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Old 04-21-2002, 04:15 PM   #1
beethoven
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2006 Prius

Default Spark Plug Condition

What do you guys think of these? I just pulled them out today...

Car: 98 RS
Mileage: 62,000
Plugs: NGK PFR5B-11
Mileage on plugs: Not sure (replaced by previous owner)
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Old 04-21-2002, 05:55 PM   #2
Jesse Lorenzen
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Pearl

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Those don't look that bad, but NGK's are 2 bucks a pop, get some new ones especially how easy it is to change them.
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Old 04-21-2002, 05:57 PM   #3
beethoven
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Quote:
Originally posted by Jesse Lorenzen
Those don't look that bad, but NGK's are 2 bucks a pop, get some new ones especially how easy it is to change them.
Yea, I just replaced them....that's why I took this picture.

The only thing that was obvious, was that the gaps on two of the plugs were between .060 and .065, well over normal.
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Old 04-21-2002, 06:05 PM   #4
GLwagon
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By the books I have, That is considered too hot fo a plug for the conditions (more silverish deposits than brownish)
go with the recomended bkr6e-11 or similar The #5 that was in is a hotter plug than a #6...
realy they don't look too bad color-wise
Totally junk on the gap & rounded tip.
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Old 04-22-2002, 02:32 AM   #5
Tim Sanderson
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They are just old, time for some new ones. Yor probably notice a pretty big change in power & fuel economy hey?
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Old 04-22-2002, 10:32 AM   #6
Richard L.
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The BKR6E-11 plugs are for MY00 or newer cars, which have higher compression ratio. Those #5's do not look bad and are the correct heat range for that model year.
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Old 04-22-2002, 12:42 PM   #7
HndaTch627
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those are worn out but burnt perfectly...grab some new ones

jeremy
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Old 04-22-2002, 01:46 PM   #8
beethoven
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Quote:
Originally posted by HndaTch627
those are worn out but burnt perfectly...grab some new ones

jeremy
Already done.
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Old 04-22-2002, 05:08 PM   #9
jhonas
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Your plugs look good, just worn... For reference check out this link

http://www.pdm-racing.com/features/plugs.html
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