spark plugs

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Old 18 Feb 2013, 04:41 pm   #1 (permalink)
badgolferman
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Default spark plugs

2004 Toyota Camry XLE 4 cyl 97K miles

The dealer says I need new plugs. The maintenance manual is ambiguous,
in some places implying every 30K, 60K, 120K miles. Called another
dealer and they said iridium plugs should go 110K miles.

The manual lists Denso SK20R11 and NGK IFR6A11. I can find the Densos
online for $8-9 but not the NGKs. There are other model NGKs for the
car listed for $7 at parts stores though. Will it matter if I get the
other model NGK plugs?

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Old 19 Feb 2013, 11:41 am   #2 (permalink)
Jeff Strickland
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Default Re: spark plugs


"badgolferman" <REMOVETHISbadgolferman@gmail.com> wrote in message
news:xn0ieh5pk7zuq8l000@reader.albasani.net...
> 2004 Toyota Camry XLE 4 cyl 97K miles
>
> The dealer says I need new plugs. The maintenance manual is ambiguous,
> in some places implying every 30K, 60K, 120K miles. Called another
> dealer and they said iridium plugs should go 110K miles.
>
> The manual lists Denso SK20R11 and NGK IFR6A11. I can find the Densos
> online for $8-9 but not the NGKs. There are other model NGKs for the
> car listed for $7 at parts stores though. Will it matter if I get the
> other model NGK plugs?
>



It CAN matter if you get the other model plug.

I once owned a brand new 1985 Chevy Celebrity Eurosport -- the Eurosport was
a trim package that included a "better" motor and some whistles and bells.
Whatever, the car was a pile of crap that I regret to this day. In any case,
a couple of years pass and I decide to change the spark plugs. That's when
the trouble started.

The car was new enough that the parts catalogs had not caught up with it
yet. I resisted buying parts at the dealership and went instead to the local
parts store down the street. I got new plugs that had all of the same
letters, except that a C was missing in the middle. "No big deal," the guy
said, "these are right." Wrong. The car barely was able to get out of the
driveway. I thought I must have broken some plug wires so I bought a new
set. No joy. Turns out, the "better" engine was better because of software
and spark plugs. Basically, tuning was the only difference. The missing C
meant that the plugs were the hinh energy type, or something like that, and
without that C, tuning went into the shithole.

Bottom line, be very carefull with your plugs.

Having said that, rolling up on 100k is about the right time to be
considering new plugs. Do not be in a rush to replace them if you cannot
find the right ones.


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Old 20 Feb 2013, 06:23 am   #3 (permalink)
Jan Alter
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Default Re: spark plugs

"badgolferman" <REMOVETHISbadgolferman@gmail.com> wrote in message
news:xn0ieh5pk7zuq8l000@reader.albasani.net...
> 2004 Toyota Camry XLE 4 cyl 97K miles
>
> The dealer says I need new plugs. The maintenance manual is ambiguous,
> in some places implying every 30K, 60K, 120K miles. Called another
> dealer and they said iridium plugs should go 110K miles.
>
> The manual lists Denso SK20R11 and NGK IFR6A11. I can find the Densos
> online for $8-9 but not the NGKs. There are other model NGKs for the
> car listed for $7 at parts stores though. Will it matter if I get the
> other model NGK plugs?
>


Hi,

Below is the Denso site to check out the plugs. From my own experience I
change plugs probably sooner than later just for trying to maintain the best
efficiency of the vehicle. I changed plugs on our 2002 Camry LE at 95K and
noticed a little better difference.
Many car companies say you can run your car between 5K - 7.5K before
changing oil, but many owners prefer to change conventional oil between 3K -
4K miles if they're using their vehicle in an urban environment.



http://www.densoproducts.com/categor...Fckx4AodrU4ArQ

--
Jan Alter
bearpuf@verizon.net


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Old 13 Mar 2013, 11:12 pm   #4 (permalink)
Hachiroku ハチロク
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Default Re: spark plugs

On Tue, 19 Feb 2013 09:41:19 -0800, Jeff Strickland wrote:

> "badgolferman" <REMOVETHISbadgolferman@gmail.com> wrote in message
> news:xn0ieh5pk7zuq8l000@reader.albasani.net...
>> 2004 Toyota Camry XLE 4 cyl 97K miles
>>
>> The dealer says I need new plugs. The maintenance manual is ambiguous,
>> in some places implying every 30K, 60K, 120K miles. Called another
>> dealer and they said iridium plugs should go 110K miles.
>>
>> The manual lists Denso SK20R11 and NGK IFR6A11. I can find the Densos
>> online for $8-9 but not the NGKs. There are other model NGKs for the
>> car listed for $7 at parts stores though. Will it matter if I get the
>> other model NGK plugs?
>>
>>

>
> It CAN matter if you get the other model plug.
>
> I once owned a brand new 1985 Chevy Celebrity Eurosport -- the Eurosport
> was a trim package that included a "better" motor and some whistles and
> bells. Whatever, the car was a pile of crap that I regret to this day.
> In any case,
> a couple of years pass and I decide to change the spark plugs. That's
> when the trouble started.
>
> The car was new enough that the parts catalogs had not caught up with it
> yet. I resisted buying parts at the dealership and went instead to the
> local parts store down the street. I got new plugs that had all of the
> same letters, except that a C was missing in the middle. "No big deal,"
> the guy said, "these are right." Wrong. The car barely was able to get
> out of the driveway. I thought I must have broken some plug wires so I
> bought a new set. No joy. Turns out, the "better" engine was better
> because of software and spark plugs. Basically, tuning was the only
> difference. The missing C meant that the plugs were the hinh energy
> type, or something like that, and without that C, tuning went into the
> shithole.
>
> Bottom line, be very carefull with your plugs.
>
> Having said that, rolling up on 100k is about the right time to be
> considering new plugs. Do not be in a rush to replace them if you cannot
> find the right ones.


Same here for a '78 Corolla. This was old-time, so at 40,000 I replaced
the plugs. They had a "C", OK....first letter in the name

Once it got below 45 degress the car was hard to start. I went to Toyota
and the guy said Did you use NGKs?

Installed fresh NGKs and ran them for...er...another year. Then someone
pulled out in front of me...
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Old 21 May 2013, 10:07 am   #5 (permalink)
Wes
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Default Re: spark plugs

A related question to this thread. Denso does not recommend to use anti-seize compound when installing SK20R11. I would like to get some feedback on this, if this is what I should do.
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