Re: Rough running Silver Shadow
Posted: Sun Mar 18, 2012 12:00 pm
It's also typical of the symptoms shown by faulty caps in the ignition amp, especially when it's the type with two separate lens as supplied for the distributor on these V8s, assuming it hasn't been replaced by a single contact version.
Just because the original Lucas Opus amp has been replaced by the Lumenition (Optronic I assume, since you'd need two Magnetronic units for this application), don't assume that the amp or either of the lens are without fault, especially not if the Optronic system was old stock. Also check the connections between the amp and the loom that comes from the lens assembly, they're very prone to poor contacts and will, as anything where there exists an unintended high resistance, display their fault once warmed through.
Just because the original Lucas Opus amp has been replaced by the Lumenition (Optronic I assume, since you'd need two Magnetronic units for this application), don't assume that the amp or either of the lens are without fault, especially not if the Optronic system was old stock. Also check the connections between the amp and the loom that comes from the lens assembly, they're very prone to poor contacts and will, as anything where there exists an unintended high resistance, display their fault once warmed through.