spark plug extender

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10-29-2015 | 08:50 AM

steve miller

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spark plug extender

I recently bought a 1985 pick up w/22R. 40k miles. On two of the plugs were installed extenders .Anyone know why these might have been installed.

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10-29-2015 | 09:50 AM

millball

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From: Southern Arizona

They are ordinarily used to prevent, or delay, oil fouling of spark plugs on worn engines.

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11-01-2015 | 12:29 AM

Odin

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Quote:

Originally Posted by millball

They are ordinarily used to prevent, or delay, oil fouling of spark plugs on worn engines.

^Exactly.

steve miller
That's never a good sign. You might want to do compression AND leak down tests ASAP to see if there's something up. If both tests are good just install the plugs directly in the head like normal.

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11-01-2015 | 12:45 PM

thzpcs

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How does it work without the extenders?

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11-04-2015 | 09:42 AM

steve miller

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checked comp. 160-170 on all 4.am trying to do a desmog at the same time and it is still running rough.

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