[928uk] 928 cylinder block recoating with nicasil

[Graham Bates]

Paul,
       The 928 block is not nicasil coated. Depending on how good the
welding is I can not see why the offending bores can not be rebored in the
normal fashion.
    Quite a percentage of GTS blocks have been fitted with cast liners by
Porsche as well. Since then of course technology has moved on and there are
better ways.
    I have sent you a file on Alusil refurbishing that will explain better
than I could.

Regards,
Graham Bates '82 928s

> hello,
> the cylinder block on my 928 has cracks at the top of 2 cyliders due to
> overheating and possible hydraulic pressuring from water being in the
> cylinder.
>
> i can find a good welder who can weld repair the cracks but i can't find
> anyone to nicasil the cylinder walls after the repair is done.