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Bosch WR-78 vs. Volvo Sparkplugs 200

posted by  RLC on  Tue Feb 28 16:36 CST 2006
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Hello All,

I have found a product that is more than glossy hyped-up advertisement, for my car, anyway.

Bosch W-7DC, allowed a rough idle, everything else done and checked. I mean everything.

The subsequent tune-up I installed Volvo Sparkplugs in my 1981 B21A, which also allowed a rough idle (visibly).

After I installed the Bosch WR-78 Sparkplugs and it smoothed my idle. I cannot wait to see how much it improved my fuel economy. Has to, if it does not misfire, my reasoning.





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New Bosch WR-78 vs. Volvo Sparkplugs [200]
posted by  RLC  on Tue Feb 28 16:36 CST 2006 >


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