Quote:
Originally Posted by TitaniumTT
FWIW those LS2 coils sell from GM parts direct for ~$60 and I bet you could find the connectors for around ~$5 for all you people that want some better spark without a huge bite in the wallet.
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...which will require cutting/splicing the OE harness - something most people will NOT want to do for one reason or another.
To the OP - White spots on the bottom of the coils mean
NOTHING.
Nothing at all.
The only real test of the coils is resistance/inductance across the ignitor (the FSM has the specs) and using a timing light on the coil wires and look for misfires, which can be done free-revving, though it is better to check under load.