Which plugs are you guys running in your ITR's/Si's? In the manual it says to use the NGK PFR6L-13, which is the platinum plug that comes stock. I hear its best to use the cheap $1 NGK's and change them more often. I have a relativly stock B16 so I wouldnt think going more than 1 step, if any colder, would be benefitial. Bring on the part #'s/opinions.

 

NGK BKR6E-11

That's what I've been using lately.

 

With no ill side effects, I might add.

$8 is a far nicer amount to spend than $64 for a set of plugs.

 

Alright thanks for your reply. Whats the difference between the one you listed, and the BKR7E. Is the 7 1 step colder? Is it best to just stick with the stock heat range (6) for relativly stock motors?

 

TTT. Anyone else use a different plug?

 

WERDDD.
I put the BKR6E-11's in today.. they feel good