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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 10-28-2003, 08:54 PM   #11
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Get Delcos. good plugs. Avoid Bosch, there junk!
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Old 10-28-2003, 08:56 PM   #12
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i'd go with the recommended delco'*
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Old 10-28-2003, 10:33 PM   #13
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what about splitfire?
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Old 10-28-2003, 11:26 PM   #14
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I heard nuttin but bad things with splitfires.
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Old 10-29-2003, 12:56 AM   #15
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Quote:
Originally Posted by BonneMeMN
Delco makes NGK,
I think you have that reveresed...
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Old 10-29-2003, 02:46 AM   #16
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NO Taylor does make 8.5, I got mine from Grand Prix Store.
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Old 10-29-2003, 04:45 AM   #17
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Sorry buddy, Look at your own signature.
You have 8mm Taylor'* the MSD are 8.5mm
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Old 10-29-2003, 06:57 AM   #18
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MSD makes a set custom built for the GTP which is an exact fit for our bonnevilles. they are 8.5mm. i have a set on mine and was only like 55 bux from summit. if you run a smaller pulley, defintly go colder in the heat range. i did have NGK iridiums but ran into KR at the track. so now i have autolite copper plugs #103 that are 3 heat ranges colder.
definitly do not run plat. in a SC car, the plat. tip has been known to come off under high boost conditions
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Old 10-29-2003, 01:54 PM   #19
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Quote:
Originally Posted by jeffrey10x2
definitly do not run plat. in a SC car, the plat. tip has been known to come off under high boost conditions


Note taken...
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Old 11-01-2003, 01:05 PM   #20
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Just remember that the bigger the wires, the harder they are to get into the retainers. There is no performance or lifetime change between 8 or 8.5mm. Pick the wire you want, and go with it.
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