[tcb] Re: Anyone ever heard or seen this before? is it snakeoil ?
- From: Neil <nbmdude@xxxxxxxxx>
- To: tcb@xxxxxxxxxxxxx
- Date: Wed, 28 Nov 2007 08:55:38 -0800 (PST)
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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