Yep - as hard as it is to believe, we used to tune all sorts of engines without the benefit of a single computer! ;-)
I used to adust the carbs on my MGB using a rubber hose - one end in my ear the other just in the carb throats. I'd listen for a similar "Hiss" to know when each carb was adjusted the same. Ahhh -- the good old days. Larry T (67 MGB, 74 911, 78 240D, 91 300D) www.youroil.net for Oil Analysis and Weber Parts Test Results http://members.rennlist.com/oil PORSCHE POSTERS! youroil.net Weber Carb Info http://members.rennlist.com/webercarbs . ----- Original Message ----- From: "Timothy Robinson" <[EMAIL PROTECTED]> To: "Mercedes Discussion List" <mercedes@okiebenz.com> Sent: Thursday, December 06, 2007 9:56 AM Subject: Re: [MBZ] Synthetic Oils > It makes sense, just like having blood tests and urinalysis at doctor's > office that "drawing" oil should give an indication to engine performance. > > My dad's ole mechanic was rather intuative and used to "smell the exhaust" > to determine how "rich" the fuel mixture was, if the car was burning oil > or > coolant. The guy was also deaf and without instruments could "feel the > engine" when he set the timing. > >> From: "LarryT" <[EMAIL PROTECTED]> >> Reply-To: Mercedes Discussion List <mercedes@okiebenz.com> >> Date: Thu, 6 Dec 2007 07:29:01 -0500 >> To: "Mercedes Discussion List" <mercedes@okiebenz.com> >> Subject: Re: [MBZ] Synthetic Oils >> >> As Tom says, Oil Analysis tells much more than what's happening with the >> oil. Since the oil in one way or another comes in contact with virtually >> all the stuff in the engine compartment. >> >> The Oil Analysis Report is basically grouped in 3 sections. 1st, the >> properties of the metals typically found in an engine are analyzed with >> their levels noted. If a level is too high, that contaminate of flagged. >> Next, the oils additives are quantified to define what their levels are. >> If >> high, they are noted and flagged. Next, the Oils' physical properties >> are >> tested - the SAE, amount of fuel in the oil, any water or Glycol in the >> oil >> and a few other things. A spreadsheet showing the analysis results for a >> couple of hundred reports are shown at http://members.rennlist.com/oil >> >> Also, as Tom suggested, many engine problems can be determined by >> checking the results. For example, when the Silicon level is too high >> (again, as Tom mentioned) a problem with the air filter intake possibly >> exists. I have seen air filters improperly seated or missing the o-rings >> which allowed intake air to bypass the filter and bring air filled with >> dirt >> into the engine. Also, on diesel engines, the Soot is measured which is >> a >> good indication of Blow by - which allows contaminated air to get past >> the >> rings and into the oil. Thus a high level of soot can indicate weak >> rings - >> or use of an oil which does not properly suspend and carry the >> contaminates >> to the filter for removal. >> >> Obviously some of these bits of information do not lend themselves to >> easy fixes but knowing about a problem often opens up new possibile >> solutions. >> >> HTHs >> >> Larry T (67 MGB, 74 911, 78 240D, 91 300D) >> www.youroil.net for Oil Analysis and Weber Parts >> Test Results http://members.rennlist.com/oil >> PORSCHE POSTERS! youroil.net >> Weber Carb Info http://members.rennlist.com/webercarbs >> . >> >> ----- Original Message ----- >> From: <[EMAIL PROTECTED]> >> To: "Mercedes Discussion List" <mercedes@okiebenz.com>; "Curt Raymond" >> <[EMAIL PROTECTED]> >> Cc: "Diesel List" <mercedes@okiebenz.com> >> Sent: Tuesday, December 04, 2007 2:18 PM >> Subject: Re: [MBZ] Synthetic Oils >> >> >>> Oil analysis is not just about your oil. It also uncovered leaky head >>> gaskets, >>> unfiltered air intake and accelerated engine wear. >>> >>> For example, an oil analysis can tell you that you have abnormal cam >>> lobe >>> wear >>> by the type & amount of metals found in the oil. This may lead you to >>> discover >>> (in a 1972 4.5 liter gas engine, BTW) that the plastic spray bar keepers >>> have >>> worn out and most of the oil destined for the cam lobes is actually >>> going >>> elsewhere. >>> >>> Or you may find higher than normal silica in the oil, which would >>> indicate >>> unfiltered air entering the engine and might lead to the realization >>> that >>> the >>> new K&N filter you installed wasn't such a good idea afterall. >>> >>> Tom >>> www.kegkits.com >>> >>> Quoting Curt Raymond <[EMAIL PROTECTED]>: >>> >>>> >>>> I'm of the mind that extended oil changes are something you work up to. >>>> How do I know 20,000 is safe if I don't try 19k first and so on? >>>> >>>> Besides what works well for one engine may not work well for another. >>>> As >>>> Marshall said you have to decide whats right for YOUR engine. >>>> >>>> -Curt >>>> >>>> Date: Tue, 04 Dec 2007 17:07:44 +0000 >>>> From: [EMAIL PROTECTED] >>>> Subject: Re: [MBZ] Synthetic Oils >>>> To: Mercedes Discussion List <mercedes@okiebenz.com> >>>> Message-ID: >>>> >>>> >>> <[EMAIL PROTECTED] >>> t> >>>> >>>> Content-Type: text/plain >>>> >>>> Curt, >>>> Why Change it? My car ran 20KMI between changes. Pull a sample and >>>> have it analyzed, I'm betting you are only 50% depleted. >>>> >>>> Pete >>>> >>>> >>>> --------------------------------- >>>> Be a better sports nut! Let your teams follow you with Yahoo Mobile. >>>> Try >>>> it now. >>>> _______________________________________ >>>> 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 >>>> >>> >>> >>> >>> Thanks, >>> Tom Hargrave >>> 256-656-1924 >>> >>> _______________________________________ >>> 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 >>> >>> >>> -- >>> No virus found in this incoming message. >>> Checked by AVG Free Edition. >>> Version: 7.5.503 / Virus Database: 269.16.13/1170 - Release Date: >>> 12/4/2007 10:52 AM >>> >>> >> >> >> _______________________________________ >> 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 > > > _______________________________________ > 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 > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.503 / Virus Database: 269.16.15/1174 - Release Date: > 12/6/2007 10:11 AM > _______________________________________ 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
