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Threads Tagged with
7989
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Forum
Replacing my plugs with Champion 7989's (mid upgrade question!!)
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1
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3
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Rubrignitz
on May 24, 2008
May 25, 2008
09:28 AM
by
07_427R
23
2,188
2005-2014 Mustangs
7989 Champions
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1
2
3
)
Goldenpony
on May 1, 2008
May 19, 2008
10:49 AM
by
FlaPony
20
2,192
2005-2014 Mustangs
spark plug issues on S197
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1
2
)
tim281
on May 3, 2008
May 10, 2008
03:26 PM
by
slammer1
11
5,750
Saleen, Roush and Boss Mustangs
champion 7989's
frdfrst
on Apr 23, 2008
May 1, 2008
09:23 PM
by
Goldenpony
7
2,376
GT S197 General Discussion
champion gap??
leepinlen
on Apr 22, 2008
Apr 23, 2008
08:41 AM
by
leepinlen
2
709
GT S197 General Discussion
Summit Racing and Champion 7989 spark plugs
cavediver
on Apr 22, 2008
Apr 23, 2008
06:04 AM
by
RedRider0151
8
3,142
2005-2014 Mustangs
Replaced plugs at 5,000 mles
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Last Page
)
07RedfireGT
on Apr 4, 2008
Apr 21, 2008
10:34 PM
by
Rubrignitz
65
6,302
2005-2014 Mustangs
Champion 7989 Plugs-Who's happy with them?
Goldenpony
on Apr 19, 2008
Apr 21, 2008
05:38 PM
by
blk05stang
8
2,607
GT S197 General Discussion
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