Spark plug question

[jaemitch]

what would yall say is causing this?

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[MIHELA]

You're better off using AC Delco plugs on these engines. That +2 crap is just a gimmick.

 

[jaemitch]

So thats the problem the type of plugs it is. i figured that lol. which AC Delco the platinum or the iridium ones?
thanks for the fast reply also!!

 

[94 Silverado]

For real. Try plain A/C Delco copper plugs and see if it still does it. Hows your gas mileage?

 

[1990GMCSIERRA]

yea acdelcos or spitfires are the only plugs ll run

 

[jaemitch]

For real. Try plain A/C Delco copper plugs and see if it still does it. Hows your gas mileage?

ill try those thanks and the gas mileage is good when its running right and itll burn a half tank in 2-3 days when running like poo

 

[redchev95]

dont you guys watch Trucks,extreme 4x4,or muscle car. E3 plugs are the best plug you can buy more hp and better mpg DYNO PROVEN!!!!!!

 

[1990GMCSIERRA]

i wouldnt put an e3 on my bicycle

 

[redchev95]

why you dont like cheap HP?

 

[redchev95]

you must be a champion guy lol