[Land-speed] Synthetic oil

[Jim Webb]

Here is the current Mobil One data sheet on all their oils.
Regardless of Synthetic or Dino, you need a high ZDDP package - absent in
most street oils today. Consider their 0W-50 Race, or do what the ring guys
say. IMHO, once it is assembled, it is wearing out.
http://www.mobiloil.com/USA-English/MotorOil/Files/Mobil_1_Product_Guide.pdf
They do have a 15W-50, but it does not have as much ZDDP.

Jim Webb
Chock Full o' Nuts
AA/PP A/PP B/PP C/PP D/PP ?/FL
 
-----Original Message-----
From: land-speed-bounces at autox.team.net
[mailto:land-speed-bounces at autox.team.net] On Behalf Of Chris R Harris
Sent: Tuesday, May 10, 2011 8:25 PM
To: Jim Dincau; land Speed List
Subject: Re: [Land-speed] Synthetic oil

Jim, once again it's like 'how long is a piece of string'.
There has been endless debate on this subject, both very plausible for & 
against.
Car manufacturers put synthetic straight into new cars though plenty have 
roller cams these days.
My call..........do what the ring maker says.
Chris Harris............NZed.

> Hi all,
>     The literature that came with my gapless ring package cautions about 
> using synthetic oils for break in. Coming from a blown alcohol background 
> I am unfamiliar with this concept of "break in". This is an unblown gas 
> engine with roller lifters so I am not worried about any lack of zinc. 
> Anyone have any experience with gapless rings and initial start and run?
> Jim in Palmdale
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