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View Full Version : Denso Iridium IT20, 22, 24


jawz101
08-02-2005, 08:48 AM
Will IT24's work on a Marauder? Any difference?
RF Overlord
08-02-2005, 09:02 AM
IT24s will be WAY too cold...the IT16 is the stock plug, while some tuners recommend IT20s with their particular programming...the blower plug is an IT22...(note: there is no IT18)
jawz101
08-02-2005, 09:11 AM
IT24s will be WAY too cold...the IT16 is the stock plug, while some tuners recommend IT20s with their particular programming...the blower plug is an IT22...(note: there is no IT18)
Thanks a bunch. I found someone offering some on another forum but I had doubts that they would work.
CRUZTAKER
08-02-2005, 02:09 PM
Very expensive plugs as well.

$10+ per plug is ridiculous.

The Motorcraft equivilent to the IT-20 is the AWSFA12C. Difficult to obtain through the run of the mill parts stores, but easy through your dealer, and even cheaper through OUR member 'DEALER'.

And at about $33.50 a SET, they work wonderfull if you have your tune set to take advantage of the cooler plugs.
jawz101
08-02-2005, 03:22 PM
Very expensive plugs as well.

$10+ per plug is ridiculous.

The Motorcraft equivilent to the IT-20 is the AWSFA12C. Difficult to obtain through the run of the mill parts stores, but easy through your dealer, and even cheaper through OUR member 'DEALER'.

And at about $33.50 a SET, they work wonderfull if you have your tune set to take advantage of the cooler plugs.
Are those discontinued?
Dennis Reinhart
08-02-2005, 03:50 PM
Are those discontinued?

I carry both IT 20 and IT 22 as well as AWSFA12C AND 22C:beer:
CRUZTAKER
08-02-2005, 03:58 PM
Are those discontinued?
Absolutely not.

The part number just baffles the clerks at Autozone. :baaa:
Smokie
08-02-2005, 05:43 PM
Will IT24's work on a Marauder? Any difference?I purchased the IT20's from Dennis along with his tune and cooler stat, my MM. responded with excellent 1/4 mile times. I cannot tell you that the Denso's are much better than the cooler Motorcrafts because I have no way of proving it.

You already are aware the Denso's cost about 3 times as much, having said that. The Denso's were part of a package that propelled my car to very respectables times and good dyno results, I have no regrets about the Denso's.
jawz101
08-02-2005, 05:51 PM
I appreciate the input guys. I'm emailing DR about this.

FYI- '04 Silver MM purchased off the lot May 31st, 2004. Currently about 8700 miles.
SCT XCal2 & tune from DR
--Future mods?--
Well, obviously some plugs & thermostat
PHP airbox from DR
PHP Intake Spacer (a big IF because I can't get a good handle on if it does anything noticeable)
Meziere Water Pump
Steeda UD Pulleys

BTW - I just can't bring myself to change out for 4.10's. I'm really not concerned w/ dragging, just getting HP