[V8] Alusil/Nikasil oil burner?

[Tony and Lillie]

I don't know exactly which process that is, but it's the exact same wording 
I have in my V8 training manual of 1989, listed for the PT engines. So, 
whichever it is, both engines undergo the same process.

Tony

----- Original Message ----- 
Subject: Re: [V8] Alusil/Nikasil oil burner?


> Hi,
>
> finally I got some "official" information concerning the ABH:
>
> The internal product information for the introduction of the V8 4.2
> (10/91) says:
>
> "The engine block is made of an aluminium alloy with 17% silicon
> contingent. In a special etch process the hard silicium cores are
> exposed, which form the piston contact surface. Usual piston liners are
> therefore needless.
>
> The light alloy pistons have galvanically applied iron coatings with a
> flimsy tin film on it. Benefit: Highest friction resistance."
>
> The press map of 12/1991 says the same thing.
>
> So, what is it?
>
> Thanks
>
> Bastian