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Re: Bosch, again and again and agian
Posted to Technical Discussion Forum on 6/26/2011 3 Replies

I respectfully disagree.

[Spark plug comparision of 2 new plugs under controlled air pressure.]

Plug A is a Bosch (rounded tip) and plug B s an AC Delco. They (Bosch) have a poor design.

Several years ago I was at an SAE World conference with Jon Riggle ... Login to read more.

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