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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dwatson98
 Post subject: rpm
PostPosted: Sun Apr 17, 2022 9:17 pm 
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HI can anyone tell me what the rpm should be at tick over please ,i have a triumph 1500 fwd 1972
regards David
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xvivalve
 Post subject: Re: rpm
PostPosted: Mon Apr 18, 2022 10:42 am 
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Anywhere between 600 and 900 that gives good results
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dwatson98
 Post subject: Re: rpm
PostPosted: Mon Apr 18, 2022 5:50 pm 
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thank you so much
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Bumpa
 Post subject: Re: rpm
PostPosted: Mon Apr 18, 2022 7:49 pm 
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I find with old engines on carburettors trying to get it down as low as 600 rpm is a pretty pointless exercise and will usually lead to very lumpy idling with the likelihood of stalling when you put it into gear. I would be happy with anything from 1000 rpm down as long as it is smooth and won't stall. My 1850 idles at between 900 and 1000. You can't expect it behave like a modern car with computer controlled fuelling and ignition.

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(1969 MGB GTV8, 1977 Dolomite 1850HL, 1971 MGB roadster now all three on the road)
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tamtrucks
 Post subject: Re: rpm
PostPosted: Mon Apr 18, 2022 10:58 pm 
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browny 1300 is running about 1000rpm,seams happy any lower just dont feel right and thats on super unleaded

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Dolomite 1300,1980`V`reg in british racing brown(russet),3.63 diff with 21t speedo pinion,95%poly`d,HL clocks,standard wheels with SE covers wrapt in 175 70 13,mot`d 19-09-2014,been off the since 1990,(july2017) stainless steel exhaust 3-piece,(xmas2018) wooden mountney steering wheel,(june2020) new monroe shock(radial front,gas-matic rears) with -1" lower`d springs all round.
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xvivalve
 Post subject: Re: rpm
PostPosted: Tue Apr 19, 2022 10:08 am 
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Quote:
I find with old engines on carburettors trying to get it down as low as 600 rpm is a pretty pointless exercise and will usually lead to very lumpy idling with the likelihood of stalling when you put it into gear. I would be happy with anything from 1000 rpm down as long as it is smooth and won't stall. My 1850 idles at between 900 and 1000. You can't expect it behave like a modern car with computer controlled fuelling and ignition.
Which is why I included the last four words in my answer.
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