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Re: N/A v. Turbo heads...
Horch, August wrote:
> > > Are there any differences in the basic cylinder head castings used
> > on
> > the N/A and turbo I5s?
> > I believe the castings may be the same, but turbos have sodium filled
> > valves, while N/A motors do not.
> Ken, you're right, there was a big debate on the list a while ago on how
> to dispose of the sodium filled jobs in a enviromentally responsible
> type of way. Does anyone know why or what the advantage of sodium
> filled valves is?
Yes to control heat.