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Are there preffered spark plugs for Stage 3 applications

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Old 04-10-2006, 11:42 AM
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Default Are there preffered spark plugs for Stage 3 applications

or are the normal plugs good across all stages as it were?

Archives indicate NGK PFR6Q or BCPR7ES-11 or Bosch Platinum +4s??
Old 04-10-2006, 12:08 PM
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Default Bosch F5DP0R's work well.

they are an OEM plug from an older audi (RS2 or something?) I always hear speculation as to which one but i forget.
Old 04-10-2006, 12:19 PM
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Isn't that the one with the off gapping??
Old 04-10-2006, 02:34 PM
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Would 2+ need them??
Old 04-10-2006, 03:28 PM
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need no but benefit yes
Old 04-10-2006, 04:10 PM
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Not sure what that means. It's the one with the fixed gap.
Old 04-10-2006, 04:15 PM
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It's 0,024 right, vs the 0,028 0,030 that audi specss right
Old 04-10-2006, 07:34 PM
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Default well its not that its a "fixed gap" persay but that its a side fire plug and

they are more difficult to gap.
Old 04-10-2006, 07:35 PM
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Default audis specs are for a plug that is a range warmer. you can get away with the base gap

FWIW an F5DP0R is equivalent to an 8 range plug for an NGK.
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