Re: [MBZ] proper boost pressure on a 300Dt

2006-04-27 Thread Marshall Booth
Peter Frederick wrote: Do not exceed 13 psi, higher pressures will significantly reduce engine life. Often need a new wastegate control spring by now, they gradually "shrink" from usage and will often have only 7 or 8 psi pressure developing. That makes for sluggish performance and low milage

Re: [MBZ] proper boost pressure on a 300Dt

2006-04-27 Thread John Berryman
On Apr 26, 2006, at 8:30 PM, Christopher McCann wrote: OK, now for the dumb question: How do you measure boost pressure? ...especially under full load at 2000-5000 RPM? Thanks, Chris Tee into the line that signals the ALDA and run a hose and gauge into the cabin where you can read it

Re: [MBZ] proper boost pressure on a 300Dt

2006-04-27 Thread Jim Cathey
OK, now for the dumb question: How do you measure boost pressure? ...especially under full load at 2000-5000 RPM? You tee a pressure gauge, such as the should-be-ubiquitous modern pressure/vacuum MityVac, into the line from the intake manifold that (eventually) goes to the ALDA. Put the gauge s

Re: [MBZ] proper boost pressure on a 300Dt

2006-04-27 Thread Peter Frederick
Do not exceed 13 psi, higher pressures will significantly reduce engine life. Often need a new wastegate control spring by now, they gradually "shrink" from usage and will often have only 7 or 8 psi pressure developing. That makes for sluggish performance and low milage. New spec is 11 or 12

Re: [MBZ] proper boost pressure on a 300Dt

2006-04-27 Thread Christopher McCann
OK, now for the dumb question: How do you measure boost pressure? ...especially under full load at 2000-5000 RPM? Thanks, Chris Marshall Booth <[EMAIL PROTECTED]> wrote: Jim Cathey wrote: >> What is the boost pressure supposed to be on a 1985 300Dt? > > Only 8-10# IIRC. Between 700-800 m

Re: [MBZ] proper boost pressure on a 300Dt

2006-04-27 Thread Marshall Booth
Jim Cathey wrote: What is the boost pressure supposed to be on a 1985 300Dt? Only 8-10# IIRC. Between 700-800 millibar under full load AND between 2000-5000 rpm. http://skinnerbox.steaky.org/Service/W123/w123CD2/Program/Engine/617/09-450.pdf http://mb.braingears.com/123_DISK2/program/Engine

Re: [MBZ] proper boost pressure on a 300Dt

2006-04-26 Thread Dave M.
delivery (ALDA adjustment needed). :) -dm > -- > Date: Wed, 26 Apr 2006 15:00:10 -0700 (PDT) > From: Christopher McCann <[EMAIL PROTECTED]> > Subject: [MBZ] proper boost pressure on a 300Dt > > > What is the boost pressure supposed to be o

Re: [MBZ] proper boost pressure on a 300Dt

2006-04-26 Thread Jim Cathey
What is the boost pressure supposed to be on a 1985 300Dt? Only 8-10# IIRC. -- Jim

Re: [MBZ] proper boost pressure on a 300Dt

2006-04-26 Thread Jeff Zedic
.9 bar I believe.13 psi or so... Jeff Zedic Toronto 87 300TD

[MBZ] proper boost pressure on a 300Dt

2006-04-26 Thread Christopher McCann
What is the boost pressure supposed to be on a 1985 300Dt? Thanks, Chris Christopher McCann, Squier Park, Kansas City, Missouri -2005 Blue Point Siamese, "Rose" -1987 300TD, 152K, "Rotkäppchen" -1985 300SD, 213K, "Wulf" -1972 Jacobsen 21" Turbo Vent -1971 Case 222 Hydrive, 12HP Kohler