The Triumph Dolomite Club - Discussion Forum

The Number One Club for owners of Triumph's range of small saloons from the 1960s and 1970s.
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 Post subject: Engine numbers
PostPosted: Sun Apr 28, 2024 12:21 am 
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Can anyone shed any light on a engine number on aluminium pop riveted plate beginning RTC no other number found yet, after a lot of searching ,is this a gold seal number. Or is it a complete mystery.


Last edited by Mad Mart on Sun Apr 28, 2024 9:49 am, edited 1 time in total.

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 Post subject: Re: Engine numbers
PostPosted: Sun Apr 28, 2024 9:54 pm 
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I've seen TR7 blocks identified with such, but also replacement engines which also have 'ESS' as a suffix


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 Post subject: Re: Engine numbers
PostPosted: Mon Apr 29, 2024 1:13 pm 
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My Spitfire with a 1300 engine had a very similar plate with RTC2458R followed by a 6-digit number and below that a stamped 3-letter 3-number code. I believe this was a factory (or factory-authorised) reconditioned engine.

_________________
1978 Triumph Dolomite Sprint (project thread)
1966 Volkswagen 1300 (project thread)
1962 Austin Mini (project)
1962 MGA 1600 Mark II
1965 Mobylette SP50 (project)
2001 Rover 75 2.5-litre V6


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 Post subject: Re: Engine numbers
PostPosted: Mon Apr 29, 2024 4:24 pm 
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Yes that would make sense, I know it was reconditioned when the car was restored. I'm I right in thinking the RTC number is the reconditioned number and it has3 initials underneath, could this be the person who did the job. As I have heard engine builders put their own stamp on their work. Is that realistic.


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