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01-28-2016
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#1 |
 Join Date: Nov 2014
Location: Brooklyn ny
Posts: 1,045
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Spark plugs ? Denso it-22 iridiums?
Looking to swap out my AC Delco plugs in the spring (that's what came with the car).......Car is a 91 with some mods- headers, exhaust , top end porting...
I see some members are running the Densos.....Any recommendations? Of course I will check before I install,but, do they come pre-gapped? Thank you... |
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01-28-2016
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#2 |
 Join Date: Nov 2011
Location: Dunbarton NH
Posts: 7,496
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Re: Spark plugs ? Denso it-22 iridiums?
There have been a number of threads on this already. Do a search, you'll find some good info out there.
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01-30-2016
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#3 |
 Join Date: Jun 2005
Location: CenCoast California
Posts: 899
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Re: Spark plugs ? Denso it-22 iridiums?
I've been using the IT-22 for about ten years in my LT5. Great plugs! With the success I had using them in that, I now use either the IT-20, IT-22 or the IT-24 in all my engines except the one in our new ATS-V. Just haven't gotten around to changing to Denso in that.
They come "pre-gapped" but I sometimes change that depending on the engine and the ignition coils being used.
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Hib Halverson Technical Writer former owner 95 VIN 0140 current owner 19 VIN 1878 |
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