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RE: RE: TR4A ? engine

To: "'Randall'" <tr3driver@comcast.net>, jonmac <jonmac@ndirect.co.uk>
Subject: RE: RE: TR4A ? engine
Date: Wed, 20 Oct 2004 19:47:39 -0700
Cc: Triumph List <triumphs@Autox.Team.Net>
Did anybody think to ask for the serial number on the block? The British 
Heritage should be able to trace it if it went into a car.

John

On Wednesday, October 20, 2004 2:42 PM, Randall [SMTP:tr3driver@comcast.net] 
wrote:
> > Having looked at the three pix submitted by Jim Wallace on the queried wet
> > liner four pot lump with twin SU's, my best guess is it probably
> > came from a
> > Standard Vanguard Sportsman. I stress this is a guess because:
> >
> > * Only 1000 were made between early 1956 and late 1957
>
> While I'm also only guessing, I think that means this engine could not be
> original for a Sportsman.  Note the closed crankcase breather on the rocker
> cover and HS6 carbs, these would be for a much later car.
>
> > *Long crankshaft nose piece - for starting handle dog
>
> Also found on TRs, for the same reason.
>
> > * Similar/identical oil filter and filter head to that found on Petrol/TVO
> > Fergie tractors and also common with Vanguards (but not TR's of the
> > period????? - Tell me, someone. I was only 12 years old then!!)
>
> The filter head and canister look correct to me for a later TR.  Early ones
> were different, but the second threaded hole indicates this was a "full
> flow" head, not a bypass head as the early TR2-3 had.
>
> > * Twin SU's and what looks like a different exhaust manifold from that on
> > the Vanguard.
>
> The double exit exhaust manifold also looks to me like a TR4A part.
>
> I'm voting for the explanation offered earlier ... this engine was fitted in
> a TR4A and is a prime example of "keeping it on the road" using whatever
> parts come to hand.  I've done something similar with the thermostat housing
> myself, just went to the local parts house and searched until I found one
> that would bolt up, then found a hose that would mate with the radiator from
> the rather odd outlet of the housing.  The result got me from Texas to
> California !
>
> Can't see the fuel pump clearly, but it looks like it might be a TR6 unit
> ...
>
> Randall

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