Spark Plug List For Mustangs

Casper98GT · May 9th, 2007, 04:38 PM

Credit given to ALLMTR2V on the corral forums.

MOTORCRAFT
AWSF-32C / stock heat range - copper plug
AWSF-22C / 1 Heat range colder - copper plug
AWSFA-12C / 2 Hea range cooler - copper plug
AGSF-32C/ Recommended for FRPP heads(not sure on heat range)

NGK
TR-55/ 3951/ Stock Heat Range
TR-6/ 4177/ 1 Step Colder
BP7EFS (PN - 3526) BR7EF (PN - 3346) two steps
R5724-8 (PN - 7317) two and a half steps
R5724-9 (PN - 7891) three steps
R5724-10 (PN - 7993) four steps

AUTOLITE
764s / Stock
103s / 1 heat range cooler
AR94 / 2 heat range cooler
AR93 / 3 heat range cooler
AR92 / 4 heat range cooler

CHAMPION
YS-59C / -3 or -4 below stock heat range

DENSO
IT16 / stock heat
IT20 / -1 heat range
IT22 / -2 heat range
IT24 / -3 heat range

itschristorres8 · June 17th, 2007, 01:29 PM

im guessing this is for only v8s
cause autolite stocks are 765...
all v6s are just a number up or down i believe

i also hear that u dont really wana use NGK on a mustang to stick with motocraft or autolite

ChrisJ · June 17th, 2007, 04:06 PM

Got the same info from MPH as well...I posted it in the 99-04 section...This is for the V8 Mod Engines...

SWEET2KSTANG · June 18th, 2007, 09:14 AM

i run champion plugs in my car. i had the 304's which is one stage colder and now i run the 344's which are 2 stages colder.

03 R Code · June 18th, 2007, 11:10 AM

I run the NGK plug (TR-6's) and haven't had any problems out of those. I change them after about every 5-6 bottles...Just in cases!

mmustangsrus · July 1st, 2007, 01:22 PM

i run ngk tr6ix`s in my cobra & they are awesome &

they are the "recomened" plug for a supercharged mustang !!!!!!

Stagray · July 22nd, 2007, 04:04 AM

Is it possible to run higher heat stages on a stock motor and not hurt anything?

PonyXpress · August 5th, 2007, 03:44 PM

nobody likes the bosch platinum+4's?

The eaglenator · August 19th, 2007, 04:57 PM

How often should I change my plugs? I've got a 2000 GT V8 4.6 liter. All stock except for a CAI. Thanks

DaNnY · September 3rd, 2007, 09:40 PM

I worked for Autozone a while back, and almost every single Bosch +2 or +4 that we sold, the customer almost always came back with fouled plugs, check engine light on w the car miss-firing. I don't know if the plugs are poorly made or what. -DaNnY-

carnut59 · September 4th, 2007, 12:21 AM

the bosch +2 and +4 just like the spitfires will damage the pistons and cause other problems. i dont know anyone who likes them.

Dennis · September 4th, 2007, 01:53 PM

ok so being a uninformed individual what exactly does getting a cooler plug do for the car ?and what ranges shoudl people run who are stock

Dennis · September 5th, 2007, 03:12 AM

???????? hello anyone home (hears echos)

ModMustang97GT · September 17th, 2007, 06:03 PM

For nitrous and FI cars, the step colder makes them less likely to detonate.

gills99stang · February 8th, 2008, 07:35 PM

So is it better to go cold as possible?

SWEET2KSTANG · February 8th, 2008, 09:32 PM

it wont hurt, but its all about efficientcy. the hotter you can keep a spark, the more efficient, but have to be carefull about detonation too.

gills99stang · February 8th, 2008, 09:33 PM

So how do you determine what's most efficient between keeping it hot and keeping down detonation?

SWEET2KSTANG · February 8th, 2008, 09:36 PM

knowing what exactly is done on the motor, temperatures, fuel, etc. etc. a lot of data logging, pulling plugs, and even checking injectors.

Randy Stinchcomb · November 10th, 2008, 05:37 PM

Originally Posted by Casper98GT

Credit given to ALLMTR2V on the corral forums.

MOTORCRAFT
AWSF-32C / stock heat range - copper plug
AWSF-22C / 1 Heat range colder - copper plug
AWSFA-12C / 2 Hea range cooler - copper plug
AGSF-32C/ Recommended for FRPP heads(not sure on heat range)

Motorcraft sparkplugs have changed part #'s and some are now only aval in a full thread design, new part #'s are as follows......

SP-447 replaces the AWSF-32-C & AGSF-32-C, Full Thread design-stock heat range in a copper core
SP-505 replaces the AWSF-22-C & AGSF-22-C, Full Thread design-1 step down from stock, also copper core
SP-494 replaces the AWSFA-12-C still a 1/2 thread design-2 steps down from stock, copper core

97mustanggt · November 12th, 2008, 02:43 AM

so wats best for 96-98 cobras...wat plug will give it like .8mpg or .8h.p...haha...wat plug is the best for these cars?

