Platinum or iridium for 3800?

[MikeP2389]

Im picking up a 2002 monte carlo ss monday and in the near future im gonna change the plugs. basically all i wanna know is what will be better in a lightly modded 3800?

[xxREGALIZExx]

id say platinum i got em in ma 3.8 regal and i thing im gettin the most BANG 4 ma buck (ac delco rapid fires)

[Andrew]

i say try the new E3's.

[per0781]

i say try the new E3's.

 

waste of money

[Andrew]

i say try the new E3's.

 

waste of money

i want a guinea pig! LOL.

 

but really, why?

[Venom]

I say stay what came with it, platinums

[per0781]

i say try the new E3's.

 

waste of money

i want a guinea pig! LOL.

 

but really, why?

 

multiple dyno charts have proven no gain from them. all marketing hype.

[patgizz]

delco only whatever you choose.

 

GM DIS > Bosch platinum plugs

 

 

[MikeP2389]

yea all ill ever put in my gm cars as far as plugs go will be ac delco. im just gonna pick up some platinums.

[Euro]

Or if you want to go a heat range colder with some other mods, go with Autolite 605's!

[99RegalGS]

I'm running regular copper plugs in my Regal. Runs great!! (Autolight 104's)

[MonteCarloDude]

I say stay what came with it, platinums

x2. Thats what i have in the monte, and it runs great.

[alphagtp]

a friend of mine tried the iridium on his 98 gtp and they got burned out within 2k miles, very bad!!! definetly going back to platinum

[sl3196]

I'm running regular copper plugs in my Regal. Runs great!! (Autolight 104's)

I run the same with great results. Guess he won't need something that cold though.

[BXX]

Some years came with factory AC Declo Iridiums