JP Posted January 22, 2002 Share Posted January 22, 2002 Need new spark plugs for my 1.6KSS. Has anyone tried the Bosch 4 electrode type (they're expensive and therefore must be better!) and are they really worth it? BTW, when I go shopping and look through the parts guide, are the plugs I need for a 216i Rover? James. Link to comment Share on other sites More sharing options...
Peter Carmichael Posted January 22, 2002 Share Posted January 22, 2002 The 4 elctrode ones are the wrong solution to a problem you don't have. Four lectrodes just gives longevity - it only uses one electrode per spark. You will be better off with a traditional spark plug. Chamion C7YCC or NGK BCP7ES or BCPR7ES Link to comment Share on other sites More sharing options...
CHRIS CLARK Posted January 22, 2002 Share Posted January 22, 2002 As I see it the spark will jump the gap that has the least resistance ie. smallest gap. I assume that the four elecrode ones just mean that the spark moves around the different elecrodes as wear takes place. It therefore means that they need attention on the gap setting front only 25% as often as 'normal' plugs. Not sure if anything is gained by the elecrodes being 'open' as opposed to shielded by the 90* curved electrode. I doubt it, and the latter could protect from fouling maybe? Let's face it, they want to have some gimmick so you buy their plugs instead of some other make. Maybe that's their 'edge' ! Link to comment Share on other sites More sharing options...
Johnty Lyons Posted January 22, 2002 Share Posted January 22, 2002 In deference to my peers go with the resister plugs Peter listed with any sort og ECU you want to keep the spurious RF down to a minimum to quote DW in the Managment bible smile.gif jj Edited by - Johnty Lyons on 22 Jan 2002 15:34:09 Link to comment Share on other sites More sharing options...
tony isherwood Posted January 22, 2002 Share Posted January 22, 2002 I fitted them after to solve a problem I didnt have ! Been in ever since and have presented no problems, misfires or pre-ignition. That said ( for the problem I didn't have) the plugs behaved no differently from the original plugs. (and the problem remained !) Link to comment Share on other sites More sharing options...
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