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

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Old 09-01-2006, 07:17 AM
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I have an 03 305HP, and My gauge stops at 23psi, and will not go any higher, on occasion, If I hit it hard, it will jump to 25, but quickly drop back to 23.

Is there something I can do to get more out of it, I just thought the Banks 6 Gun was keeping things in check. I don't like it, but it is what it is until I get my SMARTY in.
Old 09-01-2006, 07:20 AM
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Originally Posted by HappyGA
I have an 03 305HP, and My gauge stops at 23psi, and will not go any higher, on occasion, If I hit it hard, it will jump to 25, but quickly drop back to 23.

Is there something I can do to get more out of it, I just thought the Banks 6 Gun was keeping things in check. I don't like it, but it is what it is until I get my SMARTY in.
Don't know if the Six Gun has a boost fooler but did you install a boost elbow?

MikeyB
Old 09-01-2006, 09:33 AM
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This is true about the 600/610 engines. That's another reason my chipped 03 can't beat a mildly chipped 04.5+
Old 09-01-2006, 09:55 AM
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Originally Posted by MikeyB
Don't know if the Six Gun has a boost fooler but did you install a boost elbow?

MikeyB
Banks 6 gun was one the truck when I bought it.
Old 09-01-2006, 10:08 AM
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03 design boost

According to TDR issue 51 magazine the 03 HO boost spec is 26 psi and the SO is 23 psi. Maybe your wastegate is limiting your max boost. Just a thought.

L8r,...............dogger
Old 09-01-2006, 10:59 AM
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so then as it sounds the only option is to change the waste gate to make more psi. any mods besides just replacing it though? and yes i've turned my settings up to 42 psi just to see!!!
Old 09-01-2006, 11:35 AM
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Don't Know

Originally Posted by metuante
so then as it sounds the only option is to change the waste gate to make more psi. any mods besides just replacing it though? and yes i've turned my settings up to 42 psi just to see!!!
What kind of gauge are you measuring your boost pressure with? I am running a Autometer mechanical and with the stock huffer and the Quad race module set to the highest level I was able to sustain 32 at WOT at 70+ mph on my 03 HO CTD.

L8r,.....dogger

Last edited by dogger; 09-01-2006 at 11:37 AM. Reason: additional info
Old 09-01-2006, 03:22 PM
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just the attitude monitor
Old 09-01-2006, 06:46 PM
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Originally Posted by morkable
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

i dunno but i know if its on extreme level and i'm goin like 75 it will jump to at LEAST 35lb's pretty much instantly ill try to take a pic after i fix my overheating issue
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