have any body use this spark plug on Q4 ?
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have any body use this spark plug on Q4 ?
Im search ngk details but Im interesting peoples experience.
The biggest question are: Can I rise up the spark voltage for use iridium ?
R: is mean resistor type spark plug
P: is mean projected type spark plug
Number: is heat range (8)
http://www.copleymovie.com/Magic/Sma...lugComparo.jpg
B8EGV
racing spark plug
Electrode Material: Gold Palladium
Projection Type:Non Projected
Resistor:No
BR8EIX,
Projection Type:Non Projected
Electrode Material:Iridium
Resistor:YES
BPR8EIX
Projection Type:Projected
Electrode Material:Iridium
Resistor:YES
BKR8EIX
Projection Type:Projected
Electrode Material:Iridium
Resistor:YES
also Im take some photo from B8EGV and BR8EIX
original 155 Q4 spark plug (Bosch WR6DTC)
https://lh5.googleusercontent.com/-l...0/WR6DTC_2.jpg
B8EGV and BR8EIX box
https://lh3.googleusercontent.com/-H.../s800/RES2.JPG
B8EGV macro photo 1
https://lh3.googleusercontent.com/-z...00/B8EGV_1.jpg
B8EGV macro photo 2
https://lh6.googleusercontent.com/-d...00/B8EGV_2.jpg
BR8EIX macro photo 1
https://lh6.googleusercontent.com/-N...0/BR8EIX_1.jpg
BR8EIX macro photo 2
https://lh6.googleusercontent.com/-C...0/BR8EIX_2.jpg
I believe you can use it as long as the heat range is good.