[Fot] Break-in Oil

[Rocky Entriken]

Everybody's talking brand names, which is fine.

The concept is this -- synthetics are super but are so efficient they do not 
really permit good seating of things like rings, cams, etc. So you use what 
my engine builder calls "mineral oil" (the stuff they pump out of the 
ground) at first. Only takes about one good session -- a race practice, a 
full autocross, etc. Then drain it and put in the synthetic.

When I get a new (rebuilt) engine, I use Valvoline VR1 to start, then go to 
Valvoline Synpower.

Actually, lately I have my engine builder take it to the dyno and tune it 
there, which also works as the break-in. Then the engine delivered to me is 
already broken in and I go straight to the synthetic.

--Rocky Entriken

----- Original Message ----- 
From: "Mark Eginton" <markconsultation at twcny.rr.com>
To: <fot at autox.team.net>
Sent: Saturday, April 03, 2010 9:39 PM
Subject: [Fot] Break-in Oil


> My new Isky grind cam came with a flyer recommending break-in oil but I 
> can't seem to find it anywhere, nor does any one seem to know what it is. 
> How serious is this? I'm hoping to irritate the neighbors Sunday or Monday 
> unless I have to order oil on the internet. Left to my own device I would 
> just run Castrol GTX 75k (30 wt) which had "almost" as much of the 
> additives everyone thought were necessary as the best (long FOT thread 
> 12-18 mos ago) and I love GTX. Decades of great luck; e.g. turbo SAAB with 
> almost 200k on it sparkling clean inside - original turbo - daily 
> driver...
>
> Happy Easter for those who celebrate...
>
> M
>
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