes: 29
Even if an intercooler does add a touch more delay from when the throttle depresses to when the turbo gets in its sweet spot, so what? It is not like we are talking about split-second life-and-death situations
Besides, if the PCM wants to command a gear which keeps the turbo below its threshold, just override and manually downshift.Agree with Hit Man that torque converter lock-up behavior is something to review as it can generate a lot of heat. If not already part of the data scan, adding trans fluid temp to the display will help with power management. Perhaps Mark K will chime-in and give us a nice lesson on whether it is a good idea to minimize TCC slippage in this transmission and in what gears.
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Mountain Pass
Joined: Jun 2018
Posts: 152
Likes: 32
Does the E4OD lockup in second gear with stock programming? I know it is hard on the input shaft, but a 300M shaft is super cheap for them.
If not, I wonder if your EOT snd trans temps were very high due to converter slippage. The stock cooler is quite pathetic on these and all that heat from the trans is being dumped into the coolant along with the oil cooler.
Most guys seem to run a 6.0 PSD cooler and I think some do 1/2" lines also from a 4R100. Hopefully they can chime in for more data on that for you. That probably will not help EGTs but if fluid temps drop that would be nice.
I have only done valve body upgrades on a 4R100 so I am not too much help with what all is needed on this platform. But I do know a low stall makes a world of difference from my 6.4 days.
If not, I wonder if your EOT snd trans temps were very high due to converter slippage. The stock cooler is quite pathetic on these and all that heat from the trans is being dumped into the coolant along with the oil cooler.
Most guys seem to run a 6.0 PSD cooler and I think some do 1/2" lines also from a 4R100. Hopefully they can chime in for more data on that for you. That probably will not help EGTs but if fluid temps drop that would be nice.
I have only done valve body upgrades on a 4R100 so I am not too much help with what all is needed on this platform. But I do know a low stall makes a world of difference from my 6.4 days.
Turbo lag is like the Boogey Man: people fear it for no good reason.
Even if an intercooler does add a touch more delay from when the throttle depresses to when the turbo gets in its sweet spot, so what? It is not like we are talking about split-second life-and-death situations Besides, if the PCM wants to command a gear which keeps the turbo below its threshold, just override and manually downshift.
Agree with Hit Man that torque converter lock-up behavior is something to review as it can generate a lot of heat. If not already part of the data scan, adding trans fluid temp to the display will help with power management. Perhaps Mark K will chime-in and give us a nice lesson on whether it is a good idea to minimize TCC slippage in this transmission and in what gears.
Even if an intercooler does add a touch more delay from when the throttle depresses to when the turbo gets in its sweet spot, so what? It is not like we are talking about split-second life-and-death situations
Besides, if the PCM wants to command a gear which keeps the turbo below its threshold, just override and manually downshift.Agree with Hit Man that torque converter lock-up behavior is something to review as it can generate a lot of heat. If not already part of the data scan, adding trans fluid temp to the display will help with power management. Perhaps Mark K will chime-in and give us a nice lesson on whether it is a good idea to minimize TCC slippage in this transmission and in what gears.
Laughing Gas
Joined: May 2007
Posts: 793
Likes: 29
The smarter individuals will look at the whole system and realize that there are tentacles when adding just one 'little' thing.
So, don't follow the path of people looking to make their truck into something other than a truck. Drive the truck like a truck, build the truck like a truck, and it will perform just like a truck
Thread Starter
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Mountain Pass
Joined: Jun 2018
Posts: 152
Likes: 32
Muh Huh... Somebody changes just *one* component of a system, does nothing toward balancing the system to accommodate for this change, and blames that component for unexpected results. Shocker! The Internet is full of stories of what *not* to do from people whom think they know what they are doing
The smarter individuals will look at the whole system and realize that there are tentacles when adding just one 'little' thing.
So, don't follow the path of people looking to make their truck into something other than a truck. Drive the truck like a truck, build the truck like a truck, and it will perform just like a truck
The smarter individuals will look at the whole system and realize that there are tentacles when adding just one 'little' thing.
So, don't follow the path of people looking to make their truck into something other than a truck. Drive the truck like a truck, build the truck like a truck, and it will perform just like a truck
Mountain Pass
Joined: Feb 2021
Posts: 200
Likes: 36
From: NorCal
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Lead Driver
Joined: Sep 2002
Posts: 9,554
Likes: 2,034
From: North Texas
I have the 1.0 on a TP38 (stock snail). Still on stock turbine wheel as the KC was not available when I rebuilt mine. I do have a billet compressor wheel from SP Turbooost which works fine.
Down in Texas near sea level, my boost threshold is 1300-1400rpm. So it works quite nice.
Down in Texas near sea level, my boost threshold is 1300-1400rpm. So it works quite nice.
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Mountain Pass
Joined: Jun 2018
Posts: 152
Likes: 32
So this is a good starting point? https://kcturbos.com/products/obs-su...gn=sag_organic
Also does anyone know if a Wicked Wheel is worth the $$? Seems like it since it's balanced aluminum.
Also does anyone know if a Wicked Wheel is worth the $$? Seems like it since it's balanced aluminum.
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Mountain Pass
Joined: Jun 2018
Posts: 152
Likes: 32
Ok a quick update: used the truck to drive the kiddos to school this morning. On my way home, I noticed the 99% of the time my boost was at 0psi. Thinking I may have a boost leak, I stomped on it and go the boost up to 20psi (highest I have ever seen it). Does this seem normal? I could only get about 13psi pulling my 13k sled and only about 1-2 towing on flat ground but 20psi winding it out? Just want to make sure I am not missing anything.
Hotshot
Joined: Dec 2012
Posts: 11,278
Likes: 1,658
From: Las Cruces New Mexico
Ben (97-PSD) gave you a great list of proven mods.
Just by adding the 160/0 injectors you will notice a increase in power before even installing a custom tune on there.
One thing I didn't see you mention is what gears and what size of tire you running?
Just by adding the 160/0 injectors you will notice a increase in power before even installing a custom tune on there.
One thing I didn't see you mention is what gears and what size of tire you running?