No its not meaningless.
We are not talking about perceived sound levels to the human ear (Psycho-Acoustics). We are talking about measured sound pressure (energy) as measured by the tyre manufacturer. This is about fuel economy when changing rim sizes.
We are then talking about 4 tyres, 4...
If you look at the Dunlop "blu response" the manufacturer says both 15' and 16' types fall into class band "C" for fuel efficiency.
However, the 16 inch tyre is rated 69 decibels, while the 15 inch tyre is rated 67 decibels. That might not sound much difference, but decibels is measured in a...
Winter equipment trials update!!
-Task: eliminate mist from all internal windows.
-Equipment 2 x damp traps. cost less than £1 each from b&m etc.
https://www.bmstores.co.uk/products/dehumidifiers-4-x-250g-321193
example picture here...
This works a treat!
closing air intakes using "recirculate function" button before you switch off works.
place the dehumidifier in the back of the car. note: if you think your dehumidifier is not working because there is no "water" in the bottom, be patient. It is not water it is liquefied...
halfway through testing new winter equipment installation to decrease demisting time/startup time:
from tesco £1 section.
currently testing shutting off vents to outside during the nighttime by selecting "air recirculate" feature seconds before switch off.
Are we all confirmed there is a mpg improvement between cold and running temp.
If so,
how do you accelerate the rise to running temp during freezing winters?
-Block/part block the radiator with a shield?
-special remap/chip for cold weather?
-does the car adjust automatically?
-special engine...
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