Thinking about doing this......what ya think?
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Fleet Mechanic
Joined: Jun 2006
Posts: 1,589
Likes: 20
Thinking about doing this......what ya think?
I'm thinking about bypassing the IC. Why? Because I believe it contibutes to the turbo lag. It takes energy to push the air through the 7ft to 8ft of IC piping and the IC itself. That energy loads the turbine thus loading the compressor. I believe reducing the turbine load will reduce or eliminate the T lag. With my ZOODAD mod and Jobe intake, the inlet air is cooler then with the OEM air box. Using a 2.5" to 3" hose reducer (turbo outlet is 2.5") and HD flex hose, the air path would be reduced to approximately 2ft to 3ft and that could negate the efficiency of the IC. I'm going to take my OEM elbow, have it cut and the inlet reoriented toward the turbo. That would make a straight shot to the intake. Also, the rubber hose would not transfer heat like the metal pipe does.
Does anyone know of any sensors that are mounted to the IC? I have not seen any.
Any thoughts before I proceed? If it works, I may be in the 6.0L IC Bypass/Elimination Kit business.
DSMMH
Does anyone know of any sensors that are mounted to the IC? I have not seen any.
Any thoughts before I proceed? If it works, I may be in the 6.0L IC Bypass/Elimination Kit business.
DSMMH
Posting Guru
Joined: Mar 2006
Posts: 1,798
Likes: 2
From: SoCal, SD CO. East
Originally Posted by DSMMH
I'm thinking about bypassing the IC. Why? Because I believe it contibutes to the turbo lag. It takes energy to push the air through the 7ft to 8ft of IC piping and the IC itself. That energy loads the turbine thus loading the compressor. I believe reducing the turbine load will reduce or eliminate the T lag. With my ZOODAD mod and Jobe intake, the inlet air is cooler then with the OEM air box. Using a 2.5" to 3" hose reducer (turbo outlet is 2.5") and HD flex hose, the air path would be reduced to approximately 2ft to 3ft and that could negate the efficiency of the IC. I'm going to take my OEM elbow, have it cut and the inlet reoriented toward the turbo. That would make a straight shot to the intake. Also, the rubber hose would not transfer heat like the metal pipe does.
Does anyone know of any sensors that are mounted to the IC? I have not seen any.
Any thoughts before I proceed? If it works, I may be in the 6.0L IC Bypass/Elimination Kit business.
DSMMH
Does anyone know of any sensors that are mounted to the IC? I have not seen any.
Any thoughts before I proceed? If it works, I may be in the 6.0L IC Bypass/Elimination Kit business.
DSMMH
Posting Guru
Joined: Jan 2007
Posts: 2,364
Likes: 3
From: Gilbert Az.
Me think u CRAZY!!!!!!!! when you compress that "cooler than factory airbox" air you are imparting an another 150+ degrees to it! that is what the intercooler is there for! you will not be helping it at all. I would recomend getting in a early pre psd truck & see how you like the performance, because that is what you will get! p.s. have you ever grabbed a hold of the outlet pipe on your'e air compressor? it's the same function increase in pressure = increase in heat, please for the children don't do it! thats my $00.02!
Elder User
Joined: Jul 2005
Posts: 716
Likes: 0
From: memphis
Intercooler allows more power to be made safely.
I'm no turbo expert, but in the motorcycle race world
the nitrous guys don't want the turbo guys to have Intercoolers.
The 7.3 guy were upgrading to the bigger 6.0 intercooler.
The 6.0 guys are upgrading to Big banks coolers.
See the trend?
Cooler air makes more power!
You may build it but they won't come.
I'm no turbo expert, but in the motorcycle race world
the nitrous guys don't want the turbo guys to have Intercoolers.
The 7.3 guy were upgrading to the bigger 6.0 intercooler.
The 6.0 guys are upgrading to Big banks coolers.
See the trend?
Cooler air makes more power!
You may build it but they won't come.
Junior User
Joined: Jan 2007
Posts: 95
Likes: 0
When you remove the intercooler then you will need to reduce the amount of PSI your putting into the motor. Compressing air causes the air to get hotter. So you can only compress so much now because you took the device to cool the air down to compensate for higher compression temperature.
Posting Guru
Joined: Mar 2006
Posts: 1,798
Likes: 2
From: SoCal, SD CO. East
Originally Posted by WishIhada7.3
30psi with no IC is gonna cause you way more harm than a little lag will...trust me..i wouldn't consider this without water/meth inj....have you tried the after market intake elbow?? suppose to help with the lag.
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Senior User
Joined: Apr 2006
Posts: 264
Likes: 0
From: Texas
I've heard that you'll be parting out a 04 Excursion. I'm interested in your seats and radio, PM me when they are available. 
Seriously: you've probably figured out that this is not a good idea...
Keep trying who knows you may figure out the next zoodad
Seriously: you've probably figured out that this is not a good idea...
Keep trying who knows you may figure out the next zoodad
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Former Vendor
Joined: Mar 2004
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From: Hendersonville, NC
Removing the intercooler WILL reduce some turbo lag, but not as much as you are thinking it would. It will raise your manifold charge temps by 200 degrees or more. While the only real detriment would be to EGT (no, it will not actually damage the turbocharger or anything else) and a rather serious reduction in air density; the marginal loss of lag will not be worth the annoyance. Intercooler removal on trucks is usually only done for competition tractor pulling; where they use full-time water injection in leui.
Posting Guru
Joined: Mar 2006
Posts: 1,798
Likes: 2
From: SoCal, SD CO. East
Originally Posted by PSD 60L Fx4
Removing the intercooler WILL reduce some turbo lag, but not as much as you are thinking it would. It will raise your manifold charge temps by 200 degrees or more. While the only real detriment would be to EGT (no, it will not actually damage the turbocharger or anything else) and a rather serious reduction in air density; the marginal loss of lag will not be worth the annoyance. Intercooler removal on trucks is usually only done for competition tractor pulling; where they use full-time water injection in leui.
