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Author: Subject: AFR setup
craig_007

posted on 7/11/09 at 02:33 PM Reply With Quote
AFR setup

As title,I'm looking for a good AFR set up.

Craig

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piddy

posted on 7/11/09 at 02:59 PM Reply With Quote
I think you may have to be a bit more specific i.e. what engine and it’s spec and what ecu etc.
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SeaBass

posted on 7/11/09 at 03:02 PM Reply With Quote
I've got an AEM unit with digital gauge that outputs 0-5v into an Emerald ECU in adaptive mode. It's mapping itself to a target AFR with a few tweaks from me. Very happy with its performance so far. Engine Zetec with ZX12 TBs runs sweeter than ever.

JC






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woolly

posted on 7/11/09 at 03:15 PM Reply With Quote
depends if you want for and how much to spend
diagnostic and tuning
permanent fitting and display
or connecting to ecu

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craig_007

posted on 7/11/09 at 03:59 PM Reply With Quote
Sorry,A bit sparce on info there !!

It's for setting up the fuelling on Mi16,It's got bike carbs and I just want to be sure it's right.

Would need to be a wideband afr just to monitor fuelling.

Craig

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woolly

posted on 7/11/09 at 04:35 PM Reply With Quote
yes it has to be wideband
the least cost was JAW just buit one and fine for the money as a diagnostic tool. for $135
http://14point7.com/

but would have liked a inovate LC1 but that would have been £165 needs a lap top to view

cheaper than a rolling road set up if you want to put the time to it.

woolly



http://www.innovatemotorsports.com/

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SeaBass

posted on 7/11/09 at 04:36 PM Reply With Quote
quote:
Originally posted by craig_007
Sorry,A bit sparce on info there !!

It's for setting up the fuelling on Mi16,It's got bike carbs and I just want to be sure it's right.

Would need to be a wideband afr just to monitor fuelling.

Craig


Almost pointless. Standard Narrowband sensors won't give you any information that is useful and you'd not be able to tell what was happening in Load & RPM situations anyway.

I'd suggest spending the money on a rolling road session with someone who knows bike carbs.

JC






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craig_007

posted on 7/11/09 at 05:02 PM Reply With Quote
Thats the problem,Not many guys up here are good with bikecarbs and R/R.

I don't see it being a problem setting up fuelling with a wideband afr and different loads whilst on the road .

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matt_gsxr

posted on 7/11/09 at 06:15 PM Reply With Quote
LC-1 shipped from the US is the cheapest way of doing this. About £130 and it comes with the expensive sensor, although I can't remember whether that included the import duty (which you seem to end up paying these days). I got mine from these guys, map_performance a while to ship but it arrived in the end.



If you don't want to tie-up a lap-top then once you have programmed it (you do need an old computer for this), then you can monitor the analogue output lines with a voltmeter. You can set the calibrations up. Then tape the voltmeter to your steering wheel (locost!).

Once it all works you can sell on the LC-1.



Matt

[Edited on 7/11/09 by matt_gsxr]

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JoaoCaldeira

posted on 10/11/09 at 11:52 AM Reply With Quote
I'm using an LC-1, with SSI-4 to gather RPM and TPS.
Great tuning tool with an old desktop!!!

I'm now thinking about buying 4 EGTs to join to a TC-4 and have a more consistent picture (not the whole engine, but each cylinder )

Joao






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