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 butidontunderstand
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| posted on July 7th, 2005 at 06:38 PM |
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Unleaded or Premium?
Is it better to put premium petrol in my fasty rather than unleaded? And should I be adding the lubricant to both types, or just unleaded? Im new to
the car scene so any advice would be great :-) |
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crewcabconnection
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| posted on July 7th, 2005 at 06:41 PM |
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Premium unleaded in my 2.0 Bus mate for sure. LRP is shite. Had no hassles at all with it in 4 years.
Loves a lolcat
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Midlife crisis
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| posted on July 7th, 2005 at 06:42 PM |
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I use premium unleaded with no additive in my fastie and beetle, and have had no problems so far. My fastie has had it for the past 2 years.
Kathy
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Special Air Service
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| posted on July 7th, 2005 at 08:50 PM |
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premium in my beetle no additive, I get more kms out of a tank so it works out about the same $. been doing so for about six months with no noticable
valve problems
[size=5] Calling all NSW Mid North Coast Veedubbers
Click Below [/size]
[size=6]Mid North
Coast VW [/size] |
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Dave-super74
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| posted on July 7th, 2005 at 09:24 PM |
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I have been using standard unlead since 2001 in my superbug.
No additives at all.
I may try the premium unlead just to see the results.
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VDUBXTC
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| posted on July 7th, 2005 at 10:29 PM |
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Dave try the premium mate.
the regular unleaded hasn't got enough octane rating.
just go the premium with or without aditive your choicenn[ Edited on 7-7-2005 by manx_xtc ]
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twoguns
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| posted on July 7th, 2005 at 10:35 PM |
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i have a new built in da splitta and was told to use premium.
ever since i run the same accros my fleet. stock or modded.
Simply Cruzin'...
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 helbus
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| posted on July 8th, 2005 at 12:07 AM |
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Water
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NigeType3
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| posted on July 8th, 2005 at 12:06 PM |
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Their was a dedicat speal on this subject some time ago by someone who new heaps about this stuff.
But the basic gist is the VW started running hardend valve seats in the 60's so don't need the lead in the petrol to lube them and it depends on
your compresion ratio as to how much octain you need. Modified engines generally run higher CR's so be safe and run 98ron fuel. Were std 40hp motors
should be able to run regular unleaded.
This is just a basic understanding of what I have read on this forum I am by know means an expert on this subject.
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Warrenm
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| posted on July 8th, 2005 at 07:24 PM |
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Seats can be OK -it seems to be guides that are problem without additive,
I use premium in 2 litre Kombi and 280E MB with splash of additive occasionally.
No problems in 2 years. Vortex does not seem to be as good.
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tassupervee
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| posted on July 8th, 2005 at 08:19 PM |
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| Quote: | Originally
posted by Warrenm
Seats can be OK -it seems to be guides that are problem without additive,
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Whats the rationale here??
This i gotta hear!!E:vader
L8tr
nn[ Edited on 8/7/05 by tassupervee ]
Im not a complete idiot, quite a few parts are missing....
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oval TOFU
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| posted on July 8th, 2005 at 08:56 PM |
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so, you might as well use the 98 RON? not 95 RON?
...and Robert's ya father's brother...
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Warrenm
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| posted on July 8th, 2005 at 10:41 PM |
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| Quote: | Originally
posted by tassupervee
| Quote: | Originally
posted by Warrenm
Seats can be OK -it seems to be guides that are problem without additive,
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Whats the rationale here??
This i gotta hear!!E:vader
L8tr
nn[ Edited on 8/7/05 by tassupervee ]
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I understand the valve guides are not hardened.
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tassupervee
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| posted on July 9th, 2005 at 05:41 PM |
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| Quote: |
I understand the valve guides are not hardened.
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Nah dude, nothing to do with the valve guides.
The guides are kept alive with engine oil.
Its purely the valve seats that can suffer due to the lack of "cushioning" effect, one of the useful properties of tetraethyl lead.
l8TR
e
Im not a complete idiot, quite a few parts are missing....
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toplessbug
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| posted on July 9th, 2005 at 06:08 PM |
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what he said , remember vw specify 91 octane(ron)which coincedently is what aus produces as standard unleaded,this will suffice for stock engines
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