PFR7B's what gap on a my05 sti
05 February 2007, 08:07 PM
#1
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PFR7B's what gap on a my05 sti
im just about to change the standard plugs in my lightly tuned my05 sti to PFR7B's....do i need to alter the plug gap or are they ok to fit right out of the box?
no but seriously would it make that much differance 6 or 7?
05 February 2007, 09:15 PM
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Really doesn’t make that much difference 6 or 7 is fine, too tight and you will have start and idle problems too much gap can cause misfire but the difference between the above is not work worrying about on most conditions
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05 February 2007, 09:46 PM
#8
Ecu Specialist
The plugs will not be accurately pre-gapped and must be checked, they should be set to 0.65 mm for best results, gap is critical on these cars even at a relatively mild tuning level and can make all the difference.
cheers
bob
cheers
bob
