[T3] Cylinder Performance

Wed Jun 22 10:53:12 PDT 2011

My new Bosch wires were Barely long enough only when all were routed
the absolute shortest routes!

You might have a "worn unit", but you Don't have a "warn unit"!  ;-)

On Wed, Jun 22, 2011 at 10:33 AM, Adriel Rowley
<adriel_rowley at hotmail.com> wrote:
>
>
>
> ----------------------------------------
>> From: jadney at vwtype3.org
>> To: type3 at vwtype3.org
>> Date: Wed, 22 Jun 2011 09:02:17 -0500
>> Subject: Re: [T3] Cylinder Performance
>>
>> On 21 Jun 2011 at 21:06, Adriel Rowley wrote:
>>
>> > > From: jadney at vwtype3.org
>>
>> > > On 21 Jun 2011 at 16:01, Adriel Rowley wrote:
>>
>> > My new ones were fine in length.  I think it was just an accident, as it
>> > was about the length of the new's number three. ;)
>>
>> Are you saying that it was the OLD #1 that was short? If that's the
>> case, you would probably have to buy at least a new #1 wire and OG
>> dist cap end, unless you can pry the crimped end off the old one and
>> recrimp it.
>>
> What I am calling new is the new ones anyone can buy at a F.L.A.P.S..
> Their wire is a bit longer than the rebuilt from you; just found it a
> bit interesting. ;)
>
> How are the rebuilt ones have the wire replaced?
>
> [...]
>
>> > > > Anyone have an extra four pin T.V.S.? Been using a five, but switched to this four pin thinking it worked; now need to remember where I put it.
>> > >
>> > > A 5-pin is never an appropriate replacement for a 4-pin. That just
>> > > doesn't work. If you have your original 4-pin it is probably fine.
>> > > I've seen worn out 5-pins, but never a worn out 4-pin.
>> > >
>> > We have been down this road.  I used it for quite awhile, along with
>> > others, so not sure of the validation of that id does not work. ;|
>>
>> You can install it, force a connector onto 4 of the 5 pins, and drive
>> the car, but the pinouts of those 2 versions don't match up such that
>> the pin functions will be correct. So, yes, you can do it, but it
>> won't be doing the job it was meant to do.
>>
> So good then I have quit using it. ;)
>
>> > I am confused then with this statement: "If you see any sign of
>> > decreased resistance anywhere in the travel of the throttle, your TVS
>> > may be worn out."  So, I guess I do not understand the instructions
>> > clearly as all I want to do is check adjustment, not set it.
>>
>> That part of the instructions is for determining whether your TVS is
>> WORTH adjusting. If your TVS is worn out (something that seems only
>> to happen to the 5-pin version) then it should be replaced if it
>> fails that test.
>>
>> If you pass that test, you can move on to the later part of the
>> instructions that tell you how to adjust your TVS.
>>
> I seem to have instructions then testing...  I am somehow not getting
> exactly what you are trying to do.  Guess it is because of my Germanic
> background over analyzing and growing up wit a Sigma Pi Sigma that is
> a mechanical engineer. ;) l.o.l.
>
>> > "[...]slowly turn the TVS CCW until the VOM jumps from high to low
>> > resistance."  "Make sure the VOM goes to low resistance every time
>> > the pedal comes back to the idle position."  So, why do I have no
>> > resistance and no change in resistance, i.e. always 0 Ohms?
>>
>> If you're now quoting from the adjustment section, this would mean
>> that your TVS is out of adjustment. Since you're using the wrong TVS,
>> however, this is irrelevant, since it will not work correctly with
>> your '71 FI system. You'd be better off just disconnecting it.
>>
> Not sure how to make this clear, so only have the option of capitals...
>
> I AM NOT USING A FIVE PIN CURRENTLY.  I ONLY MENTIONED THE FIVE PIN
> BECAUSE OF THE NEED FOR A PROPPER FOUR PIN.  I AM ATTEMPTING TO ADJUST
> THE FOUR PIN, AND WHILE DOING SO, NOT GETTING THE RESULTS STATED IN THE
> WRITE-UP.
>
> I DO NOT KNOW WHICH SECTION YOU ARE CALLING WHAT.  I WOULD COPY THE
> STATEMENT, DOCUMENT SEARCH, THEN PASTE IT IN AND SEE WHERE IT IS, PLEASE.
>
> SO, I DO HAVE A WARN UNIT?  SHOULD I UNPLUG IT THEN?
>
>> > "Connect your VOM across the 2nd and 3rd pin of the TVS. Slowly open
>> > the throttle. You should see the VOM change from high to low
>> > resistance several times as the throttle opens but not as it closes.
>> > Repeat this test with the VOM connected to the 2nd and 4th pin."
>> >
>> > I got this to some degree, but no not recall for sure that I got 0
>> > ohms when closing.
>>
>> You are not supposed to see the zero ohms when closing. That's what
>> the word "not" means in the instructions above.
>>
> I DO NOT SEE A STATEMENT "NOT TO SEE 0 OHMS", BUT THANK YOU FOR
> CLARIFYING THAT I SHOULD NOT.
>
>> > "Finally, set your VOM to its highest resistance scale and connect it
>> > across the 2 bottom pins of the TVS. Slowly open and close the
>> > throttle several times while you watch the VOM. If you see any sign of
>> > decreased resistance anywhere in the travel of the throttle, your TVS
>> > may be worn out."
>> >
>> > This one got all sorts of strange readings.
>>
>> Not a good sign, but you don't want this TVS anyway.
>>
> Oops, left the caps lock on...  Sorry about that.
>
> So I was right in my thinking something was odd about this T.V.S.; guess
> sometimes I am right. ;) l.o.l.
>
>> > > Of course it's possible that your 4-pin was damaged by someone who
>> > > damaged it internally. That certainly happens, but there's no excuse
>> > > for it.
>> > >
>> > I believe I opened this one up, and all looked fine.  I open them to
>> > set the adjustment according to another fellows method, but wanted to
>> > compare the results.
>>
>> There's no harm in opening it up and looking inside.
>>
> Good to know.  Still have one to resolder somewhere around here, so
> have had a good look at what is what, and what can be damaged.  I
> find it fun to open them, as they all seem to have variations but the
> same Bosch number. ;/
>
>> I have several good used 4-pin TVSs, as well as some new ones. New
>> ones are pricey.
>>
> What are your prices?
>
>
> Thank you,
> Adriel
>
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