Date: Wed, 30 Jul 2014 18:23:04 -0500
Reply-To: Ralph Meyermann <ralphmeyermann@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Ralph Meyermann <ralphmeyermann@GMAIL.COM>
Subject: Re: Crazy idea?
In-Reply-To: <53D97860.30707@cox.net>
Content-Type: text/plain; charset=UTF-8
Mine is a push on, never know with the po on what that idiot did? Always
looking for morE mistakes
Velma 82 1.9L AAZ TD Westy
On Jul 30, 2014 5:57 PM, "mark drillock" <mdrillock@cox.net> wrote:
> Well the GW site has plenty of factual errors mixed in with lots of good
> info.
>
> The speedo cable on 2wd is driven by the left front wheel, not by the type
> of fuel in the tank. Diesels used the same wheels and tires as the gas
> models. The cable rotational speed calibration number is marked on the face
> of the speedo, by the needle shaft. Same number, gas and diesel. 805 for
> mph speedos with push-on cable.
>
> As another example of factual errors, that speedo listing at GW says that
> 80-83 speedo use a screw-on cable. In fact 80 and 81 did. Based on the
> many 82 and 83 vans I have owned and worked on they use the later cable. I
> am looking at a couple of my spare speedos right now, marked with 5/82 and
> 6/82 date stamps on the back and push-on cable fittings. Also if you look
> at the VW Factory Parts Data they show that starting with vin#000001 of 82
> model year the speedo uses the newer type cable attachment. Of course the
> factory parts listings can have mistakes too but my experience matches VW
> in this case. What about your speedo, screw-on or push-on cable attachment?
>
> Mark
>
> Ralph Meyermann wrote:
>
>> I dunno, just what I read on GW about theirs.
>>
>> Velma 82 1.9L AAZ TD Westy
>>
>> On Jul 30, 2014 12:02 PM, "mark drillock" <mdrillock@cox.net
>> <mailto:mdrillock@cox.net>> wrote:
>>
>> The speedos are the same so I assume you mean the tachs. The gas
>> tach gets pulses from the ignition coil and diesels don't have
>> ignition coils. The diesel tachs from the Vanagon era use a much
>> different signal from the alternator "W" lead.
>>
>> Mark
>>
>>
>> Ralph Meyermann wrote:
>>
>> I think the diesel one hooks up different or the pod is somehow
>> different. I went from a 185/75/14 to a 215/75/15, just by
>> guessing/eyeballing I'm about 5 faster than Speedo shows. I
>> would like
>> to keep up on my mpg while tuning my fuel/boost for happy oomph,
>> temp
>> and fuel economy without over taxing my Power Plant. My phone
>> doesn't
>> have good enough signal to use its gps
>>
>> Velma 82 1.9L AAZ TD Westy
>>
>> On Jul 30, 2014 7:33 AM, "mark drillock" <mdrillock@cox.net
>> <mailto:mdrillock@cox.net>
>> <mailto:mdrillock@cox.net <mailto:mdrillock@cox.net>>> wrote:
>>
>> The "W" factor has to do with the tachometer, not the
>> speedo. The speedo
>> and odometer are driven by a cable that does not know or
>> care what
>> engine the vehicle has or even that it has an engine.
>>
>> Mark
>>
>>
>>
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