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I've been using Autolites, with no complaints, but is there something better? I tried Bosch Platinums, JUNK!!!! NGK is the direction I'm heading. My question about NGK is V-Power or GP(platinum)? From this list: http://www.sparkplugs.com/results_app.asp?...=1&AAIA=1011845 which would you choose.
My cars are BMW 1989 325is and 1991 318is
Remember the old saying," if it aint broke, dont fix it"
In various dyno tests, we have never found power in plugs unless the original set was shot. As a result, we run cheap champion plugs and change them probably 3-4 times throughout the season. They probably don't need to be changed that often, but it's only $5...
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Bill
Planet 6 Racing
bill (at) planet6racing (dot) com
Stick with the Autolites--good plug.
Buy them in quantity.
I can also get mine at Walmart.
AC Delco and Bosch are good plugs too.