Thanks for your comments. I've decided to toss those old additives, and not risk messing up my car that's running strong.
It appears there are several possible oils suitable for our cars. I've been running Valvoline 20W50 VR1 high zinc racing oil in my F, for my long-distance driving. I ran the synthetic version up through 2016, and switched over to non-synthetic last year and this. Driven my F over 6,000 miles last year and again this year. I had my oil analyzed at the end of last year by Blackstone Laboratories - www.blackstone-labs.com - and again in July this year. Zinc readings were 1,648 ppm last November on oil that ran 4,040 miles; and 1,503 ppm this July on oil that ran 2,518 miles. When I shut the car down for the year in about a month, I'll have it tested again. Price of the test is nominal.
Noel
On October 11, 2018 at 7:26 PM "mark love marklove@xxxxxx [Chrysler300]" <Chrysler300-noreply@xxxxxxxxxxxxxxx> wrote:
All, I’m using CamOil in my ’55 Imperial and about to do a load in the ’56. I have noticed that the engine runs quieter and smoother with the new oil. Seems to idle 100 rpm lower at a stop with the torque converter engaged.
Lots of old nuts up here are using it and find it does the trick. I think it adds ZZDP at 1600 ppm but that’s in the write up attached.
Check it out.
M.
On 10/11/2018 6:35 PM, 'Michael Ashmore' michael.ashmore@xxxxxxx
[Chrysler300] wrote:
>
>
> Noel,
> Interesting information. My mechanic just told me to run 15-40 Dello or
> Rotello diesel motor oil in my 300G. Also he said todays motor oil
> doesn't have zinc to lubricate the cam and lifters because todays
> engines are all roller type rockers. Also he said to add a zinc
> additive (ZDDP) at every oil change otherwise your cam will be worn down
> in no time.
> Lessons learned!
> Mike 300G.
>
DOUBLE CHECK THE ZDDP in those Diesel oils, I believe that ZDDP is Bad
for them big truck cattylick converters, hence the usage of an extra
product I joking refer to as muffler earl.
DEF Fluid, used to aid in cleaning up the final exhaust fumes!
ZDDP in the range of 1000-1200 PPM is what you are looking for to
protect your Old Iron horses!
There have been TIGHTER regulations implemented in recent years.
the company one of my Daughters worked at replaced ALL their older
tractors when the regs changed, AND there is a big argument about
shops that are either rebuilding or converting older units to keep
them on the road.
--
Paul Holmgren
"I am a firm believer in the people. If given the truth, they can be
depended upon to meet any national crisis.
The great point is to bring them the real facts."
-- Abraham Lincoln, American president, 1861-1865
That was then, what the heck happened?
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