Davros 0 Posted November 21, 2007 Report Share Posted November 21, 2007 Hi there. Does anyone know which grade of Bosch super 4 plug are best suited to a vr6 (standard) given that Bosch dont actually have a listing for this engine? Link to post Share on other sites
4mobora 0 Posted November 21, 2007 Report Share Posted November 21, 2007 ngk or the stealers might do bosch numbers, i dont think super 4s have any benefit over ngk just extended life, when the nearest electrode wears the spark jumps to the next nearest, electrickery always goes for the shortest path to ground Link to post Share on other sites
Davros 0 Posted November 21, 2007 Author Report Share Posted November 21, 2007 Ok- its just that Ive used them super 4s with previous cars and though they seemed to offer not much of an improvement in power over any others they were a lot smoother. Link to post Share on other sites
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