Maximum safe boost for 6.0
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Junior User
Joined: Mar 2005
Posts: 67
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From: Ogden UT
Maximum safe boost for 6.0
I removed the muffler from my truck and the cat fell off and now I am hitting about 25 pounds of boost without much effort
. So the questions is, what is a safe amount of boost for the 6.0?
I know there are alot of people who have modded their trucks and are getting some serious boost but what is safe. Is there a maximum setpoint set at the factory?
I have an Edge A2 that I mostly run on stock or 1. I bought it mostly to watch what the motor is doing. Most of the time I don't even look at the dash just at the A2 for EGT and engine stats.
. So the questions is, what is a safe amount of boost for the 6.0? I know there are alot of people who have modded their trucks and are getting some serious boost but what is safe. Is there a maximum setpoint set at the factory?
I have an Edge A2 that I mostly run on stock or 1. I bought it mostly to watch what the motor is doing. Most of the time I don't even look at the dash just at the A2 for EGT and engine stats.
Mountain Pass
Joined: Aug 2005
Posts: 155
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From: phoenix
I think the max boost that you can put to the 6.0 and be safe is the amount of boost right before you stretch your head bolts and pop you head gaskets. From what I have read there have been 3 revisions on head gaskets and one on head bolts so I think its going to depend on what revision your truck has.
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Junior User
Joined: Mar 2005
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From: Ogden UT
I bought my '07 in August, so I would imagine that it has the newest revision. I haven't checked the engine build date but might see if I can find it today, if the weather holds out.
Senior User
Joined: Sep 2006
Posts: 260
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From: Littleton, CO
Originally Posted by Odge
I removed the muffler from my truck and the cat fell off and now I am hitting about 25 pounds of boost without much effort . So the questions is, what is a safe amount of boost for the 6.0?
I know there are alot of people who have modded their trucks and are getting some serious boost but what is safe. Is there a maximum setpoint set at the factory?
I have an Edge A2 that I mostly run on stock or 1. I bought it mostly to watch what the motor is doing. Most of the time I don't even look at the dash just at the A2 for EGT and engine stats.
. So the questions is, what is a safe amount of boost for the 6.0? I know there are alot of people who have modded their trucks and are getting some serious boost but what is safe. Is there a maximum setpoint set at the factory?
I have an Edge A2 that I mostly run on stock or 1. I bought it mostly to watch what the motor is doing. Most of the time I don't even look at the dash just at the A2 for EGT and engine stats.
Senior User
Joined: May 2006
Posts: 410
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Over the weekend I had my truck in Level 7/7 merged on the freeway until 97mph. The PDA alarmed at 35PSI and the EGT's hit 1460 deg F. I never see the stock gauge hit the numbers that the PDA hits. Seems like it is just slower to respond or does it just interpret info differently. Which gauge is more accurate? Am I really hitting 35psi? poor stretch bolts...
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Junior User
Joined: Oct 2006
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Hey badbrad60 what does a 40' full throttle WW trailer wieght? and what level do you tow in? I have a 38" Next level fifth wheel that I havn't towed seen I got my tuner.
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Junior User
Joined: Mar 2005
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From: Ogden UT
Bowtie, I have my alarm set at 23 and defuel/backdown set at 25. Since the cat fell off every time it downshifts under load I get that alarm going off. I haven't tried pulling with the truck since I pulled.... umm...the cat fell off. I have noticed that my egt's are running a lot lower. Will keep you updated.
Thanks
Thanks
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Senior User
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Glamis, I haven't taken it to the scales yet, but calculated, it is about 16k loaded. I have towed in all the levels, but to avoid grenading the motor I try to keep it at 3/7, sometimes bumping it to 4.
Odge states that he has defueling at 25? If I had mine doing that (thru the PDA) I would be defueling all the time. So, my question still stands...which gauge is more accurate? Stock or PDA?
Odge states that he has defueling at 25? If I had mine doing that (thru the PDA) I would be defueling all the time. So, my question still stands...which gauge is more accurate? Stock or PDA?
Cargo Master
Joined: May 2006
Posts: 2,116
Likes: 6
From: Florida
Originally Posted by Odge
Bowtie, I have my alarm set at 23 and defuel/backdown set at 25. Since the cat fell off every time it downshifts under load I get that alarm going off. I haven't tried pulling with the truck since I pulled.... umm...the cat fell off. I have noticed that my egt's are running a lot lower. Will keep you updated.
Thanks
Thanks
so if i understand you correctly the boost never went this high until the exhaust change? or is it from the tuner? mine never hits anything higher than 25lbs by the stock gauge or my autometer. but then again i have the egr disconnected. i hear that makes a difference of the boost levels is that true? if so what is the status of your egr?
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Junior User
Joined: Mar 2005
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From: Ogden UT
This is Odge's wife and it is MY TRUCK!!! And if I have to take any more cats that fall off that truck to the vet I'm gonna kill him!!! 
Last edited by Odge; Oct 30, 2006 at 02:00 PM.
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Junior User
Joined: Mar 2005
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From: Ogden UT
Thanks guys, I think I will stick with the set points I have. They seem to be safe by everyones standards.
It really is my wifes truck, I just get to maintain it. I stayed completely out of the decision making when she picked it out. She did a heck of a job though, it is a gorgeous truck.
It really is my wifes truck, I just get to maintain it. I stayed completely out of the decision making when she picked it out. She did a heck of a job though, it is a gorgeous truck.
