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Dion
April 21, 2017, 1:13pm Report to Moderator

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Tomorrow I am going to have a look at a six cylinder engine. It came out of a Vitesse, but the owner thought it may be non original and possible be a GT6 engine. He does not sound too knowledgeable and for all I know it may wel be a Saloon engine.
A main clue will be the engine number of course. I am sure I saw somewhere a list of the engine number prefixes but cannot find it.
If I cannot find it, how to distinguish a 1600 from a 2000? And a 2000 from a 2500? Do "small chassis" cars use other mountings compared to TR250/5/6 and Saloon?
Any other obvious differences?

Many thanks in advance.



Tilburg, Netherlands
63 - TR4, 66 - 2000 od LPG, 73 - Stag  
previous owner of: 69 - Herald 1200 Sal, 71 - 2000 od LPG, 75 - 2500 aut LPG inj
plus a couple of other classics
A car stops being fun when it becomes an investment
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glang
April 21, 2017, 1:56pm Report to Moderator

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I use this page and theres a few others in the wonderful internet:

http://www.wolfitt.com/numbers_and_ratios.htm
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Nick Jones
April 21, 2017, 2:03pm Report to Moderator

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Vitesse would usually be HC (early HB) whereas GT6 would be KC.

After all this time engine numbers can only be considered a guide......
http://www.canleyclassics.com/technical-archive/engine-number-identification-chart
......who knows what they've been rebuilt as!

Mk1 engines have the pushrod tubes visible on the head next to the spark plugs.  Nothing with this head pattern will be 2.5.
Very early Mk1 engines have an extra breather arrangement low down on the block by the oil filter.

Former saloon engines can sometimes be identified by the stumps of the engine mount brackets on the front plate.  
It's hard to tell a 2.0 from a 2.5 externally (other than by number and the blocks are common between the two).  The 2.5 has a bigger pulley/damper but this is difficult to spot without the alternative as a reference.

Nick


Nick Jones
Somerset UK

Vitesse Mk 1.5 Convertible EFI, Survivor of RBRR 2008, HCR & 10CR 2009, HCR 2010, 10CR2011, HCR 2012, 10CR2013, 10CR2015, HCR 2016 & HCR 2017.
GT6 Mk3 Roto - project in progress
Spitfire MKIV son's project now on the road as a daily driver
2.5 PI Saloon now EFI (PIe?), Engine rebuilt and running sweet.  Diff howling...... Survivor of HCR 2013 & 2014 Gone to live in Swansea

http://www.tengaston.plus.com
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Dion
April 21, 2017, 2:48pm Report to Moderator

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Posts: 332
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Thanks gang and Nick.
Just found the special page on the CTH site
http://www.club.triumph.org.uk/prefix1.htm


Tilburg, Netherlands
63 - TR4, 66 - 2000 od LPG, 73 - Stag  
previous owner of: 69 - Herald 1200 Sal, 71 - 2000 od LPG, 75 - 2500 aut LPG inj
plus a couple of other classics
A car stops being fun when it becomes an investment
Logged
Private Message Reply: 3 - 3
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