[TR] TR4A valve springs

[spamiam at comcast.net]

Ed,

I can't comment on the valve spring dimensions (nor the spring rate).  Doesn’t 
the ROM say anything about this?

As for the aluminum push rod tubes, I oserved that mine are aluminum too. 
It is not clear to me that they were EVER painted.  There is no remnant of 
paint on mine while the cast iron head has the paint in good condition.  I 
have no idea where/if a changeover occurred, or if the two types (aluminum 
vs steel) were used interchangeably.

When I repainted my head, I left the push rod tubes natural.  I think they 
look nice in contrast to the painted cast iron.

-Tony

-----Original Message----- 
Message: 7
Date: Sat, 23 Apr 2011 02:59:41 +0000 (UTC)
From: fogbro1 at comcast.net
Subject: [TR] TR4A valve springs
To: triumph list <triumphs at autox.team.net>
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<1459581538.164377.1303527581200.JavaMail.root at sz0058a.westchester.pa.mail.comcast.net>

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List,

Does anyone out there have the height and o.d. of the inner and outer valve 
springs for the TR4A?
Aren't these dimensions about the same as the springs used on 3's and 4's?
While I'm at it: Are aluminum pushrod tubes particular to TR4A cylinder 
heads?

TIA,

Ed Woods