Long spark plug / short spark plug - help!
30 September 2008, 01:51 PM
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Long spark plug / short spark plug - help!
Hi,
Anyone know if it is ok to use the shorter reach spark plugs (e.g. PFR7B) when the
stock plugs are the longer 26.5mm reach?
Basically I’ve damaged one of the plugs on my 2008 STI (don’t ask), so am needing
a new pack. Since the car is “stage 2” running 350bhp / 1.25bar I thought I might
as well go for a colder plug?
If not then I was thinking either NGK LFR7AIX or the Denso IKH22.
Any advice greatly appreciated..
Stu
Anyone know if it is ok to use the shorter reach spark plugs (e.g. PFR7B) when the
stock plugs are the longer 26.5mm reach?
Basically I’ve damaged one of the plugs on my 2008 STI (don’t ask), so am needing
a new pack. Since the car is “stage 2” running 350bhp / 1.25bar I thought I might
as well go for a colder plug?
If not then I was thinking either NGK LFR7AIX or the Denso IKH22.
Any advice greatly appreciated..
Stu
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