[mcgruff1]

What plugs work best in the newer vortec engines? Ive heard the stock AC delcos are good and the rapidfires are better, but now all the rapidfires are supposedly platinum tipped which sucks. Whats everyone using?

 

[syclonekid43]

not sure what the newer motors have for plugs, but i always stick with delco

 

[Ralphie]

The Vortec 4.3's come w/ ACDelco Platinums, correct me if I'm wrong.

 

[mcgruff1]

I dont think they came with platinums...

 

[Ralphie]

Mine did.

 

[97S10SS]

Replace the plugs with the recommended plugs from the factory. Mine had platinums.

 

[ObeKinkyOne]

mine had platinums too but i witched out to champions and MGK's are veryyy good to and if your thinking of switching up to a MSD ignition the platinums won't work(or atleast thats what i heard) but it's easy to switch over to a better plug while your going through the hell of changing them lol have fun with the middle one on the drivers side...pasenger sides a breeze but that drivers side was wicked

 

[mcgruff1]

Whats a good non-platinum replacement for a '99 4.3l with full msd ignition?

 

[Zapnoma]

NGK vpower

oreilly's auto parts = $1.49/pc

 

[mcgruff1]

Do you know the part number for them NGK's?

 

[Moodyracing]

Well when using an MSD ignition or Nitrous it is best to use the cheapest plugs available. Platinum plugs and all the fancy multi electrode plugs melt almost instantly. I thought that was strange until I started melting plugs every time I would hit the button.

 

[mcgruff1]

What plug do you recommend?

 

[1-tunda]

Im not going to recommend it to you but Ill tell you what I have... NGK TR55IX Iridium Plugs $14/plug @ checkers, $7/plug @ sparkplugs.com

 

[bg's]

I agree with the above post. Sparkplugs.com has any plug
you want. They're about 30 miles from me. They have more
plugs than you thought one place could stock. I mean plugs
EVERYWHERE. They have a search engine. Just put in the
plug you want or the the ride you want the plugs for.
I get all my NGK non-resistor race plugs there.

www.sparkplugs.com

 

[Zapnoma]

NGK Vpower part # = 3951

 

[Zapnoma]

I agree with the above post. Sparkplugs.com has any plug
you want. They're about 30 miles from me. They have more
plugs than you thought one place could stock. I mean plugs
EVERYWHERE. They have a search engine. Just put in the
plug you want or the the ride you want the plugs for.
I get all my NGK non-resistor race plugs there.

www.sparkplugs.com

The only bad thing is;

The Vpowers are $2.24 there, plus shipping.
At Oreilly's Auto Parts, they are $1.49 with tax and no shipping.

You spend almost $6-10 more than you need too.......

 

[bg's]

Sure and I agree with you. If you can get em cheaper somewhere
else, that's the best bet. I deal with Sparkplugs.com as I don't
pay shipping or tax, and they carry the non-resistors I use. So
it works for me.

We don't have an O'Reilly's out here in Cal that I know of.

 

[Zapnoma]

Ahh........ok. Yea, i understand.

 

[S10 Hauler]

1-tunda. do you know if those are the same iridiums that come in the 03 vetts? what sort of benifits did you get form going with those plugs. I have a set of ngk iridiums out of a guys 03 vett and i kept them cause I thought i might put them in my s10. I just want to make sure they will work. I will have to wait till moday to check the part number on the plugs though.

 

[BlazerLT]

Stick to stock platinum ACDelco plats.

Most people that have tried other plugs have since switched back.