[tcb] Re: Anyone ever heard or seen this before? is it snakeoil ?
- From: Will Wood <evilscientistboo@xxxxxxxxxxxxx>
- To: tcb@xxxxxxxxxxxxx
- Date: Wed, 28 Nov 2007 12:45:25 -0600 (GMT-06:00)
Then again, during WWII fuel rationing a "fuel saving measure" was to put a
piece of wood, like a 2x4, under the gas pedal.. ;-)
-----Original Message-----
>From: Neil <nbmdude@xxxxxxxxx>
>Sent: Nov 28, 2007 10:55 AM
>To: tcb@xxxxxxxxxxxxx
>Subject: [tcb] Re: Anyone ever heard or seen this before? is it snakeoil ?
>
>One of my stepdad's good old boyz buddies said he
>dumped a cup of tranny oil in the tank to lube to top
>end every now and then...Thoughts on this? Anyone
>heard of anything similar?
>--- sammie smith <bugcollections@xxxxxxxxxxxxx> wrote:
>
>> Probably not worth the cost. If you want some upper
>> cylinder lube dump some oil in the gas tank.
>>
>> Mark Sawyer <mechmark@xxxxxxxxxxxxx> wrote: So what
>> is the answer from the more experienced (I wasn't
>> going to say older) VWers about whether the oiler is
>> a good idea or not???
>>
>> sammie smith <bugcollections@xxxxxxxxxxxxx> wrote:
>> In some cases tight is good but not in VW valve
>> adjustment.
>>
>> Brian Denning <i_am_cool_fred@xxxxxxxxxxx> wrote:
>> .hmmessage P { margin:0px; padding:0px }
>> body.hmmessage { FONT-SIZE: 10pt;
>> FONT-FAMILY:Tahoma } everytime i run my valves i
>> notice hardley any difference in the feeler gauge
>> from what they were set on...perhaps this is because
>> i do it about once a month (600 miles tops). i was a
>> bit concerned with that untill i was told that is a
>> good thing that a tight valve is the no bueno type
>> situation
>>
>>
>> ---------------------------------
>> Date: Wed, 28 Nov 2007 07:19:25 -0800
>> From: bugcollections@xxxxxxxxxxxxx
>> Subject: [tcb] Re: Anyone ever heard or seen this
>> before? is it snakeoil ?
>> To: tcb@xxxxxxxxxxxxx
>>
>> Where there are engineers there are always lots of
>> opinions. Both Steve and Denis should be able to
>> speak with experience on trashed valves.
>>
>> Will's right about watching the adjustment; and if
>> one keeps getting tight on you it's a darn good idea
>> to pull the head before catastrophe happens. I used
>> to have a VW powered airplane (Evans VP-1) and after
>> every 50 or so hours of flying time I would yank the
>> heads and replace all exhaust valves.
>>
>> Will Wood <evilscientistboo@xxxxxxxxxxxxx> wrote:
>> The kit is similar to the Marvel oiler. The Marvel
>> oiler in my opinion
>> has better control but top end cylinder lubrication
>> is always a good
>> thing. Water injection will also give you similar
>> results but it's more
>> difficult to control.
>>
>> It definitely helps a Judson Engine stay alive but I
>> don't know if I
>> agree about all of the other statements they make in
>> their ad.
>>
>> >> Exhaust valve seat recession can result, a
>> >> condition where valve and seat materials adhere
>> to and erode each
>> >> other, with the valve migrating up
>> >> into the head.
>>
>> If you severly overheat the engine or have crappy
>> heads or valve work
>> done this can also happen which is more common.
>> Running the engine
>> lean, bad timing or heavy loads all contribute to
>> the heat issue. The
>> 10% Ethanol in Gas doesn't help either since it
>> leans out the mixture.
>>
>> >> As this occurs, valve stem to rocker tip
>> clearance is reduced. If
>> >> this clearance reduces
>> >> to zero, the valve no longer closes, resulting in
>> a burned valve.
>>
>> That's why you adjust your valves... Valves have
>> more of a tendancy to
>> stretch from fatigue. Any time you have a valve
>> "tighten up" it is a
>> cause for concern since normally the clearance
>> should stay relatively
>> the same.
>>
>> If you run moly pushrods you should run them "loose
>> zero" since the
>> engine expands as it warms up. Steel doesn't expand
>> like aluminum does.
>>
>> Any valve failure can occur if the parts are
>> questionable. Like reusing
>> exhaust valves which result in the most damaging
>> catastrophies. Even if
>> you have great parts it can happen. I lost a seat in
>> a set of CB Street
>> Eliminators after 1200 miles on the engine. I also
>> know of another
>> person who had two valve guides come loose and the
>> seating area cracked
>> around the guides on a brand new set of CB heads
>> after 900 miles on the
>> heads. This isn't inexpensive stuff either...
>>
>> My rule of thumb on a street engine is every 35-40K
>> miles the heads come
>> off and the exhaust valves are replaced along with a
>> valve job.
>>
>>
>>
>> On Wed, 2007-11-28 at 02:46 -0600, Trey Jung wrote:
>> >
>> > http://www.ampcolubes.com./vw.html
>> >
>> >
>> > There's an ad on thesamba.com too .......... Just
>> wondering....
>> >
>> > Trey
>> >
>> >
>>
>>
>>
>>
>>
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>>
>
>
>
>
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