Justin,
On the front of the engine, the water pump housing where the thermostat mounts,
is right up next to the outer lip of the valve cover.
I have ARP head bolts on my engine and they are small compared to the stock
ones, So the clearance there is sufficient to clear your
3/16 inch dimension.
There is a water tap on the rear right of some heads for a heater hose. With
the hose installed, it comes within the 3/16 dimension
that you mention. In fact it is right up against the aluminum valve cover on
Huxley, my street Mk1.
Nothing else interferes. But on later Spitfires there is an air rail assembly
that is tapped into the head. I don't have one that I
can measure but that may be a problem. Hopefully someone on the list has one
that they can measure.
Regards,
Joe
jmwagner wrote:
>
> I am now pushing forward with a Spitfire version of my silicone valve
> cover gasket. I will begin tooling soon. Please do not spread
> the word yet to the Triumph Newsgroup, as I am not yet officially
> announcing its release date. (Amici will probably be my new
> product testing ground, at a discount of course, before going public.)
>
> The question I have for the group... those of you that have Spitfires
> or any of the cars that have the same engine/valve cover.... and
> you have a pair of calipers...
> Could you please take a moment to look at your motor and see if anything
> comes within 3/16" of the outer edge of the valve cover.
>
> I noticed on various cars I have seen...there are variances... engine
> lifting plates, thermostat housings, etc... I want to be sure the
> gasket works on all these cars... So please look and let me know.
>
> As an example... here is the thermostat housing of my TR 4A, coming very
> close to the valve cover, but there is room for the
> gasket... Whereas... you will see... where the pedestal of the head
> bolt draws too close... I had to design the gasket with a notch to
> clear it..
>
> http://www.jmwagnersales.com/Photo4.jpg
>
> The Spitfire head is flat on top... no pedestal... and I think the bolt
> and washers clear the cover with enough room... but, again, I
> would like to know of variances. Perhaps some cars came with bigger
> washers... etc...
>
> I'd appreciate feedback.
>
> --Justin Wagner
> jmwagnersales.com
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