Boost numbers?
Lead Driver
Joined: Nov 2007
Posts: 5,578
Likes: 1
Snakedoc:
Your tuner is fooling your map sensor... The AeroForce gauge is reading boost from the map sensor... You are not actually only getting 13psi it just thinks that is what you are getting so the truck dumps more fuel to make more power...
Your tuner is fooling your map sensor... The AeroForce gauge is reading boost from the map sensor... You are not actually only getting 13psi it just thinks that is what you are getting so the truck dumps more fuel to make more power...
Posting Guru
Joined: Apr 2009
Posts: 2,447
Likes: 1
From: Northern Idaho
E99 Turbo with a old Superchip in it that came with the truck when I bought it, wastegate disabled and I see a peak of 24/25lbs as it flutters between the two. On average with a load and pulling a hill I'll see somewhere around 15lbs of boost unless I hit it WOT then the boost climbs, lvl ground at about 65 I'm just about 10lbs. With someone breaking wind in front of my I'll see 10 or less.
Normal driving on the hwy I see between 3 and 6. With a truck in front of me it's 2 or less.
Normal driving on the hwy I see between 3 and 6. With a truck in front of me it's 2 or less.
Posting Guru
Joined: Apr 2009
Posts: 2,447
Likes: 1
From: Northern Idaho
hahahaha! you guys are regular comedians! 
Seriously though you goofs!
you know what I'm talking about.
However, if someone was "breaking wind" in front of me maybe I could put the methane to use
.... Then again.. 
Seriously though you goofs!
you know what I'm talking about.However, if someone was "breaking wind" in front of me maybe I could put the methane to use
.... Then again..
Posting Guru
Joined: Jan 2007
Posts: 2,364
Likes: 3
From: Gilbert Az.
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Postmaster
Joined: Jan 2009
Posts: 4,006
Likes: 1
From: AL, Reform
no boost fooler, will pulling i dont get to 2400rpms the egts would be 1500 with the SC so i keep them lower with lower rps around 1900 but only get 13 lbs.
Postmaster
Joined: Jul 2006
Posts: 4,993
Likes: 2
From: Bend, OR
FYI... The higher your RPM's the EASIER it is on the truck. Lugging causes smoke, high EGT's and more wear and tear.
It is NOTHING to pull for hours at 2700RPM's. Little hard on the pocket book MPG wise, but when in the hills, down shift and let her spin.
This is me pulling my trailer home from AZ a few months ago... Somewhere in NV...
MVI 0022 - YouTube
It is NOTHING to pull for hours at 2700RPM's. Little hard on the pocket book MPG wise, but when in the hills, down shift and let her spin.
This is me pulling my trailer home from AZ a few months ago... Somewhere in NV...
MVI 0022 - YouTube
Post Fiend
Joined: Sep 2003
Posts: 6,096
Likes: 27
From: Mesa AZ
I couldn't agree more. Seems like these engines love to pull at 2500-2700 all day long. Whenever I start a decent climb I downshift to get the revs up and the truck does the rest. EGT's are down, temps are in check and the engine doesn't seem to mind at all. I'm pretty sure it could do that all day long if I asked it to.
Hotshot
Joined: Dec 2006
Posts: 14,069
Likes: 17
From: Melbourne, Ky
I installed an Edge Insight and have never seen anything past 14lbs of boost. In fact, when accelerating, the boost hits 14lbs, then drops off. Changed MAP sensor and unplugged the waste gate. No difference. What I did, thanks to the advice from the guy I bought the Insight from, was change the monitor to read IPR percentage and the ICP sensor. What happens in my case is that while the boost goes up, ICP pressure drops off while the IPR percentage continues to go up. He said that based off those numbers, I am either loosing oil pressure from the injector O-rings, a bad HPOP, or the HPOP is running out of oil, or the IPR is messed up. He believes it's the injector O-rings. He will, when time allows, pressurize the heads HPO and see if they hold pressure or bleed off.