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  • Member For: 11y 1m 5d
  • Gender: Male
  • Location: Gold Coast

There is BUT it will have to run a standalone ECU.. and from what iv read so far isnt a real good option if ya still wanna control all the things we love.. lol

The Haltech unit is the go but isnt a cheap option in the long run with all the accompanying add ons we are requesting..

The Zeitronix unit is great.. well at what it does.. which is bugger all for our Xcal tuned cars except for being an overpriced gauge :D

Unless ya can use it for what its mostly designed for in feeding the data and using it appropriately its no more than a gimick ..

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  • Member For: 21y 8m 15d
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Having said all that, Bio E-Flex has been at 70% ethanol since it launched for NSW, Vic & SA. Qld has been at 73%. There has not been a change since the launch of the product.

Is this similar in WA. Who has tested it with a sensor?? E73 would be Stoich 10.5.

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  • Member For: 11y 1m 5d
  • Gender: Male
  • Location: Gold Coast

Cant comment buddy on that its only what the rep replied with sorry..

And from what iv researched with the expensive sensors they are a good % out too :/ hmmm..

Maybe its all a relative %% on what each sensor tests kinda like the glass testers..

Dont read too much into just let the machine do its thing and adjust from the %% it reads..???

Also something I remember when researching a while back is that the AFR gauges read E85 in a totally different format and "number" ..

The stoich will be the same but it reads differently from 5.7 - 11.9:1 .. im not really sure what it all meant just remember it had a weird scale for the AFR number..

Maybe someone can comment further ?

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  • Member For: 18y 6m 18d
  • Gender: Male
  • Location: @ my laptop

that is correct and why reading lambda is more accurate, especially if there is any doubt about the ethanol content or changing ethanol content

In my section I have a post called AFR Vs Lambda Readings, it might help explain things

Edited by ratter
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  • Member For: 18y 6m 18d
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  • Location: @ my laptop

Over priced gauge??? most gauges are overpriced, but I think tis gauge is pretty vital if using different fuels so you at least know the ethanol content of the fuel in the tank and either take it real easy or load a tune to suit.

The sensors appear accurate, the problem is Zeotronix changed the sensor that they were using, I appears there is a difference in output between the two types but consistent between sensors of the same style, the newer style appears to show a lower ethanol reading compared to the earlier style sensor which always showed United E85 as between 83-85%

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  • Member For: 18y 11m 27d
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  • Location: North West Hot Hell,VIC

Maybe the new style sensor is more accurate than the old one, given the information that Gun posted earlier from Caltex.

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  • RNS10S
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  • Member For: 18y 3m 29d
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No mate, the old sensor is accurate, the new sensor reads lower but still consistent.

New flow through sensor

null_zpsee95d102.jpg

e-flex (always reads between 64 and 66)

null_zpsaf09c116.jpg

United E85 (always reads between 78 - 80)

null_zps69dc7a75.png

I have posted what Gun posted a while back but as always most guys just read the last couple of pages of a thread.

If you are serious about using e-flex or E85 it would be a good idea to read the whole thread as there is some great info right from the start and covers most things you need to know about this fuel.

Edited by rednose
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