[T3] Arc's sparks and missing the mark's

[William Jahn]

Keith , what I was asking is if you removed the valve itself or just the
bottom where the heater is.

William

On Thu, Jun 20, 2019 at 10:47 AM William Jahn <willjahn975 at gmail.com> wrote:

> just did the AAR on my 73 cut slots with a razor saw bent them up . what
> seemed to cause mine to stick open was a fine surface rust in the valves
> bore. I tried to clean the oil gunk out which carb cleaner spray did. The
> valve is stainless the valve bore is steel . I think it's the moisture
> which all air has no matter oil bath or paper filter . The moisture causes
> fine surface rust to form in the bore and scores it then this gives
> something for the oil gunk to cling to rather than pass by. I polished the
> valve and bore and then the valve moved freely. The only thing I didn't
> think to do was lube the valve. I wasn't sure if I should use a light
> coating of engine oil or thin grease. I can always place some oil on the
> valve even after I crimped it back together maybe SAE 40 so it does not
> leak down into the heating coil then just apply power to cycle the valve to
> allow the oil to lightly coat the bore just to prevent rust. I have not
> idea when made it they lubed the valve. The rust seems to take decades to
> develop . It's a fine rust yet abrasive enough to slightly score the bore
> and the valve. If I need to open it again I will not recrimp yet use small
> machine screws and perhaps a thin gasket . The most difficult part was
> getting the air filter end pipe back in place since it needs to be removed
> the clean the valve and bore.
>
>  Keith did you remove the valve?
>
> William
>
> On Mon, Jun 17, 2019 at 6:27 PM Keith Park <topnotch at nycap.rr.com> wrote:
>
>> Well I opened the heated AAR, its not difficult to roll the lip up with
>> the
>> right set of sharp end cutters, it looks worse than it is, then it opens
>> right up.  Jim is right, the adjustment controls length of time its open,
>> unlike the L jet kind.  I needed all the open hose could give me so I
>> dremeled out the slot opening as much as I could, cleaned and lube it and
>> put it back together with epoxy.  Just about right now, 1000 RPM idle when
>> started and warms up just fine.
>>
>> there is usually a way to make something do what you need if your willing
>> to
>> go all the way...
>>
>> Keith
>>
>>
>> Topnotch Restorations
>> topnotch at nycap.rr.com
>> http://www.topnotchresto.com
>> 71 Squareback  "Hothe"
>> 65 Notchback  "El Baja Rojo"
>> 93 RX7  "Redstur"
>> 95 Chrysler Cirrus Lxi "Cirfogsalot"
>> "hanging out at the tail end of the bell
>> curve, and loving every minute of it!"
>>
>> -----Original Message-----
>> From: type3-vwtype3.org [mailto:
>> type3-vwtype3.org-bounces at lists.vwtype3.org]
>> On Behalf Of Jim Adney
>> Sent: Saturday, June 08, 2019 10:02 AM
>> To: type3 at vwtype3.org
>> Subject: Re: [T3] Arc's sparks and missing the mark's
>>
>> On 7 Jun 2019 at 22:48, Keith Park wrote:
>>
>> > BTW, the automatic heated AAR's ARE adjustable, you just have to pull
>> the
>> > lip back to get them apart and that can be a bit of a challenge, but
>> once
>> > inside, it has the same adjustable slot that the engine heated T3 units
>> > do.
>>
>> That adjusts the full opening and closing temps, but not the amount of
>> air
>> that gets thru. I thought you were wanting more air, not just more air at
>> intermediate temps.
>>
>> There was a thread on thesamba about taking these apart a few years ago.
>> Interesting, but more work than most of us would ever want to go thru. I
>> was
>>
>> under the impression that the steel lip that had to be uncurled was
>> really
>> thick and strong; seemed like something that would fight you all the way.
>> I
>> didn't remember that there was an adjustment inside.
>>
>> I've never tried to open one. It just seemed like one of those things that
>> you'd
>> have to almost destroy to get it apart.
>>
>> --
>> *******************************
>> Jim Adney, jadney at vwtype3.org
>> Madison, Wisconsin, USA
>> *******************************
>>
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>
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