Originally Posted by Longbow64
Spark plugs are every 37K. I did mine at the scheduled 37 and then again at 60. At 60 I had to pay for that and an oil change and it came out to just under $500.
$500?? wow, you could DIY it and saved like 2/3 of your cost
OP, i always add some techron bottles before I change my oil, so that may "clean" your spark plugs, you can give those a shot. Or start running VPOWER if you haven't already...