Not true. I got a headache from the throbbing 1980 300D. The 83 and 85 have no such problems and are relatively quiet... despite far greater mileage.
On 11/20/06, Kaleb C. Striplin <[EMAIL PROTECTED]> wrote:
My observation has always been that the non-turbo 61x's were more quiet than the turbo versions. Maybe its just me. [EMAIL PROTECTED] wrote: >><<High injector opening pressures will make it noisier, and new injectors >>will >>be a lot louder than 20 year old worn injectors. Advanced timing will make >>it >>louder. >>I'm not sure as to the exact cause of injector "nailing", which would likely >>be in one or two cylinders, not all five evenly, but it sounds like there's >>a little guy in the engine with a hammer. Nailing can usually be cured, at >>least temporarily, by running an injector cleaner like diesel purge through >>it.>> >> > Based on 120K miles in my '78 300D from new, nailing (rat-a-tat) sounds were > caused by bad spray patterns which were caused (for one thing) by water > passing through the nozzles and deforming the holes. It's not necessarily a steady > sound but more random and very annoying. That's why my car had thirteen > warranty injector replacements in 50K miles after which I installed a Racor water > separator which completely ended the problem until I sold the car at 120K miles. > > There will now be posted several "stuff and nonsense" rebuttals to this and > my reply will be that my post is based on personal hands-on experience. > > BTW, as I recall when my car was around, the injector pop-off pressure was > 1750psi for the 300D whereas the 300SD was 2150psi, according to my dealer. And > I recall that the turbo version was a much more even and slightly quieter > combustion sound. I do know that any reasonably experienced diesel driver can tell > the difference blindfolded. > > RLE > >> > > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > -- Kaleb C. Striplin/Claremore, OK 91 300D 2.5 Turbo, 90 420SEL, 89 560SEL, 87 300SDL, 87 300SDL #2, 85 380SE 5.0 Euro, 84 190D 2.2, 84 190D 2.2 #2, 81 240D, 76 240D, 76 300D, 72 250C, 69 250 http://www.striplin.net _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
