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6th August 2019, 00:46 | #1 |
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MG ZT-T Join Date: Jun 2016
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Pencil Coil Conversion-V6?
Here's a question, Is it possible to convert a car (Mine is a ZT190) with the early style coils (3 pencil, 3 short) to the later style 6 pencil coils?
I would like to change to the later Beru coils and get rid of the HT wires. I have a late Freelander engine harness that I could strip the coil wiring out of. Would it be as simple as pulling the existing pins out of the ECU connector and plugging the pins from the new harness or are there more substantial mods needed?
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ZT-T190, Anthracite, LHD, Left the Line on June 24, 2002, Sold new in Switzerland, spent time in Germany, Imported to Canada in September 2021 |
7th August 2019, 11:31 | #2 |
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I have a feeling that the ZCS codes need changing.
Brian/Phil/Others may be able to confirm. Regards Chris
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Now offering T4 services in the Fareham area Replacement keys programmed / supplied / cut Diesel 135 upgrade available IPK virginisation and T4 matching available Sorry, due to a big change in home circumstances, I am unable to do any large jobs at present, but can still offer evening time diagnostics. |
7th August 2019, 18:03 | #3 |
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I think you're right. Phil-T4 found that one of my early ZT-Ts was coded for the later style coils. This seemed to show a slight misfire on the real time T4 display. Phil corrected the issue.
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7th August 2019, 19:36 | #4 |
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MG ZT-T, Rover 75 Tourer Join Date: Mar 2011
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Engine ECU firmware needs changing as the "charge" time for the coil packs vs pencil coils are different.
Easiest way is to change the ZCS coding and use a T4 to download new firmware and tune data to the ECU. |
7th August 2019, 19:39 | #5 |
I really should get out more.......
MG ZT-T, Rover 75 Tourer Join Date: Mar 2011
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Oh and another thing, you will need camshaft covers that have the extra moulding and tapping for the pencil coil retaining bolts.
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7th August 2019, 20:07 | #6 |
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Pencil coils on offer at Rimmers at the moment too.
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8th August 2019, 02:41 | #7 |
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MG ZT-T Join Date: Jun 2016
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Trikey, The good prices on pencil coils is one of the things that got me thinking about changing
Thanks Phil. That's good information. There are plenty of dead and dying Freelanders here so cam covers would be easy to come by. I suspected that there may be some T4 stuff involved. Unfortunately there aren't any T4s around here so that little project will have to go on the back burner-Rats!
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ZT-T190, Anthracite, LHD, Left the Line on June 24, 2002, Sold new in Switzerland, spent time in Germany, Imported to Canada in September 2021 |
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