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Do OEM bosch spark plugs come properly gapped?

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Old 07-20-2003, 09:57 AM
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Default Do OEM bosch spark plugs come properly gapped?

I got a set of bosch F7LTCR OEM plugs from ECS tuning to go in when my KO4 goes in, hopefully next weekend, and I was wondeing if they need to be regapped?

Also ECS shipping and service was excellent.
Old 07-20-2003, 10:21 AM
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Default never trust the gap of a plug from the manufacturer, check it and set it yourself..

remember do NOT pry against the electrode for thin tipped plugs. Get the proper tool.
Old 07-20-2003, 10:41 AM
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what about Denso Iridium? Those are not recommended to be regapped as they come pre set.
Old 07-20-2003, 10:50 AM
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thanks, i will probably just have my mechanic gap them
Old 07-20-2003, 11:12 AM
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Default iridiums fall under the too much money category. A lot of people have had problems in the past

and some have had good results all dependant on the mods done to the car... personally i run copper plugs now and they work just fine. Replace them with each oil change which forces me to check/replace the plugs fairly frequently. Which in my opinion is a good thing
Old 07-20-2003, 12:01 PM
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Default they work out of the box

I just replaced mine and thought about having to check the gap. After checking the archives, the consenses seems to be, if it's OE, don't worry about re-gapping. Plus, the OE plugs have 3 prongs,... you can't easily re-gap them as with other single prong plugs (like the NGK or Denso).

BTW, I ran them at Watkins Glen last week, and the stock plugs work flawlessly.

Cris
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