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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PostPosted: Fri Apr 05, 2019 10:45 pm 
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Future Club member hopefully!
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Joined: Thu Nov 01, 2012 9:33 pm
Posts: 472
Location: Hoylake, Wirral
I’ve got a 1500HL 1978 T reg. it’s got a very simple single line braking system. I’ve never given this any thought. A friend of mine has just bought a 1979 T reg 1500HL which has a Tandem braking system, and also I’ve seen a few earlier base model 1300 Dolomites with the Tandem system on them too, so I’m currently wondering if anyone can shed some light on why this is? Surely an HL car should have the better system!! Hence my question was this optional? Or a reason for it :scratchin:

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PostPosted: Fri Apr 05, 2019 11:01 pm 
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Joined: Sun Aug 21, 2011 4:12 pm
Posts: 5011
Location: Highley, Shropshire
All UK market Dolomites changed from single line to tandem on a date around the end of 1978, the change being prompted by govt legislation. The ACTUAL date is not known, but it coincides, as far as I can tell from extensive research, with the introduction of the so called "series IV" Sprint, commission number VA 30000>. Some export market cars for certain countries had tandem brakes as early as 1972, these cars had a different master cylinder to the later UK tandem cars.

But the cars have been around long enough that quite a few earlier cars have been retrofitted with dual circuit brakes, including my own 73 Toledo and 78 (May) Sprint Auto. Both of which came into my possession as single line cars. Which is enough to confuse any one!

Steve

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2 door '73 Toledo with Vauxhall Carlton 2.0 8v engine OWF 797M (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine EGP 247T (The Dolomega)
'91 Cavalier 2ltr 8v auto
'95 Cavalier 2ltr 16v auto
Spectrum Auto Services, Servicing, Repairs, MOT prep. Apprentice served Triumph Specialist for 45 years and home of Maverick Triumph.PM for more info or quotes.


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PostPosted: Sun Apr 07, 2019 8:34 am 
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Joined: Fri Nov 23, 2007 11:33 pm
Posts: 4830
Location: hampshire
When I first got a sprint in 1992 I could not believe it had a single line brake system. My TR5 that I had owned a decade earlier had a dual and it showed the effects of a company ruled by bean counters rather than engineers.

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