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Old 09-29-2011, 11:01 AM
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Boost pressure

Hi. I recently switched from an Edge programmer with monitor to my TC programmer that I have now. With the Edge programmer, it would read 20 psi of boost when hitting it hard. Now that I am using the TC I can only get 15 psi. I am using the Edge plugged into the odb port to read the boost pressure for all readings. Why is my psi lower and how can I turn it up. I notice the wastegate has a threaded rod on it and I have read that it can be adjusted to increase up to 25 psi on the stock turbo. I have also read to remove the red hose or unhook the power for the wastegate. What should I do and does anyone have pictures showing my dumba$$ how to do it?

On a different note, with the TC programmer when driving at highway speeds, when I press the brake pedal in seems to unlock or lock my TC? Any ideas? It didn't do it with the Edge. My truck is all messed up.

Please help!
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Old 09-29-2011, 11:06 AM
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I don't have an answer for you on this one. I can tell you that, if I'm pushing my (virtually stock) 2000 F250 hard, I can get up to 25 psi. I've had my intercooler tube boots blow off several times at that pressure so I try not to get it up that high. I'm not incredibly diesel fluent so I can't offer much more than that. My point with this- at 15 psi, it seems like you might have other issues. Maybe you have a boot that worked its way loose or have holes somewhere in the system? Good luck!

Last edited by Mustangman6799; 10-02-2011 at 03:26 PM.
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Old 09-29-2011, 11:11 AM
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2000 F250, Automatic, 4" Banks Monster exhaust with power elbow, EBPV delete, AIH Delete, Pyro, boost and Trans gauges, DP tuner, 3.73 Limited Slip, LT275/75R18, Big A55 air filter, 5000 watt power inverter.
In that case, my truck is stock stock. But thanks for the help, I will try to see if I have a leaker.
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Old 09-30-2011, 07:03 AM
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First of all generic tunes SUCK!!! Plain and simple. My guess is the problem isn't with your turbo/truck it is with the equipment you are using to monitor it. If you want accurate boost reading you won't get it from the OBD port on a 2001. Run a line to a real boost gauge from your Mapline or AIH location and then you will have accurate numbers. Stock is 15 to 17 , a decent performance tune should give 22-25, anything above 25 for extended periods is taking the life of the turbo and cutting it's time down.
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Old 09-30-2011, 07:15 AM
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Quote:
Originally Posted by Mustangman6799 View Post
I don't have an answer for you on this one. I can tell you that, if I'm pushing my (virtually stock) 2000 F250 hard, I can get up to 25 psi. I've had my up pipe boots blow off several times at that pressure so I try not to get it up that high. I'm not incredibly diesel fluent so I can't offer much more than that. My point with this- at 15 psi, it seems like you might have other issues. Maybe you have a boot that worked its way loose or have holes somewhere in the system? Good luck!
I would love to see what an "Up-pipe boot" blown off looks like, must have been pushing some major exhaust pressures to break the crush washers on the metal up pipes. just playing I know you meant intercooler pipes
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Old 09-30-2011, 07:23 AM
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First of all generic tunes SUCK!!! Plain and simple. My guess is the problem isn't with your turbo/truck it is with the equipment you are using to monitor it. If you want accurate boost reading you won't get it from the OBD port on a 2001. Run a line to a real boost gauge from your Mapline or AIH location and then you will have accurate numbers. Stock is 15 to 17 , a decent performance tune should give 22-25, anything above 25 for extended periods is taking the life of the turbo and cutting it's time down.
I understand that I may not get an accurate reading from the ODB port, but it should still be the same no matter which programmer I am using right? Where do you suggest I run an actual boost gauge from? I was reading about the AIH yesterday, how guys took it out and plugged it with a Dodge drain plug and drilled it for a boost line. Is that the best place?

Thanks for the help.
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Old 09-30-2011, 07:27 AM
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Originally Posted by Keanan View Post
I understand that I may not get an accurate reading from the ODB port, but it should still be the same no matter which programmer I am using right? Where do you suggest I run an actual boost gauge from? I was reading about the AIH yesterday, how guys took it out and plugged it with a Dodge drain plug and drilled it for a boost line. Is that the best place?

Thanks for the help.
Yes, that way it is all reversable and you don't have to drill into your x pipe. You could do the dodge drain plug, or buy one from either riffraff or I think strictly sells one that is already pre-tapped ready to accept your 1/8 npt boost line adapter.
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Old 09-30-2011, 07:29 AM
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I have never even heard of a tc programer?
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Old 09-30-2011, 07:31 AM
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like this Riffraff Diesel: RDP AIH Tapped Fitting
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Old 09-30-2011, 07:33 AM
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or http://http://shop.strictlydiesel.com/store.php/products/AIH_Delete_Plug
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boost psi, converter, red hose, wastegate

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