Compression results

[spareparts]

if it was one bank(one side of the engine ) that had no spark, its your power pack, if its just one cylinder, or various cylinders on either side, it could be coils and or power pack. The ground strap on the coils are subject to corrosion, you can remove the cols, clean the strap and the coil mounting surface, if the spark comes back, you've found your problems. If the power packs are old, I'd replace them both just because