pfr7b spark plug change interval

G

gsr owner

Sunday Drivers
Hi All.
I have a legacy 2002, does anyone know how many miles pfr7b plugs should be changed after.
The car is standard apart from a map by Bob, k&n panel filter and Hrc fuel pump.
Thanks
 
Again it comes down to usage.

is car running lean heating tip etc


So not really a set answer

on a car running standard or mapped at somewat normal power levels we would say every 2 years
 
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