Does the 560 engine use the same oiler tubes, or is this "feature" specific to only the 420? The iron block M117 450 engine had metal oiler tubes, IIRC. Could tubes from another engine be retrofitted to the 420?
On Thu, Jan 25, 2018 at 11:37 AM, Dan--- via Mercedes <mercedes@okiebenz.com > wrote: > The 420 has plastic oiler tubes in the heads which fail/leak/break and > cause cam lobes to get worn down due to lack of lubrication. This > typically occurs on the right (passenger side) bank first for some reason. > > Also, if heads have to be removed on this engine the head bolts have a > tendency to strip at final torque values, with redrilling and installation > of threaded inserts requiring special jigs. > > -D > > > On Jan 25, 2018, at 11:45 AM, Donald Snook via Mercedes < > mercedes@okiebenz.com> wrote: > > > > I know the 560SEL is more desirable because the mileage difference is > negligible between the 420 and the 560. Is there something else that > makes the 420 SEL less desirable? Was there an issue with a timing chain. > I can't remember the specifics. > > > > The price of this one is TOO HIGH. But, it sure is nice. > > > > https://wichita.craigslist.org/cto/d/1991-mercedes-benz- > 420sel/6471936297.html > > > > Don Snook > > _______________________________________ > > http://www.okiebenz.com > > > > To search list archives http://www.okiebenz.com/archive/ > > > > To Unsubscribe or change delivery options go to: > > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > > > > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > -- OK Don *“Travel is fatal to prejudice, bigotry and narrow-mindedness, and many of our people need it sorely on these accounts.”* – Mark Twain "There are three kinds of men: The ones that learns by reading. The few who learn by observation. The rest of them have to pee on the electric fence for themselves." WILL ROGERS, *The Manly Wisdom of Will Rogers* 2013 F150, 18 mpg 2017 Subaru Legacy, 30 mpg 1957 C182A, 12 mpg - but at 150 mph! _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com