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Turbonut
Join Date: Jun 2009
Location: Estonia, Europe
Posts: 1,261
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These are VAG COP units, from 6.0 W12/4.0 W8 engine. There are several types (and two different pinouts), they differe in length. But all of them have igniters so they need logic-level signal. But +5v TTL level is not enough, these coils have quite low impedance (less than 400 Ohms) and they work best with +12v signalling.
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'83 924 (2.6 16v Turbo, 530hp),'67 911 hot-rod /2.4S, '78 924 Carrera GT project (2.0 turbo 340 hp), '84 928 S 4.7 Euro (VEMS PnP, 332 HP), '90 944 S2 Cabriolet
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