Author Topic: Convert 156 JTS to Audi R8 coils.  (Read 572 times)

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MattyG

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Convert 156 JTS to Audi R8 coils.
« on: January 19, 2020, 04:36:16 PM »
Hi there. Watching the guys on mighty car mods I had the idea of converting the Alfa 156 to Audi R8 coils. These are also a 4 wire coil and replacement plugs are easily available to solder in.
Can anyone tell me what each of the 4 wires do and I might be able to work it out. These are only $50 ish each.

https://www.autoinstruct.com.au/product/audi-r8-ignition-coil-pack-latest-version-07l905115a/

I understand replacing with a stock one might be easy but they are crap and expensive

bonno

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Re: Convert 156 JTS to Audi R8 coils.
« Reply #1 on: January 19, 2020, 08:43:44 PM »
Hi Matty
I very much doubt whether the R8 Audi coil pack is going to work even with applicable 4 pin wiring mod. It also does not have a clamping flange as per genuine Bosch unit (refer to attached link). Additionally the ECU might pick up any differences in specified resistance values and throw up a EMS fault code. 
https://www.ebay.com.au/itm/NEW-GENUINE-BOSCH-IGNITION-COIL-ALFA-ROMEO-156-GTV-SPIDER-JTS-937A1-0221604103/301940621302?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
now
83 Alfetta GTV
05 156 JTS manual
past
00 156 selespeed
72 1750 GTV

MattyG

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Re: Convert 156 JTS to Audi R8 coils.
« Reply #2 on: January 21, 2020, 11:26:05 AM »
Well the R8 ones must clamp in some way as they donít even have a bolt to hold it in place

Just has me very intrigued.

Are these ECus programable at all?