Cummins 2005 ISL low power AGAIN!
What we thought was a sticking exhaust brake on our MH is now a, They don't know. The exhaust brake checked out good and functioning properly. $515.67 later and Cummins West thinks it could be a faul...
Forum Discussion
Ivylog wrote:
red guard since you will not believe me you might want to believe Smitty and welcome to the forms.
Also the Aladin system takes digital info from the engine's computer and displays it making it more accurate than any gauge. Comparing a CAPS system to a non ISC is valid as both do not have a variable vain turbo.
Even my 8.3 with a #10 fuel plate will only make 23 psi.
My ISC 350HP 2002 made 31 lbs stock with standard turbo and 39 lbs with a stronger actuater arm system.
The OP says his 2005 ISL 400 makes 35 lbs boost I don't see how you would ever make 400HP with 23 lbs boost? why does it take me 35-37 to get 425HP and you only 23lbs to make 400>?
also to note from my ltd research
It Makes no difference if it is a variable turbo, all the variable turbo does is to get 'on boost' earlier in the rev range and sustain boost at higher engine RPMs
