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Fancy spark plugs #4566016
11/06/17 03:34 PM
11/06/17 03:34 PM
Joined: Jun 2013
Posts: 525
Albany, NY
ford46guy Offline OP
ford46guy  Offline OP
Joined: Jun 2013
Posts: 525
Albany, NY
I had a misfire on the explorer, and it turned out to be a cracked plug. I have Motorcraft Finewires in there now, they aren't too old, maybe 20K? I went to the Advance site, your head could spin from the choices. I'm thinking about replacing all of them if I can get more performance.

There are also some expensive ones, one caught my eye is the denso iridium TT.



Seems to have a double finewire, which would seem to be a good choice since OEM is finewire. These plugs cross to many GM engines as well.

I don't care about longevity, but a few more ponies or mpg would be nice smile

Last edited by ford46guy; 11/06/17 03:34 PM.

95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30
Re: Fancy spark plugs [Re: ford46guy] #4566031
11/06/17 03:43 PM
11/06/17 03:43 PM
Joined: Feb 2006
Posts: 2,657
Cincinnati
Chris Meutsch Offline
Chris Meutsch  Offline
Joined: Feb 2006
Posts: 2,657
Cincinnati
I've been using either Denso or NGK Iridium in my Honda's since 2001. Never an issue over 100k runs.


2005 Honda CR-V EX, 265k
Re: Fancy spark plugs [Re: ford46guy] #4566036
11/06/17 03:51 PM
11/06/17 03:51 PM
Joined: Apr 2008
Posts: 37,917
Ontario, Canada
OVERKILL Offline
OVERKILL  Offline
Joined: Apr 2008
Posts: 37,917
Ontario, Canada
You will gain absolutely zero power from more exotic spark plugs, generally the advantage is simply longer life.


2018 RAM 1500 Big Horn EcoDiesel
2016 Grand Cherokee SRT
Re: Fancy spark plugs [Re: ford46guy] #4566039
11/06/17 03:54 PM
11/06/17 03:54 PM
Joined: Aug 2008
Posts: 21,245
ON, Canada eh?
StevieC Online content
StevieC  Online Content
Joined: Aug 2008
Posts: 21,245
ON, Canada eh?
I have always used NGK Iridiums in all my domestic vehicles and Denso in the Asian cars I have driven. (Just because of availability) and never had an issue so I stick with them. I get the rated miles and more out of them too!


'18 Dodge Grand Caravan GT - AMSOIL SS 5w20
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF
Re: Fancy spark plugs [Re: Chris Meutsch] #4566042
11/06/17 03:55 PM
11/06/17 03:55 PM
Joined: Feb 2017
Posts: 318
NC
fenixguy Offline
fenixguy  Offline
Joined: Feb 2017
Posts: 318
NC
Originally Posted By: Chris Meutsch
I've been using either Denso or NGK Iridium in my Honda's since 2001. Never an issue over 100k runs.


+1 I change them at 100k but they look new.


'16 Frontier SV 4x4-PP/Nissan OEM
'08 CR-V EX AWD-Valvoline Syn MaxLife/Fram TG
'01 Civic EX-Valvoline Syn MaxLife/Fram UG
'00 Civic LX-PYB/Fram UG
Re: Fancy spark plugs [Re: ford46guy] #4566046
11/06/17 04:00 PM
11/06/17 04:00 PM
Joined: Jan 2013
Posts: 911
California
Kool1 Offline
Kool1  Offline
Joined: Jan 2013
Posts: 911
California
I have the Denso Iridium TT spark plugs in my 03 CRV. I have about 30,000 miles on them without any problems. The one thing I noticed when I changed my old plugs out is that my idle is now rock solid. My mpg has not changed and power is about the same as before.

Re: Fancy spark plugs [Re: ford46guy] #4566049
11/06/17 04:04 PM
11/06/17 04:04 PM
Joined: Dec 2011
Posts: 5,098
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 5,098
North Carolina
OEM plugs only for me.


"Zed's dead baby, Zed's dead."
Re: Fancy spark plugs [Re: Kool1] #4566055
11/06/17 04:09 PM
11/06/17 04:09 PM
Joined: Jun 2013
Posts: 525
Albany, NY
ford46guy Offline OP
ford46guy  Offline OP
Joined: Jun 2013
Posts: 525
Albany, NY
Originally Posted By: Kool1
I have the Denso Iridium TT spark plugs in my 03 CRV. I have about 30,000 miles on them without any problems. The one thing I noticed when I changed my old plugs out is that my idle is now rock solid. My mpg has not changed and power is about the same as before.


