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Retro fit Type Pressure Monitoring ?

Well they arrived this morning, fitted & working this tea-time. Pretty impressed so far. The sensors look well made and fitted in to the wheel without problem and the valve stems aren't really any longer than standard. The display unit is nice and small and comes with 2 pieces of velcro to attach it with.


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ORIGINAL: daro911

ORIGINAL: P1BSW

Just a quick update.

Yesterday whilst researching (Googling) this problem I came across this :

http://www.schraderelectronics.com/ProductDetailsPage.aspx?product=7

I've resigned myself to the fact that I'm going to have to go for an in-tyre sender because the external ones are clearly going to be too big but wanted a read out that didn't need to be either hard wired or fed by a cable from the cigarette socket. This seem to fit the bill and I found some good reviews of it.

I then found them available on eBay from a motor sport place in Wales at £149.99 or offer. I offered £125 and the guy has agreed. I've paid and will report back when it arrives and I've had it fitted. He has some more so if it's success I'll post details (if that's allowed on here).

Edited: To fix link
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Well done looks like you might just have cracked this one [;)]

Please let me know as I was about to bite the bullet and go with possibly the wrong system [:D]
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Speed sensors rated to 125MPH[:D]

 
ORIGINAL: EXY27


Speed sensors rated to 125MPH[:D]
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Yes I was curious about that. Having just spent a few days in Germany often at speeds greater than that, what happens above 125? Do they just stop working above 125 or do they stop working altogther?
 
At least with this type I take it the valve is closed and pressure monitored internally with an external reference pressure for datum. Which in case of failure would be considered failsafe.

Much safer than the type which holds the valve open to monitor directly on the cap. The only way the external type can operate, I have heard of one of the coloured valve cap type failing and causing a deflation on a motor bike.

So any faults even above 125 MPH it shouldn't allow deflation of the tyre. What speed is the Porsche TPMS rated for?
 

ORIGINAL: Mark Bennett

ORIGINAL: EXY27


Speed sensors rated to 125MPH[:D]
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Yes I was curious about that. Having just spent a few days in Germany often at speeds greater than that, what happens above 125? Do they just stop working above 125 or do they stop working altogther?
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I imagine it would that it might still work but not be totally accurate. Since I don't plan to take the car to Germany or on a race track I'm not really bothered by this "shortcoming". One thing I am certain of is that it won't cause an accident something an under inflated tyre easily could.
 
ok, can anyone recommend a TPM system that can monitor above 125mph? For myself 160+ would be required, but obviously others have faster cars[:D]

Having picked up a nasty puncture on the same trip, thankfully on the slower roads in Austria, I am seriously interested in a good TPM system.
 
Just a piece of caution on the TyrePal system. As people above have noted the caps are quite large. The problem I found was that, with rubber valves, the weight of the caps causes the valves to bend towards the rim with the centrifugal force as the wheel spins. So the edge of the large cap rubs on the rim and etches the lacquer away. Fortunately I discovered this at a time when I was just about the get the wheels refurbished anyway. With metal valves this is not a problem. Now have Tyresure on my two cars and Tyrepal on my Transit (which came with metal valves). Happy with both.

Has already paid for itself just in terms of spotting a slow puncture day before I was using car to get to airport for an early flight.
 
I see that the Orange TPMS has an iPhone app. Has anyone tried it? Any good? Would it work with the Tyresure version?

Also, will fitting an after market TPMS really invalidate the Porsche Warranty?
 
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