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Basics engine help!

Brian-H
Very Wise Man
Very Wise Man
Posts: 1095
Joined: Fri Aug 09, 2019 6:04 pm
Location: UK

Re: Basics engine help!

Post by Brian-H »

Eric990j wrote: Sat Jun 20, 2020 10:36 pm However, I cannot get the tick over lower than 1000 rpm, never have been able to. 600 when a gear is Selected only. I’m sure it should be 600 when not loaded? The idle screws are right up, except one which is a fraction touching to balance. With the mixture screws right up too but looks like a good mixture, any ideas ? The carbs in general seem very good.
Page 36 of "Handbook for the Daimler 2½-Litre Consort Saloon and Special-Sports Coupe" says "Before altering the adjustment of the carburettors, make certain that the settings of the tappets, plug points and ignition are correct, as these have a very marked effect on the slow running and general performance of the carburettor"

If the ignition is too far retarded the engine can be difficult to start. If the ignition is too far advance the engine is easier to start, and you'll also get a higher and more stable idle speed, but at the danger of "pinking" under harsh acceleration. So I'd check the ignition timing , maybe the plug gaps and the tappet clearances too.

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