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Old 05-08-2011, 09:08 AM
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powermax owners

Ok I have an 03 6.0 with 84k miles. Running the edge evilution programmer. Just got done changing my turbo out for a powermax, I have some questions, I noticed I need to be at a higher rpm for turbo to kick in than stock, is that normal? Truck runs great, but lacks that initial acceleration I had with stock turbo. Cruising speed around 15-18 hundred rpm boost is low around 4-6 psi, is that normal? It doesn't really start pushing high pressure (over 20) till I'm pushing 2500 rpm.

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Old 05-08-2011, 09:12 AM
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the things that i have heard about the power-max is that you need better injectors or the turbo does not respond as good.
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Old 05-08-2011, 09:43 AM
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The truck runs great, of course new injectors would make it run or act better, but everywhere I have heard the powermax was fine on stick sticks. I'm not complaining about the turbo just curious if my performance is normal for stock sticks. I actually think it is running more efficiently than the stock one and thats why its acting like it is, should improve my mileage.
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Old 05-08-2011, 09:47 AM
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you need to get a decent programmer on their with some custom tunes like a sct
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Old 05-08-2011, 09:58 AM
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Quote:
Originally Posted by kingranch89 View Post
you need to get a decent programmer on their with some custom tunes like a sct
I can do custom tunes with the evolution, it programs everything, it isn't just a plug and go chip.
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Old 05-08-2011, 10:08 AM
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it doesnt tune that truck half as well as a SCT but if you know more then me just keep that evolution on their, it will be a night an day difference if you get some custom tunes though i promise you that
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Old 05-08-2011, 10:30 AM
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Quote:
Originally Posted by kingranch89 View Post
it doesnt tune that truck half as well as a SCT but if you know more then me just keep that evolution on their, it will be a night an day difference if you get some custom tunes though i promise you that
Ok, thanks ill look into it.

anyone else wanna chim in on if these are normal readings for what I am running?
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Old 05-08-2011, 11:23 AM
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Normal readings, but you need custom tunes to be written for the larger turbo. You're gonna have a buttload of turbo laguntil you get some SCT tunes written for the PowerMax.
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Old 05-08-2011, 11:48 AM
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Bigger turbo, same injectors = more turbo lag
SCT with custom tunes to spool her up sooner = less turbo lag
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Old 05-08-2011, 01:20 PM
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Quote:
Originally Posted by the06wildebeast View Post
Bigger turbo, same injectors = more turbo lag
SCT with custom tunes to spool her up sooner = less turbo lag
makes sense. if and when i change injectors, what would be recommended?

i really dont want to have to mess with changing fuel pumps and all that to accommidate larger injectors?

are there larger injectors i can use and not have to change anything else?
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