Re: [MBZ] So how much boost can a OMN617 take? [was: Re: Fwd: 1985 Mercedes Benz 300CD Turbo Diesel Coupe]

2018-08-22 Thread Karl Wittnebel via Mercedes
The issue is not how much the turbo can supply. It is how much it can supply efficiently. The map has air mass on the x axis and pressure ratio on the vertical. The more pressure you run, the less air mass you can pump. There are islands of pressure/mass flow where the compressor provides air

Re: [MBZ] So how much boost can a OMN617 take? [was: Re: Fwd: 1985 Mercedes Benz 300CD Turbo Diesel Coupe]

2018-08-17 Thread Mitch Haley via Mercedes
I think the waste gate is supposed to be right around 14psi for my 617.950, I doubt any 617 is over 20psi stock. ___ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to:

[MBZ] So how much boost can a OMN617 take? [was: Re: Fwd: 1985 Mercedes Benz 300CD Turbo Diesel Coupe]

2018-08-17 Thread Craig via Mercedes
On Fri, 17 Aug 2018 13:52:28 -0400 Meade Dillon via Mercedes wrote: > I think this is what I forgot to do: > > " 10. ALDA valve adjusted for pertinent altitude and boost." In looking at cars, I saw one ad which mentioned that the turbo was good because it supplied 23 psi of boost. Isn't that