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Impco Sequent 56 -BRC tuning software
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Administrator
Posted 8/1/2012 11:13 (#13983)
Subject: Impco Sequent 56 -BRC tuning software



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Location: An island off southern Tasmania.		This is the application software for installation and maintenance of the Sequent 56 LPG kit as well as others.

It requires that you posess the security dongle...which i have.



Attachments
----------------
Attachments BRC SEQUENT 56 115 latest software.rar (10396KB - 1780 downloads)
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Administrator
Posted 16/4/2012 22:00 (#14224 - in reply to #13983)
Subject: Re: Impco Sequent 56 -BRC tuning software



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Location: An island off southern Tasmania.		I forgot to add the utility software for the USB to serial adapter that comes with the kit.

Here it is now...



Attachments
----------------
Attachments impco utility.rar (13649KB - 922 downloads)
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Telpat16
Posted 12/12/2013 11:48 (#15934 - in reply to #13983)
Subject: Re: Impco Sequent 56 -BRC tuning software



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Location: NEWPORT QLD		Hi John

I just got hold of Ver 1.16

Good news - no dongle needed anymore!

I am in fine tuning heaven, after 3 or 4 adjustments my Long term fuel trim has gone form -13% to plus 4% so I am zeroing in!

And (fingers crossed) the lean idle CEL has not re-appeared!
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Administrator
Posted 12/12/2013 14:57 (#15935 - in reply to #15934)
Subject: Re: Impco Sequent 56 -BRC tuning software



Frequent flyer Gold

Posts: 1092
10005025555
Location: An island off southern Tasmania.
Telpat16 - 12/12/2013 11:48

Hi John

I just got hold of Ver 1.16

Good news - no dongle needed anymore!

I am in fine tuning heaven, after 3 or 4 adjustments my Long term fuel trim has gone form -13% to plus 4% so I am zeroing in!

And (fingers crossed) the lean idle CEL has not re-appeared!



Feel free to upload it here as multiple rar files of 20mb
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Telpat16
Posted 12/12/2013 17:02 (#15937 - in reply to #13983)
Subject: Re: Impco Sequent 56 -BRC tuning software



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Posts: 108
1005
Location: NEWPORT QLD		Here are the files:




Attachments
----------------
Attachments USB Cable Driver.rar (3173KB - 1020 downloads)
Attachments Sequent 56_116.rar (16039KB - 1600 downloads)
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Administrator
Posted 12/12/2013 22:03 (#15938 - in reply to #13983)
Subject: Re: Impco Sequent 56 -BRC tuning software



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Posts: 1092
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Location: An island off southern Tasmania.		cheers mate, that will be a big help to someone!
Do you have the cable pinout diagram as well?
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Telpat16
Posted 13/12/2013 15:42 (#15939 - in reply to #13983)
Subject: Re: Impco Sequent 56 -BRC tuning software



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Posts: 108
1005
Location: NEWPORT QLD		I don't have pinouts but I doubt it would help as cable includes a blackbox with circuitry inside

Lot on eBay

Search BRC sequent cable and depending on whether u want USB or serial etc there is a big choice

eg

http://www.ebay.com.au/sch/i.html?_from=R40&_sacat=0&_nkw=brc+sequent+cable&rt=nc&LH_PrefLoc=2


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Administrator
Posted 13/12/2013 23:49 (#15941 - in reply to #13983)
Subject: Re: Impco Sequent 56 -BRC tuning software



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Location: An island off southern Tasmania.		I think I have the serial cable and its tx/rx crossed over and ground pin passed through....using xon/xoff protocol.

But a lot of laptops no longer have a serial port.
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Telpat16
Posted 14/12/2013 13:26 (#15942 - in reply to #13983)
Subject: Re: Impco Sequent 56 -BRC tuning software



Frequent flyer Gold

Posts: 108
1005
Location: NEWPORT QLD		My laptop has no serial - but I have two adaptors - USB & Express card



(IMG_0165.jpg)



Attachments
----------------
Attachments IMG_0165.jpg (292KB - 633 downloads)
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Telpat16
Posted 11/1/2014 13:38 (#15983 - in reply to #13983)
Subject: Re: Impco Sequent 56 -BRC tuning software



Frequent flyer Gold

Posts: 108
1005
Location: NEWPORT QLD

Back from Xmas trip to BNE and Sunshine Coast. No CEL's

Have now done about 15 iterations of Sequent tuning using the map refining feature. I find I have now, in total, moved the setting -23% from what it was, with result my long term fuel trim (LTFT) as per the petrol ECU now sits at about -2% at 110 kmh cruise control on highway and about +5% around then city.

Much better than the previous LTFT of -14% which was triggering the CELs!

Not sure if I want to fiddle with main LPG ECU map to sort that out!

We did just under 3000 km, with an LPG average of 12.1 l/100k, equivalent to 9.7 l/100k (based on typical LPG/Petrol energy ration of 1.25 - which of course varies a bit depending on local propane/butane proportions in the mix)

Car feels to be running very smoothly - but will monitor a bit more around town and decide if I need to tweak it a little more.



Edited by Telpat16 11/1/2014 13:47
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