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Tuesday 10 December 2013

Ricardo is testing BPR9ES

Experiencing the same problem as me with excess oil in the spark plugs (engine mounted heads down) Ricardo is on Peter's advice testing BPR9ES spark plugs. 
Illustration "stolen" from Ricardo's blog... clickable link
Peter has been reporting significant improvement with those spark plugs where the electrode is slightly more prominent than on the regular B9ES.
To be followed...

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