Re: [Chrysler300] More On Oil

["Michael Reed" <mrreed@xxxxxxxxx>]

I use Mobil Delvac 1300 Super 15W-40, because it has the zinc and phosphorus levels that our old engines need. Shell Rotella Diesel also does.

The zinc and phosphorus are combined into a single chemical (apparently) --  zinc dithiophosphate. It represents 1.2% of the motor oil's components, according to the data sheet from Exxon/Mobil. 

Mike Reed in snowy Lake Odessa, Michigan

  ----- Original Message ----- 
  From: pennsy300@xxxxxxx 
  To: chrysler300@xxxxxxxxxxxxxxx 
  Sent: Saturday, December 15, 2007 11:11
  Subject: [Chrysler300] More On Oil


  Given the recent discussion on oil on the list server, I thought an article 
  today in the Dayton (Ohio) Daily News might be of interest. Somewhat 
  lengthy, but relevant. Synopsis follows.

  Got zinc? Most motor oils today don't have enough if you're driving a 
  classic car, Classic car owners have become increasingly frustrated with 
  engine problems, mostly related to the failure of camshafts after a rebuild. It's 
  been as hot topic over the last few years by everyone with an engine built 
  before 1973. 

  Oil companies have reduced the zinc and phosphorous content in their 
  oils because the had to. Both chemicals impact catalytic converters, and the 
  car companies aren't going to fix the converters. Plus, new engines don't need 
  zinc; they don't use flat tappets. 

  A local engine rebuilder said, "No one was making high-zinc content oil, 
  so we found a refinery who would make the oil for us with the right amount 
  of zinc and phosphorous. We formulated it like the old oils with 0.125 
  percent zinc and phosphorous. Most oils today with an API-SM label have an average 
  0.087 percent zinc and phosphorous, just not enough to create a coating on 
  the cam lobes.

  Motorhead Classic oil currently comes in one viscosity, 15W-40, and it 
  is only available in gallon jugs. The oil sells for $14.50 per gallon, or 
  $3.62 per quart. The oil can be purchased on e-mail:
  _think-zinc@xxxxxxxxxxxxxxxxx (mailto:think-zinc@xxxxxxxxxxxxxxxx) .

  Terry McTaggart

  **************************************See AOL's top rated recipes 
  (http://food.aol.com/top-rated-recipes?NCID=aoltop00030000000004)

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