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Cooler spark plugs

posted by  brick8 on  Wed Nov 5 02:53 CST 2003
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last visit: Mon Nov 11 07:36 CST 2013
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I am thinking of substituting a cooler range of spark plugs for the bosch wr7dc's that I now have in my 1988 740 turbo. I went to their web site and the next cooler plug is the WR6DC. Has anyone tried these? The reason for the switch is that my car is making a pinging sound that I can't get to go away. THe other possibility is an NGK BPR7ES. What do you think?






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New Cooler spark plugs
posted by  brick8  on Wed Nov 5 02:53 CST 2003 >


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