Alright guys and gals, delving further in to the what is my ecm/what has been done to this car.
I’m doing the plugs before work today. I bought the tr6 NGK plugs, I love NGK, I’ve ran them in almost all of my vehicles.
The plug I just pulled out is a delco ITR4A15. Iridium yes, but, if memory serves correct, that is colder than the NGK tr6, correct?
Sooner I find out the better as I’m about to pull them all. They look eh, definitely been in the car a long time.
As of now, looking at the engine, the absolute only mod is the air intake from k&n, stock pulley and all, no exhaust mods, not even the u-bend delete.
Any thoughts?
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