I didn't know that SV had the newer head! News to me. The SV I have seen had
the older type head. Maybe it was not original?
Do you mean that all SV have this later type head, not just late SV.
I wish there where some kind "code" name for these parts to avoid
misunderstandings.
Kristian J
----- Ursprungligt meddelande -----
Fren: <Jay_Laifman@countrywide.com>
Till: <alpines@autox.team.net>
Skickat: den 20 maj 2003 02:41
Dmne: Hunter, SV and Holbay
> Kristian writes:
>
> >No, Hunter and SV are similar= bigger.
> >The different between the Hunter and the
> >SV are mostly on the outside appearance.
> >No sparkplug tubes that collect oil or
> >water. The casting inside also appears,
> >shall we say, improved. I prefer the Hunter
> >type before the older "sparkplug tube" variant.
>
> I'm not sure what you mean by "sparkplug tube." I do know that the Holbay
> head and the SV head are identical on the outside, with square sparkplug
> openings. The original Holbay heads had a water port that was not
> drilled. The earlier Series Alpines did have round tube-like openings for
> the spark plugs. Perhaps that is what you are talking about. Those were
> NOT the SV heads.
>
> >To have smaller ports then standard on an
> >engine that is supposed to give more power,
> >may feel uncomfortable for many.
>
> It gives more power at the low end, at the expense of the upper end. That
> was the whole intent. It makes it more driveable in every day driving.
> The smaller diameter allows the mixture to gain velocity easier. That
> said, on mine, we opened it up to the full size and I am not bothered in
> the least.
>
>
> >This suits the 3.77 rear end with overdrive gearbox.
> These are not generally available in the US because they came on a sedan
> that was never imported to the US. I know the Rick at Sunbeam Specialties
> used to get them from time to time.
>
> Jay
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