Just replaced plugs...

Discussion in '80-Series Tech' started by bderks, Jun 10, 2003.

  1. bderks

    bderks

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    I just changed my plugs on my 97 for the first time since I bought it last year. Number 6 was a hoot to get out BTW. When I took the old plugs out, the gap on all of them was nearly 1.5mm and they looked like this:

    [​IMG]

    What in the wide world of sports is that white scaly crap? The dealer I bought the 80 from supposedly did a full tune including plugs. &nbsp:Does this look like normal plug wear after 15,000 miles? Thanks

    bderks
     
  2. Beowulf

    Beowulf

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    bderks,

    The following link provides some pictures of spark plugs and explains certain conditions. Yours looks fairly normal to me. I don't see the scaly white crap you mentioned. It appears that there is more than 15k miles on it but I haven't pulled one from a 1FZ-FE w/15k miles to compare.

    Is that rust in the plug threads?  If that's the #6 and it has rusty threads then....  (let's not go there just yet.)

    http://www.ngksparkplugs.com/techinfo/spark_plugs/faq/faqread2.asp?nav=31200&country=US

    -B-
     
  3. bderks

    bderks

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    Thanks B, just wanted to make sure. Nope, that's not rust, I think it's just the reflection of the metal in the pic. Just curious - what would that indicate? One other thing - does the gap change with wear?
     
  4. Beowulf

    Beowulf

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    bderks,

    I changed the above link to a NGK site with better pictures.

    "Normal rates of gap growth are as follows:
    Four Stroke Engines: 0.01~0.02 mm/1,000 km (0.00063~0.000126 inches/1,000 miles)"


    >> Just curious - what would that indicate? <<
    Never mind, just my over-active imagination and obsession with certain topics that are best left in the closet.

    -B-
     
  5. cruiserdan

    cruiserdan SupportingVendor Emeritus Moderator

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    The Wulf is convinced that his beloved head gasket is going to puke all over the place any second. ::)


    Been thinking about sneaking over to his place and pouring a big puddle of you-know-what under the motor. :G


    I would but I'm afraid I'll poison the pets. :ugh:
     
  6. CruisinGA

    CruisinGA

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    C-dan, my moms 'burban leaks around a gallon a week of coolant, (getting fixed soon) I have a beagle, we didn't realize it, she never got sick, I never even saw her touch it. Supposedly dogs like it, but its poisonous, guess my dog is just smarter than the rest :dunno: :D.
     
  7. Beowulf

    Beowulf

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    C-Dan,

    >> The Wulf is convinced that his beloved head <<
    >> gasket is going to puke all over the place any <<
    >> second. <<

    Actually, I was thinking about bderks' head gasket, not mine. Now that you mention it, if mine is going to puke then I don't want it to be out in the boonies, 200 miles from civilization.

    Or even worse, on a trip with the Rover guys. How humiliating. Toyota should offer to install a new one on my '97 as "goodwill" just to prevent that scenario.  :G

    -B-
     
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