Bosch Platinum +4 Spark Plugs

In an effort to "squeeze" more power from my 3.3L V-6, has anyone used the Bosch Platinum +4 Spark Plugs for their Xterra? Any suggestions on other spark plugs for your Xterra for HP gains?

Thanks,
Jim

It's doubtful you will see any gains, but Bosch will refund the price of the plugs if you can't feel an improvement.

Bosch Performance Guarantee

I put a set of those +4 plugs in my old 2000 Grand Am GT, and it ran like crap. It felt a little more "peppy", but the idle was rough. I took them back for a full refund. I have heard good things about the NGK iridium plugs, but those are big bucks. Let us know what you come up with.

Stick with the NGK plugs. Little is gained in messing with Nissan ignitions. You will get a greater benefit in other areas.

Charlie

Jim -
I'll second the 'stick with NGK' comment. I've tried other brands in datsun/nissan engines dating back to 1967. NGK's have always worked out best. I suspect there is cooperation between nissan and NGK. You may want to consider a premium plug from NGK, but I would not bother with other brands- in a nissan anyway.

dave and xtoy - anti-sieze the threads

you can alway try Troque Master.... http://www.torquemaster.com
I think they are like $16/each, and that's a hundred bucks I could spend elsewhere's

Did you notice when the last post for this was made??