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03 ctd can,t make over 28 psi boost!!!

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Old Aug 31, 2006 | 04:58 PM
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metuante's Avatar
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03 ctd can,t make over 28 psi boost!!!

gotta update my sig but i bought the edge with attitude and for some reason i cannot make more than 28 psi boost. i did install the boost elbow and the most boost i make is 28psi. any idea's please.

I did tighten my connections and i do notice a whine from the turbo side other than the turbo itself.
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Old Aug 31, 2006 | 05:01 PM
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thats all mine does with either the juice or my bully dog. but i will fix that right away (bigger turbo)
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Old Aug 31, 2006 | 05:14 PM
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Mine had no trouble making 36 lbs with the stocker.
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Old Aug 31, 2006 | 05:20 PM
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Have you checked the defuel settings for the boost? I don't have my instructions handy but if I remember you can set the max pressures before it will defuel. Default was 36 on mine but maybe yours is set different...
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Old Aug 31, 2006 | 05:26 PM
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This may help

https://www.dieseltruckresource.com/...d.php?t=114712
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Old Aug 31, 2006 | 05:29 PM
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my 03 is the 305/555 HO motor and it has seen 38 with just the edge juice w/ attitude
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Old Aug 31, 2006 | 06:20 PM
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30 psi is the best i can get with my current set up
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Old Aug 31, 2006 | 07:19 PM
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I have hit 32lbs in my 03 during a hard run on the highway. I went all out. It usually hits around 25 or so when I get on it.....I wanna hit the highway and really drop the hammer again and see if I can get over 30.
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Old Aug 31, 2006 | 07:39 PM
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From: Fort McMurray, Alberta
Originally Posted by ZacHolley
my 03 is the 305/555 HO motor and it has seen 38 with just the edge juice w/ attitude

How did you manage that,, I have used both my bullydog and my edge and I cant hit much over 30 and it allways drops down to 28. I have checked all my settings in my attitude,,all maxed out
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Old Aug 31, 2006 | 07:45 PM
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From: The Great Black Swamp
I have just the opposite problem with my 05.
I put the juice w/attitude on it and on level 2 or higher the boost goes high enough to defuel. I have raised the pressure setting to 39lbs and now it just waits a bit longer to defuel
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Old Aug 31, 2006 | 08:21 PM
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Mine does the same thing hits 36-40
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Old Aug 31, 2006 | 10:07 PM
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Originally Posted by metuante
gotta update my sig but i bought the edge with attitude and for some reason i cannot make more than 28 psi boost. i did install the boost elbow and the most boost i make is 28psi. any idea's please.

I did tighten my connections and i do notice a whine from the turbo side other than the turbo itself.
I am hitting 39-40LBS. Maybe higher.
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Old Aug 31, 2006 | 10:33 PM
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I'm seeing 31-32 w/ no elbow mods, w/ smarty on 5 or 7. With Banks on level 6 and smarty on 1, i see 30-31 w/ a much stronger pull. I cant bring myself to turning them both up, even w/ my new tranny. The smarty is too crazy on the low end.
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Old Aug 31, 2006 | 10:36 PM
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From: Massachusetts
My stock turbo with the Banks six gun has to be in the low 40's, I can twist my 35 Lb. gauge easily past the numbers and point it straight at the floor and keep it there.
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Old Sep 1, 2006 | 06:43 AM
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From: Big Spring (now Stephenville), Tx
Those of you with the 600 series don't count. Your turbo should go to 35 easy, ours is a different story. With Quad mine goes to 31 and I think I saw a 32 once. But I also don't get on it hard very often.
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