Skip ThunderBolt
New Member
It is cold in Louisville on the Ohio River, and I thought it might be a good idea to replace my plug-wires and spark plugs this week. I have a 1989 Sea Ray 390 with HUGE Mercury engines.
Any advice on a good plug wire brand and plugs?
Thanks as always for the advice.
Any advice on a good plug wire brand and plugs?
Thanks as always for the advice.