[Fot] TR6 Aluminum Heads

[Kas Kastner]

Yes, Bill, back in the sixties, I asked the factory foundry to scrub the cores of the TR-4 head and make me about a dozen special heads that had aprox.13 to 1 compression before any modifications were completed. The heads were passed around to the hot competitors at that time and of course some were in engines in cars I was passing on also.  The head was indeed thicker at the gasket surface and helped a lot with keeping things together.  They were impossible to identify from the outside although the edge on the spark plug side was very thin. If anyone has one, treasure it.
---- BillDentin at aol.com wrote: 

=============
In a message dated 04/20/2010 12:07:37 PM Central Daylight Time, 
rjl6n at cstone.net writes:

> The serious engine builders like them because it is
> a lot easier to grind the chambers to improve the
> flow.
> 
I'm sure that's so, but it can bite you in the foot too.  The head I have I 
bought from Darryl Uprichards (sp?) in the UK many years ago when someone 
had made a couple dozen (a guess).  Darryl had two left when I ordered mine, 
and he ruined one of them prepping mine.  I believe him because he shipped 
me a piece of the ruined one along with the good one.  That 'woops' had to be 
a bitter pill for Darryl at the time as they were rare.  Subsequently 
someone made a whole bunch of them.

Someone told me that in the glory days, there were a limited number of 
special TRIUMPH heads cast with a thicker base, lending itself to shaving 
options.  Maybe that's sour grapes by people who got passed.  I've never seen one. 
 If that's a true story, I have to assume KAS has seen them...and up close.

Bill Dentinger
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