rpm

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dwatson98
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rpm

#1 Post by dwatson98 »

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
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Re: rpm

#2 Post by xvivalve »

Anywhere between 600 and 900 that gives good results
dwatson98
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Re: rpm

#3 Post by dwatson98 »

thank you so much
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Bumpa
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Re: rpm

#4 Post by Bumpa »

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.
Mike
(1969 MGB GTV8, 1977 Dolomite 1850HL, 1971 MGB roadster now all three on the road)
tamtrucks
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Re: rpm

#5 Post by tamtrucks »

browny 1300 is running about 1000rpm,seams happy any lower just dont feel right and thats on super unleaded
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
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Re: rpm

#6 Post by xvivalve »

Bumpa wrote: Mon Apr 18, 2022 7:49 pm 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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