Those plugs look like they deliver a perfect spark.


95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30
Re: Fancy spark plugs [Re: ford46guy] #4566125
11/06/17 05:55 PM
11/06/17 05:55 PM
Joined: Mar 2008
Posts: 7,318
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 7,318
USA
The Denso TT is supposed to be a very good plug. And the price is so good, too smile

Here is the Denso TT site with a description and a video


Re: Fancy spark plugs [Re: ford46guy] #4566185
11/06/17 06:51 PM
11/06/17 06:51 PM
Joined: Nov 2011
Posts: 1,239
Lyndhurst NJ
Audios Offline
Audios  Offline
Joined: Nov 2011
Posts: 1,239
Lyndhurst NJ
Denso, Bosch, NGK, Beru all OEM manufacturers, use without worry.


2002 VW Golf TDI-Mobil 1 5/40 TDT
2007 Mercedes GL320 CDI Fuchs 5/40 GT Pro XTL
2005 BMW M3 BMW Twin Power 10/60
2003 BMW M5-Fuchs 5/40
1998 BMW M3/4/5 Fuchs 5/40
Re: Fancy spark plugs [Re: slacktide_bitog] #4566199
11/06/17 06:59 PM
11/06/17 06:59 PM
Joined: Jun 2013
Posts: 525
Albany, NY
ford46guy Offline OP
ford46guy  Offline OP
Joined: Jun 2013
Posts: 525
Albany, NY
Originally Posted By: slacktide_bitog
The Denso TT is supposed to be a very good plug. And the price is so good, too smile

Here is the Denso TT site with a description and a video



Those are pretty bold claims though. I'm sure they are great plugs but will I dyno more HP?


95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30
Re: Fancy spark plugs [Re: ford46guy] #4566286
11/06/17 08:43 PM
11/06/17 08:43 PM
Joined: Dec 2014
Posts: 509
MB - Manitoba
FastLane Offline
FastLane  Offline
Joined: Dec 2014
Posts: 509
MB - Manitoba
NGK for me


2010 Silverado 4.8 4x4 Mobil 1 5W30 ACDelco PF48E
2002 Mustang GT 4.6 Mobil 1 5W30 MC FL-820S
1966 Cessna 150 Phillips 20W50
2013 Mercury 30hp Mystic 25W40
Re: Fancy spark plugs [Re: ford46guy] #4566315
11/06/17 09:16 PM
11/06/17 09:16 PM
Joined: Jun 2011
Posts: 1,803
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,803
Crawfordville FL
I went with autolite platinum XP which is OEM equivalent for my application.

With modern coil on plug ignition any plug with appropriate gap and heat range is going to do the job. I personally run single electrode plugs. I feel that the x2 and x4 plugs are simply marketing


2010 Ford Fusion SE 3.0L V6, 181 miles M1 HM 10w-30
Re: Fancy spark plugs [Re: ford46guy] #4566324
11/06/17 09:32 PM
11/06/17 09:32 PM
Joined: Apr 2006
Posts: 9,278
Birmingham, AL
01rangerxl Offline
01rangerxl  Offline
Joined: Apr 2006
Posts: 9,278
Birmingham, AL
I put cheapo Autolite platinums in my old 4.0 about 25k miles ago, runs great.


2002 Ford Ranger XLT | 3.0 V6 Auto 2WD | 224K miles
1994 Ford Ranger STX | 4.0 V6 Manual 4X4 | 200K miles
1994 Ford Explorer XLT | 4.0 V6 Auto 4X4 | 246K miles
Re: Fancy spark plugs [Re: OVERKILL] #4566332
11/06/17 09:52 PM
11/06/17 09:52 PM
Joined: Nov 2011
Posts: 4,967
MTL, CANADA
Rolla07 Offline
Rolla07  Offline
Joined: Nov 2011
Posts: 4,967
MTL, CANADA
Originally Posted By: OVERKILL
You will gain absolutely zero power from more exotic spark plugs, generally the advantage is simply longer life.


This


2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967

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