Re: What size spark plug socket to buy

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Old 21 Feb 2009, 06:02 pm   #1 (permalink)
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Default Re: What size spark plug socket to buy

My preferred spark plug for the Camry would be the NGK Iridium-IX,
BKR6EIX-11 (or for a couple bucks more the Laser-Iridium with a
platinum ground pad). If you want cheaper plugs, go with G-Power
BKR6EGP but I wouldn't go cheaper than that. (For the 7A-FE 1.8L
Corolla engine, consider BKR5EIX or BKR5EGP). Check
for prices and shipping cost.

The fact that the second letter is K (for both plugs) means that it
uses a 5/8" construction and you will need a 5/8" spark plug socket,
such as:

$3.99 5/8" socket, 3/8" drive (this is what I use):

or you can get a $9.99 set of 4 sizes:

Read the spark plug code chart at:
B = 14 mm threaded diameter
*** K = 5/8" construction
R = resistor
6 = heat range
E = 1.5mm center electrode insulator
IX = Iridium IX
-11 = pre-gapped at the factory to 1.1mm (absolutely no re-gapping
an Iridium)

You need to follow torque specification in the REPAIR MANUAL, not
necessarily the generic instruction on the NGK site, which says 18-21
lb/ft. Why? Because these are dry values. The manuals tells you to dab
*a little* spark plug anti-seize (2-3 threads AWAY from the tip end)
and torque to 13 lb/ft. Since anti-seize lowers torque required, so 13
lb/ft is what you use, not 18. Otherwise you over torque and may strip
the threads in the cylinder head (read: $$$$$).

Generic spark plug installation instruction:

Spark plug antiseize, about $1.25 for each one-use pouch. (A tube is

On Feb 20, 9:06*pm, wrote:
> I was wondering, what size spark plug socket do i buy for my 1996
> toyota camry and corolla?
> Also, how tight should i tighten the spark plug with the torque wrench?

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