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speedo adjustments 

 

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 Post subject: speedo adjustments
Posted: Tue Dec 11, 2007 10:00 pm 
Tyre Shredder
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I was driving down the calder freeway (Vic) and just out side diggers rest rest they have a device so you can check your speed. i was doing 100km/h and the sigh said i was doing 106km/h.
i was wanting to know if there is a "Poor mans" way of Adjusting my speedo?
i don't want to really want to take it to a mechanic because A: it aint very high on my list of thing to do and B: they will prob charge $100-$200 if not more for the labour.

thanks
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Posted: Tue Dec 11, 2007 10:06 pm 
Tyre Shredder
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When you read your speedo subtract 6 ?

 

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Posted: Tue Dec 11, 2007 10:08 pm 
Getting Side Ways
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Install a Jaycar speedo corrector. Can be adjusted easily once fitted

Heres a tech doc i did when i installed one in my EF

http://www.trueblueford.com/discussion/ ... php?t=3187
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Posted: Tue Dec 11, 2007 10:11 pm 
Tyre Shredder
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...Dunkly wrote:
When you read your speedo subtract 6 ?


been doing that, but it gives me the s**t so i just want to speedo to say the right speed :D
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Posted: Tue Dec 11, 2007 11:33 pm 
Getting Side Ways
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Sunbury23,
This link might help you work out a speedo gear that will give you a more accurate reading. Gears are under $13 from Ford and take 15-30 mins and an 8mm spanner to fit if you've got car ramps and a jack.
http://www.fordmods.com/forums/documents.php?doc=30
Cheers
Paul

 

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Posted: Wed Dec 12, 2007 10:01 am 
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Once you have the correct speedo gear for your diff (maybe you have already), put your cluster into diagnostic mode http://www.fordmods.com/forums/documents.php?doc=12 and compare the digital speed to the actual speed, in my experience, it is pretty accurate with EF/EL's.

Then adjust your analogue pointer to match.

I'm a bit dubious about those highway speed indicators - here in NSW, I use the 5km (with 1km marked) test lengths and compare to the tripmeter.

 

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Posted: Wed Dec 12, 2007 5:17 pm 
Tyre Shredder
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snap0964 wrote:
Once you have the correct speedo gear for your diff (maybe you have already), put your cluster into diagnostic mode http://www.fordmods.com/forums/documents.php?doc=12 and compare the digital speed to the actual speed, in my experience, it is pretty accurate with EF/EL's.

Then adjust your analogue pointer to match.

I'm a bit dubious about those highway speed indicators - here in NSW, I use the 5km (with 1km marked) test lengths and compare to the tripmeter.


i was reading on fordmods and just got back from a bit of a drive with the car on diagnostic mode, if it is accurate my speedo is about 4-6km/s slow. and at one point the cluster just died for 2-3 secs, all the gauges turned off and back on and when it did it was back on the Odometer.
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