It's not every 3 to 5k, it's 10 to 15k I just swapped my ngk's at 15k miles but probably could have got another 5 to 10k on them. I switched to the new ngk's that last longer and plan on swapping them when they hit 25k miles. It's really just cheap insurance. Like you I also use amsoil. Again...
What caused it to blow? What mods did you have at the time?, Boost pressure? Power levels? Very curious as I have an 18 and wondering how much my car is in borrowed time.
My car with my current mods without anyone in it and no stuff. 3700 lbs even. That's with a full tank
Ya this car is significantly more hefty than I thought it was. I was hoping for 3500. To put it in perspective my buddy with a similar setup but a gt was only 60 lbs more than me if I...