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VSS Triggering

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Smiley Veteran Volks Folk

2,125 posts · joined Oct 2008 ·

#883109
I thinking of fitting an electronic speedo to my Baja. I'm starting to get sick of muddy water finding it's way into the wheel bearings because of the cable.

I have a brand new VDO Electrical Speedo here which can be used with a number of triggering types.

I've made the decision to go with an oscillator sensor.

For all those of you that are running a VSS can you please post some pictures and info on how you have you sensor set up to read?

I've seen people mount them so they read off the heads of the CV bolts on the rear. This would be a plus cause I can mount it on the gearbox so it doesn't have to bounce around on the suspension. But the big issue i run into with fitting it to the rear wheel is that I frequently drop my tyre pressures when offroading, this can vary the diameter of the tyre by quite a bit and throw the speedo out.

This is why I'm leaning towards fitting it to the front. It'll move with the suspension but I don't let my front tyres down as often, and when I do it isn't by as much.

The idea I have it to fit it so that it is inside the disc rotor and reading onto the back of the studs that are pressed into the disc.
What are peoples thoughts on this?

Any help is appreciated.



Smiley 🙂
If you said I was a Volkswagen man, you'd be right.

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 ·

#883187
The inductive proximity sensor I used for mine is supposedly weather proof.

All I can say is its been getting saturated every time i drive in rain or wash the car for the last 2 and a half years and is still working fine.

You could mount it inside the front hub to sense the wheel studs if there is enough room there, they are abit long.

Smiley Veteran Volks Folk

2,125 posts · joined Oct 2008 ·

#883249
Can you remember where you picked yours up from??

I'm going to be running the Commodore front discs so they have a little more room inside them then the Beetle stuff.


Smiley 🙂
If you said I was a Volkswagen man, you'd be right.

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 ·

#883298
Yep I picked it up on ebay.

The seller was http://myworld.ebay.com.au/veederline/ but he doesnt have any listed but if you sent an email he could probably line one up

If not just search Inductive proximity sensor on ebay.

Mine was NPN (negative pulse) and keeps both the Subaru engine management and my digital Head up speedo display happy and accurate with 5 pulses per wheel revolution.

Camo Custom Title Time!

1,936 posts · joined Oct 2007 ·

#883309
Don't worry about all the stuff above, just get one of these and you're set 👍

http://www.ebay.com.au/itm/Speedhut-GPS-Speedometer-300kmh-Odometer-Trip-and-more-/370574827057?pt=Motors_Car_Truck_Parts_Accessories&hash=item5647fb1e31

No need to worry about a cable, sensor or even a pickup. And don't forget all the added bonus' you get.

Kev
I thought rebuilding a VW would be cheap - Shit I was wrong, just don't let the wife know !!!!

Click here for my (slowy) modded 1961 Beetle build.

Craig S Wolfsburg Wizard

635 posts · joined May 2008 ·

#883317
What I've decided to do with mine (and I'm in the process of buying),is keeping the stock speedo in it's position (keeping in mind dash modifications for a 1303 are a pain), and adding one of these babies to it:

http://www.gpsspeed.com.au/GPS%20with%20Odometer.html

I just haven't figured out where I'll mount the antenna yet. Either on the dash (which fortunately a 1303 actually has), or on a bumper bracket.

Keeping the stock speedo will allow me to know what speed I'm doing in tunnels where the GPS will die, especially seeing I'll get some idea of its accuracy when compared to the GPS in normal use.
1969 Beetle - June
1974 L Bug - Gwendolyn
2002 Bora V6 4Motion - Anita

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 ·

#883379
I'm skeptical of those GPS speedos.

I know just with my ordinary GPS speed is sometimes effected by tunnels, buildings even big hills etc like Craig mentioned.

Even just going up and down steep hills can make it read slow.
Works well on the flats though.

1303Steve Scirocco Rare

8,650 posts · joined Aug 2002 ·

#883392
Hi

I really like Joel's HUD, my GPS is hopeless in the city and sometimes it has trouble locating satellites on startup on a murky day.

On my sons bug I used a SPA speedo, it came with a pickup and magnet, Im using a simlar speedo in my other bug and it uses the a VDO VSS that is also used for the Subaru motor.

Steve

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Craig S Wolfsburg Wizard

635 posts · joined May 2008 ·

#883395
For the time being I'm just going to run with a 52mm tacho and oil pressure and temp, which can fit in the gauge panel of the 1303. At this point I've run out of cash for anything more fancy for the dash. My grandiose plans have a habit of hitting reality! Once the money tree regrows and I get the rest of the interior done then maybe I'll get fancy, but if I'm happy with how it's all working I might just leave it.

Thread will now return to OP topic. 😀
1969 Beetle - June
1974 L Bug - Gwendolyn
2002 Bora V6 4Motion - Anita

Smiley Veteran Volks Folk

2,125 posts · joined Oct 2008 ·

#883446
Camo wrote:Don't worry about all the stuff above, just get one of these and you're set 👍

http://www.ebay.com.au/itm/Speedhut-GPS-Speedometer-300kmh-Odometer-Trip-and-more-/370574827057?pt=Motors_Car_Truck_Parts_Accessories&hash=item5647fb1e31

No need to worry about a cable, sensor or even a pickup. And don't forget all the added bonus' you get.

Kev
The only problem with this is that my car doesn't even see half of the speed that the speed goes up to!!😂😂

Plus I was also a little skeptical of the GPS unit to work properly at all times.

Plus I really don't want to spend that much money. I already have the VDO gauge which came with another car that was an unfinished project. It's brand new. And all I basically need to do is buy a sensor and make a mount, then wire it up. Then find something that it's happy to read off.

Thanks to everyone for their suggestions, lets keep this thread rolling.


Smiley 🙂
If you said I was a Volkswagen man, you'd be right.