I have a 2004 996 TT Cab X50 with 9200 miles. The car is totally modified. I am pushing 550hp. I am the second owner and the spark plugs have never been changed.

Which are the best spark plugs for my car? What does is cost to have them changed? Does anyone know anyone in the Los Angeles area that can replace them?

Thanks for your help.

 

Bosch FR6 LDC....Do it yourself, it isnt rocket science and you only need basic hand tools. I think a dealer will charge around 600$

 

Denso Double Platinum's

 

Probably overkill for the power levels he has IMO...

 

Bosch FR6 LDC are what I run...Try Speed Gallery.

 

Denso Iridium 24's, cheers., Sonny.

 

Denso Iridium - work great with my non-X50 500HP Turbo.
The engine works much smoother than before.

 

What's the recommended plug for the stock turbo engine with a UMW reflash?

 

what is the gaping required for the x50 package on the spark plugs???

 

What Kevin (KPG) said.

 

stage 4 and below I would say NGK bkr6E for anymore power I would say BKR7E good luck

Suman

 

all of the above except Beru LOL

 

I don't have any advice on what plug to use, but if you don't plan on doing them yourself. I completely stand behind my mechanic, Alex of Precision Tech in Marina Del Rey, phone's 310-822-4566, tell him Scott sent you. That's a very easy job and I doubt he'd charge you too much, nothing compared to the dealer. He's very honest and does great work. Another place you can have do your plugs would be site sponsor Lucent Motors, contact Arling http://www.lucentmotor.com/ Good Luck!

 

I am only aware of two tuners who have tested different spark plugs in 996TTs -- Protomotive and EVOMS -- and both separately determined that the Denso Platinums work best.

Craig

 

I thought Evoms switched form bosch to NGKs