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02-27-2018, 11:38 AM | #19 |
Drives: 07 BB yaris / 06 Mustang Gt Join Date: Apr 2007
Location: northern california
Posts: 136
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I am still running original timing chain, spark plugs @ 183k Miles
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02-27-2018, 01:28 PM | #20 |
Drives: 2007 2-door hatchback Join Date: Jul 2016
Location: USAnotCA
Posts: 750
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Spark plugs
my likely original Iridium spark plugs had spec gap at 135k miles. (They and the engine cover nuts released in sort of never touched since assembly way.)
One risk w/ old plugs is the porcelain cracking near the end of the center electrode...kills engine. |
02-28-2018, 01:14 PM | #21 |
Drives: 07 BB yaris / 06 Mustang Gt Join Date: Apr 2007
Location: northern california
Posts: 136
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Good to know. What’s the gap on stock plugs.
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03-07-2018, 04:33 PM | #22 |
Drives: 2009 yaris 2 door Join Date: Feb 2013
Location: richmond TX.
Posts: 232
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Timing chain on the 09 of course. And you should be good to go for 500k miles before even thinking of replacement. I believe the computer will compensate for any chain stretch to make a little difference, if any.
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