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Home » Public Forums » GMCnet » [GMCnet] Reviving the Cad 500  () 1 Vote
Re: [GMCnet] Reviving the Cad 500 [message #163313 is a reply to message #163309] Sat, 17 March 2012 20:25 Go to previous messageGo to previous message
Kosier is currently offline  Kosier   United States
Messages: 834
Registered: February 2008
Karma:
Senior Member
Ken, Ken, Ken......

Don't you know all Goop is the same. So, if no one sees your
tube, then
it is definitely Mechanic's Goop. Maybe, you could even claim
Engineer's
Goop. Worth a try!

Gary Kosier

----- Original Message -----
From: "Ken Henderson" <hend4800@bellsouth.net>
To: <gmclist@temp.gmcnet.org>
Sent: Saturday, March 17, 2012 8:40 PM
Subject: Re: [GMCnet] Reviving the Cad 500


> Ken,
>
> You've warmed the cockles of my heart (whatever the heck that
> means!).
> Now I don't feel nearly as bad about my week with all it's
> defugalties.
>
> Today went a little better:
>
> I tackled the shorted VSS. Turns out, I'd had to work on it
> once
> before. There are 3 leads (+12VDC, Gnd, Output) coming out of
> a small
> molded plastic housing which contains the Hall Effect sensor
> and
> whatever other circuitry. Those wires have VERY heat sensitive
> insulation and are of larger than necessary gauge. When I
> worked on
> it before, the length of the accessible wires was left at about
> 5/16".
> There is no residual insulation on any one of the 3 wires --
> just one
> glob through which the wires run. I was able to spread the
> wires 120*
> apart and solder new long leads to them without creating a new
> short
> -- at least for now. Then I covered the whole mess with Shoe
> Goop
> (Yes, that's what I said -- it's good stuff for lots of things
> and
> sets up fast). Then put a couple of layers of shrink tube over
> each
> wire, extending down into the Goop. Finally, several layers of
> shrink
> tube over all 3 wires and the exposed portion of the housing.
> MAYBE
> it will hold up down there under the exhaust manifold. Or
> maybe I'll
> soon re-install a short speedometer cable to position the VSS
> in a
> cooler area.
>
> For the first time, I disassembled the whole VSS. Its housing
> consists of two shells sealed with a gasket and held together
> with 4
> machine screws. In one half is a wheel containing magnets
> oriented
> perpendicular to the above mentioned sealed module. As one
> pole of a
> magnet passes the Hall Effect sensor, the output line is Set.
> When a
> pole of the opposite polarity passes, the output line is Reset.
> So,
> the establishment of the "2-pulse" or "4-pulse" or other rating
> is
> determined by the number of magnets in the molded magnet
> wheel -- sort
> of like the Pertronix ignition modules. It's easy to test --
> don't
> need the 'scope or rotary driver I've used in the past: Just
> supply
> power and monitor the output with an analog meter -- or
> possibly a
> test lamp or LED.
>
> Another good event today: I installed the E8094 fuel pump.
> 17psi max
> vs the 125 psi max E8228. I'd expected to have to touch up the
> regulator setting. Nope. It runs just fine as-is. During a
> subsequent test drive, I even did a full-throttle hill climb
> which
> called for 96% injector duty cycle -- no sign of any
> starvation. I'm
> happy.
>
> We'll be making a 200 mile test run tomorrow for Jerry
> Holloway's
> birthday party. If all goes well, we'll head for Shawnee on
> Tuesday
> AM.
>
> Ken H.
>
>
> On Sat, Mar 17, 2012 at 7:46 PM, Ken Burton wrote:
>>
>>
>> It is always something extra going wrong.
>>
>> I went out today to replace the engine battery in my airplane
>> and take a flight of about 100 miles. Â It should ave been a
>> 15 minute job. Â I immediately got stuck working on two chain
>> saws for a friend who showed up unannounced which put me a
>> several hours behind schedule.
> ...
>> So, Do not feel bad Ken. Â Nothing ever goes right for me
>> either.
>> --
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