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Best spark plugs to use?

B

buschegt

New member
So been doing a decent amount of maintenance on the car. Just had the upper and lower intake gaskets redone, valves cleaned out lower intake completely cleaned, fluids changed brand new intake manifold and added a hv3 and it's been running great but between 2nd and 3rd gear right before it shifts if I'm WOT it feels like it stumbles so I'm thinking of changing out the plugs. They are about 3 years old so thought of changing them out. Only check engine light that's on is po446 which says the fuel level pressure sensor needs replaced because the evap canister purge vent is blocked so I'm starting with new plugs and going from there. The check engine was on before I did the mantience
 


Agreed.. My car was used and abused before I bought it....never maintained in its life....and I replaced everything with AC Delco plugs...wires...and a fresh fuel filter....and I went from 14-15mpg...to now...WITH the A/C on....I'm up to 22mpg. And she purrs like a kitten....and has the get-up-and-go like I think she did when she was new. I definitely always recommend going OEM when it comes to plugs.
 
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