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NGK Iridiums cured my full boost misfires where the Bosch Platin F5DP0R were flaming out.

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Old 12-10-2006, 08:16 PM
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Default NGK Iridiums cured my full boost misfires where the Bosch Platin F5DP0R were flaming out.
I was getting intermittent flameouts under full load through the lower gears with the Bosch F5DP0R plugs during the high boost spikes. ASP K04 fueling, 24+/- psi tapering to 22+/-psi file. Just put in NGK Iridiums BKR6EIX in a desperate attempt to cure the misfiring. Voila, several rips through the gears, no flashing CEL misfiring like with the F5DP0R's.

One question, does anyone "in the know" have a suggestion as how long it is OK to run these plugs (replacement interval).

Thanks,
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Old 12-10-2006, 08:23 PM
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Are the Bosch plugs the standard ASP plugs?
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Old 12-10-2006, 08:27 PM
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Yessir, at least when I got the fueling kit.
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Old 12-10-2006, 09:00 PM
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Interesting. Anyone have any thoughts on the new Bosch Fusion iridium and platinum plugs?
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Old 12-10-2006, 09:08 PM
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Default Interesting: I had the opposite experience.
I still have a set of IX's in my toolbox, used for one day... went back to the F5DPOR.

I'd say swap em every 30k or so.
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Old 12-10-2006, 09:14 PM
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Strange! I'll report back after a couple of tanks and let everyone know if the story is the same.
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Old 12-10-2006, 09:14 PM
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Default I have had the same plugs in mine...albeit I am pretty much stock...however
I have noticed a slight improvement over the stock plugs...The NGK Iridiums were also very good to me with my last car (Nissan 240SX).
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Old 12-10-2006, 09:52 PM
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Always had really good luck with F5DPOR's.
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Old 12-11-2006, 05:09 AM
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FYI that is a stock heat range. you should be running the 7s.
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Old 12-11-2006, 07:59 AM
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I'm going to run the 6's for the winter, then maybe try the 7's for spring/summer.
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