Re: [MBZ] OM617 timing (was: 300 sdl timing chain,)

2011-08-12 Thread Dieselhead
don't remember and had the head machined. Wilton - Original Message - From: "Peter Frederick" To: "Mercedes Discussion List" Sent: Thursday, August 11, 2011 11:58 PM Subject: Re: [MBZ] OM617 timing (was: 300 sdl timing chain,) Usually a broken chain means a b

Re: [MBZ] OM617 timing (was: 300 sdl timing chain,)

2011-08-12 Thread WILTON
011 10:38 PM To: Mercedes Discussion List Subject: Re: [MBZ] OM617 timing (was: 300 sdl timing chain,) In '96 at 89 kmi, while cruising at 60 mph, original chain on my '91 350SDL suddenly and without a sound broke, leaving me coasting quietly to a stop. 'Ruined that day and seve

Re: [MBZ] OM617 timing (was: 300 sdl timing chain,)

2011-08-11 Thread Peter Frederick
replacement chain was getting noisy; I had it replaced again as a >precaution. > >Wilton > >- Original Message - >From: "Fmiser" >To: "Mercedes Discussion List" >Sent: Thursday, August 11, 2011 10:51 PM >Subject: Re: [MBZ] OM617 timing (wa

Re: [MBZ] OM617 timing (was: 300 sdl timing chain,)

2011-08-11 Thread WILTON
s a precaution. Wilton - Original Message - From: "Fmiser" To: "Mercedes Discussion List" Sent: Thursday, August 11, 2011 10:51 PM Subject: Re: [MBZ] OM617 timing (was: 300 sdl timing chain,) OK Don wrote: Isn't an extremely stretched (worn) chai

Re: [MBZ] OM617 timing (was: 300 sdl timing chain,)

2011-08-11 Thread Fmiser
> OK Don wrote: > Isn't an extremely stretched (worn) chain likely to fail? I > seem to remember 5-6 degrees in a 617? I chain break on the > higway could ruin your day --- Yes, but not greatly. In general, chains don't break like belts do. They just wear until... about 11 degrees or so you ri

Re: [MBZ] OM617 timing (was: 300 sdl timing chain,)

2011-08-11 Thread Peter Frederick
A badly worn chain will slap, too. 8 degrees is the wear limit, but I'd personally not wait that long. By that time you are very short on low end power and the injection timing will be late enough to notice if not reset. Peter ___ http://www.okiebenz.c

Re: [MBZ] OM617 timing (was: 300 sdl timing chain,)

2011-08-11 Thread OK Don
Isn't an extremely stretched (worn) chain likely to fail? I seem to remember 5-6 degrees in a 617? I chain break on the higway could ruin your day --- On Wed, Aug 10, 2011 at 7:33 PM, Fmiser wrote: > > Allan Streib wrote: > > > I never have. My engine starts easily, has good power, > > doesn't

Re: [MBZ] OM617 timing (was: 300 sdl timing chain,)

2011-08-10 Thread Fmiser
> Allan Streib wrote: > I never have. My engine starts easily, has good power, > doesn't smoke, so I feel that this is a case where "if it > ain't broke don't fix it" might apply. Well, not really. As the engine wears, the timing will retard. Which is the safer direction. And as it happens slo

Re: [MBZ] OM617 timing (was: 300 sdl timing chain,)

2011-08-10 Thread Dieselhead
E I never have. My engine starts easily, has good power, doesn't smoke, so I feel that this is a case where "if it ain't broke don't fix it" might apply. Many things that can be adjusted should be left alone in the absence of any problems. Is there a scheduled maintenance interval that includ

[MBZ] OM617 timing (was: 300 sdl timing chain,)

2011-08-10 Thread Allan Streib
I never have. My engine starts easily, has good power, doesn't smoke, so I feel that this is a case where "if it ain't broke don't fix it" might apply. Many things that can be adjusted should be left alone in the absence of any problems. Is there a scheduled maintenance interval that includes ti