Boost PSI range? LMM 08
I been watchin my boost psi on my dash hawk, and i think i found the hangnail in the 08 MPG..... under full load with a 30000lbs load going up a 6% incline i only see a max of 20psi boost and this is with a 125hp tune installed, also keeping my egt around 1300deg. I rember on the dodge 5.9 it was ez to get 30psi. Im no rocket sicentest, but seems to me that it should be around 30-35?
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Originally Posted by madmanwithmouse
(Post 270638)
I been watchin my boost psi on my dash hawk, and i think i found the hangnail in the 08 MPG..... under full load with a 30000lbs load going up a 6% incline i only see a max of 20psi boost and this is with a 125hp tune installed, also keeping my egt around 1300deg. I rember on the dodge 5.9 it was ez to get 30psi. Im no rocket sicentest, but seems to me that it should be around 30-35?
It all depends on tuning, but 20 seems a bit low. You might want to try a mechanical to see how accurate the dash hawk is. I think you'll find you are closer to 30.:U: |
You might want to try a mechanical to see how accurate the dash hawk is. I think you'll find you are closer to 30. is there a spot somewhere tapped for boost? |
I would have guessed around 25.
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yeah, the boost is electonicly controlled by what programming it has in there. you can call them and ask them what they set it to
even with my lb7 i dont even get close to 35 psi. them turbos are a bit bigger than the stock dodge ones |
You should be around 25-28 psi, and deoending what tune you are running not much over 30-32.
Tyler |
hummm, well the highest ive ever seen it at was 28psi, but I had to shut down due to egts very soon afterwards.
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seems too low for being tuned.
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I'm pushing 31psi on a slightly modified (EFI Live) quadzilla 50hp tune under hard accelleration. I'm thinking your gauge is off as well. These trucks hit 30-32 pretty consistently when tuned, anything over that is pushing limits of the stock turbo.
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