Thread: which plugs?

Originally Posted by Senshi09

should i stick with my delco filter

Absolutely not. AC Delco filters are possibly the worst ones that fit the engine. Darn near anything else is a significant improvement.

Originally Posted by Senshi09

Iridium plugs are good for my motor

As long as they're Delco/Autolite/NGK. Never use Bosch, Champion, E3, etc..

Originally Posted by Senshi09

can i use conventional oil if I already have synthetic running through it?

Absolutely. Won't hurt anything.