Blackstarr777 Posted April 25, 2006 Share Posted April 25, 2006 I need some help and a idea on what I need with buying the best products for my first tune-up on my 93 SC400 like plugs, wires, etc: All suggestions are apppreciated Quote Link to comment Share on other sites More sharing options...
whitesnake SC400 Posted April 26, 2006 Share Posted April 26, 2006 I would replace air/fuel filters, brake fluid and possibly transmission fluid. I replaced spark plugs on my previous cars but never noticed a change. Plugs last forever is engines is generally in good shape. Quote Link to comment Share on other sites More sharing options...
lexusman400 Posted April 26, 2006 Share Posted April 26, 2006 Replace all the filters and change as many fluids as you can afford, remove the plugs and replace with Iridium plugs, they are the best and will last as long as the car does, take the plug wires and measure ohms from one end to the other, if you have more than 15 ohms on any wire replace them. I alos adjust my valves because they start pecking a little. Quote Link to comment Share on other sites More sharing options...
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