Gratewhitehuntr
Wood and Steel. Yep.
Iridium plugs consistently go 70K miles, and if you re-gap them there is another 30K in there.
The air filter is 10x more important than the oil filter.
The new nat-gas oil, such as Pennzoil ultra platinum 0-40 is BY FAR the best BASE oil available in my lifetime.
Iridium lifespan aside, let's consider the potential for damage when changing spark plugs.
I know zero people (other than myself) who are serious about blowing and washing trash out of recessed plug holes before removal.
The air filter is 10x more important than the oil filter.
The new nat-gas oil, such as Pennzoil ultra platinum 0-40 is BY FAR the best BASE oil available in my lifetime.
Iridium lifespan aside, let's consider the potential for damage when changing spark plugs.
I know zero people (other than myself) who are serious about blowing and washing trash out of recessed plug holes before removal.