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Dipstick length
Posted: 22 Jun 2013, 08:04
by sternal
I hope this can be answered in a few hits and not be epic like my previous posts !
Van of flat driveway (2l Aircooled), it always reads the same reading which is just on the first notch, even after putting oil in (obviously don't want to overfill)n and leaving over night.
The length of the vans dipstick is 60cm top to bottom is this the correct length ?
Oil change done in march so don't really want to do an oil change though I suppose its the only way to get a proper reading knowing the correct amount is in there to begin with.
Many thanks in advance

Re: Dipstick length
Posted: 22 Jun 2013, 18:16
by kevtherev
olil should be changed twice a year, filter once.
what ever the mileage done...
If you buy a proper litre oil jug you won't have to guess

Re: Dipstick length
Posted: 22 Jun 2013, 19:30
by sternal
cheers I meant for topping up purposes I have now topped up I was low on oil ! back on 2nd notch
thanks for help
Re: Dipstick length
Posted: 22 Jun 2013, 19:43
by kevtherev
it's one litre from the bottom mark to the top mark....
Re: Dipstick length
Posted: 22 Jun 2013, 20:29
by tobydog
595mm overall, 565mm to seating bit thingy.
"olil should be changed twice a year, filter once.
what ever the mileage done..."
Twice a year oil change & one filter regardless of mileage, why?
Re: Dipstick length
Posted: 22 Jun 2013, 20:35
by Oldiebut goodie
Oil is used instead of water for cooling and is therefore abused more in an aircold.
Re: Dipstick length
Posted: 22 Jun 2013, 20:48
by tobydog
Oldiebut goodie wrote:Oil is used instead of water for cooling and is therefore abused more in an aircold.
Agreed it does probably suffer higher temperatures at times than a watercooled engine, but the engine also has fins and a fan to remove heat primarily.
Re: Dipstick length
Posted: 22 Jun 2013, 21:02
by kevtherev
your oil collects carbon in vast quantities from using petrol
unlike modern engines your old flat four does not deal with it well
carbon will grind away your bearing surfaces faster, the higher the carbon content.
...after six months the long chain molecules that help the mating faces slip across each other are vastly reduced as your oil loses its ability to lubricate
oil is cheap..engines are not.
6000 miles or six months
Re: Dipstick length
Posted: 22 Jun 2013, 21:17
by tobydog
Just making the point that two oil changes a year is not necessarily needed regardless of mileage. Does oil go off after six months and loose it's properties when it's out of the can? Does it oxidise or something.
PS
carbon - graphite (slippery)
carbon - diamond (very hard)
graphene - (interesting)
Re: Dipstick length
Posted: 22 Jun 2013, 21:41
by kevtherev
tobydog wrote:Just making the point that two oil changes a year is not necessarily needed regardless of mileage. Does oil go off after six months and loose it's properties when it's out of the can? Does it oxidise or something.
PS
carbon - graphite (slippery)
carbon - diamond (very hard)
graphene - (interesting)
graphite is not a byproduct of combustion...or the rest of your ps suggestions.
Oil collects water in an engine, it absorbs it, it's not a sealed can, water corrodes bearing faces.
...and oil prevents oxidisation on the bearing surfaces, allowed to drain the protection is lost
you change your oil when you like, I'll keep doing mine when VW says
ever heard of oil life monitors?
Re: Dipstick length
Posted: 22 Jun 2013, 21:52
by tobydog
Is it hygroscopic then?
I 'll better change the oil every month then before the engine drowns in the water that the oil's absorbed before it's boiled off after it's fortnightly run for thirty minutes.
Re: Dipstick length
Posted: 22 Jun 2013, 22:12
by kevtherev
ok tell us what you base your oil changes on..
then I can chuck a few smart comments at them
Re: Dipstick length
Posted: 22 Jun 2013, 22:15
by Plasticman
the last Dipstick i saw was about 5 foot 6 and driving a toyota today and wanted a right good slap
mm
Re: Dipstick length
Posted: 22 Jun 2013, 22:28
by tobydog
kevtherev wrote:ok tell us what you base your oil changes on..
then I can chuck a few smart comments at them
Sorry I thought this was a thread on dipsticks.
I base my oil changes on mileage and the type of journeys that I do. Won't say what oil I use, don't want to open that can of worms.