[bigbird]

What's the consensus on the iridium plugs. My ride is due for a plug change and the NGK look like a good buy.

 

[JustinH]

hmm,

Most guys on here are happy with motorcraft copper's. They are cheap and good in my opinion.

JH

 

[djoc2000]

I've got Iridium plugs and have no probs...I use them instead of 2 degree colder plug

n/m

 

[APhool]

I have used Motorcraft and Autolite plugs on a stock setup and they work great.

I will consider the Dilithium and Trilithium plugs if they become available for stock street use.

 

[GreenBird]

Not worth it...

unless you are running more than 10psi, you should just use good ol copper.

 

[bigbird]

Re: Not worth it...

unless you are running more than 10psi, you should just use good ol copper.

Aren't the stock plugs platinum? I paid nearly $10.00 per plug (Canadian $) when I did the last change, about 96,000KMs ago. The iridium is actually less money.

 

[WhiteBird101]

Yes, the stock plugs are plat., but copper works just fine too. it just won't last as long

 

[MagerThom]

One small point.....

Platinum plugs have about six times the resistance of
copper plugs. So far, I haven't been able to find any
info on what an Iridium plug's resistance rating might be.

 

[allan95tbird]

Just installed a set of bosch platinum +2 plugs on my 4.6 bird. runs great as far as i can tell. dunno if i can feel a difference yet, but i havnt gotten on it too much yet. had to get home to get ready for work. but its got liottle better throttle response. i had stock autolite brand plugs in there before.