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Re: TR4 Questions on Originality - Underhood

To: TR250Driver@aol.com
Subject: Re: TR4 Questions on Originality - Underhood
From: Peter Fullam <pfullam@nycap.rr.com>
Date: Sat, 21 Feb 2004 00:15:36 -0500
Cc: triumphs@autox.team.net
References: <1de.19273ef9.2d682870@aol.com>
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 (ax)
Hi Darrell

I'm the original owner of a 63 TR4, CT19207L, build date about Jan. 14. 
It has the long neck radiator. It also had the small 4 blade "spatula" 
fan and the brass plug in the rocker cover.

Cheers

Pete  Fullam

TR250Driver@aol.com wrote:

>Hi Guys,
>I am trying to help the Triumph Register of American improve or at least 
>verify a few things in their Judging Standards and Restoration Guidelines 
>Manual.  
>For those of you who are not familiar with this publication it is IMHO by far 
>the most well written and authoritative document in existence for an owner of 
>a TR4 or TR4A who wishes to restore a TR4 to original specifications.  It is 
>available from TRA for a nominal fee (NFI) and used in the judging process at 
>their annual National Convention.
>
>As with most reference guides on originality some aspects must be called into 
>question to verify if they are correct when discrepancies exist.  I believe 
>that the best way to accomplish this is a survey of the owners of original 
>TR4's.  Having gone thru the Underhood section of the Manual I have the 
>following 
>questions:
>
>Triumph used the "long neck" radiator in early TR4's.  The header tank 
>extension was a carry over from the TR3A & B where one could not get to the 
>top of 
>the radiator and really served no purpose in the TR4.  At some point early in 
>production the header tank was removed and the cap relocated to the top of the 
>radiator.  The manual puts this change at Commission # CT9553.  I believe this 
>is possibly way to early in production to mark this change.  I know of one 
>original car, CT13917L, that has a long neck. Any other post CT9553 TR4's with 
>long necks?
>
>Cooling fans were evidently a major headache for Triumph.  Some TR4's 
>received the improved 4 blade fan with large rectangular blades.  Others 
>received the 
>optional "Tropical" 6 bladed fan.  The manual recognizes these two types.  My 
>car, CT5521LO was cursed with the famously inadequate TR3A & B fan with the 4 
>smaller spatula type blades. CT13917L referenced previously also has this 
>type of fan fitted.  Any other TR4's with spatula fans?
>
>Triumph was using their engines outside the TR line and due to the 
>requirements of another vehicle a hole was drilled in the center of the rocker 
>cover.  
>Since the TR4 did not use the hole a brass plug was put in it.  The manual 
>places this change in the rocker cover at engine #CT14234E.  Some evidence 
>suggests that the brass plug appeared much earlier in fact some TR3B's have 
>the brass 
>plug. In my experience a cover without the plug is rarely seen.  Can anyone 
>help with this?
>
>Thanks in advance for your responses.  As I said the TRA manual is excellent 
>for reference and these are the only questions I could find in the entire 
>underhood section.  If I can clear them up I will relay your responses to John 
>Gable the TRA Chief Judge.
>
>Best Regards,
>Darrell Floyd
>VTR Chief Judge





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