June 17th, 2007, 01:29 PM	#2
itschristorres8 V-SICKS 00 V6 & 09 GT 13.37@104.4mph--BONE stock GT Join Date: Aug 2006 Location: south florida Posts: 15,657	im guessing this is for only v8s cause autolite stocks are 765... all v6s are just a number up or down i believe i also hear that u dont really wana use NGK on a mustang to stick with motocraft or autolite __________________ The Devil & The Daily Daily-13.37@104.4mph V6- Stock bottom-439rwhp & 402rwtq 12psi 100oct built motor-497rwhp & 508rwtq 15psi pump

June 17th, 2007, 04:06 PM	#3
ChrisJ "Slow Ass Car" 2002 Mustang GT SLOW Join Date: Jun 2006 Location: Louisville, Kentucky Posts: 19,715	Got the same info from MPH as well...I posted it in the 99-04 section...This is for the V8 Mod Engines... __________________ www.myspace.com/cjobe

June 18th, 2007, 09:14 AM	#4
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 Join Date: Oct 2006 Location: N.W. AR Posts: 8,987	i run champion plugs in my car. i had the 304's which is one stage colder and now i run the 344's which are 2 stages colder. __________________ right now, she is a jackstand warrior if the car was a horse, i would shoot it!!! project warhorse under construction

June 18th, 2007, 11:10 AM	#5
03 R Code Hardcore Enthusiast unstoppable @ speed of light Join Date: Jul 2006 Location: Knees deep in dat ass Posts: 2,941	I run the NGK plug (TR-6's) and haven't had any problems out of those. I change them after about every 5-6 bottles...Just in cases! __________________ Political correctness is a doctrine fostered by a delusional, illogical, liberal minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end.

August 5th, 2007, 03:44 PM	#8
PonyXpress Newbie Join Date: Jan 2007 Location: Kuwait Posts: 30	nobody likes the bosch platinum+4's? __________________ What's the point of living if your can't keep up with life in the fast lane?

Sponsored Links	Remove Advertisements
Forums at Modded Mustangs Advertisement

July 1st, 2007, 01:22 PM	#6
mmustangsrus Newbie Join Date: Jul 2007 Posts: 2	i run ngk tr6ix`s in my cobra & they are awesome & they are the "recomened" plug for a supercharged mustang !!!!!!

July 22nd, 2007, 04:04 AM	#7
Stagray Regular Join Date: Jul 2007 Location: Hampton, VA Posts: 118	Is it possible to run higher heat stages on a stock motor and not hurt anything?

August 19th, 2007, 04:57 PM	#9
The eaglenator Hardcore Enthusiast Join Date: Sep 2006 Location: Herrin Il Posts: 2,238	How often should I change my plugs? I've got a 2000 GT V8 4.6 liter. All stock except for a CAI. Thanks __________________ Offical MM Zepplineers crew member #4-Commander http://i170.photobucket.com/albums/u...r1/egalght.gif http://i170.photobucket.com/albums/u...m134137df1.jpg

September 3rd, 2007, 09:40 PM	#10
DaNnY Newbie Join Date: Sep 2007 Location: Austin, Tx Posts: 9	I worked for Autozone a while back, and almost every single Bosch +2 or +4 that we sold, the customer almost always came back with fouled plugs, check engine light on w the car miss-firing. I don't know if the plugs are poorly made or what. -DaNnY-

September 4th, 2007, 12:21 AM	#11
carnut59 Enthusiast 2001 mustang gt two days slower than a toyota prius Join Date: Sep 2007 Location: dfw, texas Posts: 539	the bosch +2 and +4 just like the spitfires will damage the pistons and cause other problems. i dont know anyone who likes them. __________________

September 4th, 2007, 01:53 PM	#12
Dennis Officer Farve 2003 F150 XLT FX4 it's a truck ya moron Join Date: Sep 2006 Location: ozark mo Posts: 1,205	ok so being a uninformed individual what exactly does getting a cooler plug do for the car ?and what ranges shoudl people run who are stock __________________ HARDCORE CREW MEMBERS AGAINST STREET RACING

September 5th, 2007, 03:12 AM	#13
Dennis Officer Farve 2003 F150 XLT FX4 it's a truck ya moron Join Date: Sep 2006 Location: ozark mo Posts: 1,205	???????? hello anyone home (hears echos) __________________ HARDCORE CREW MEMBERS AGAINST STREET RACING

September 17th, 2007, 06:03 PM	#14
ModMustang97GT Hardcore Enthusiast 1997 Mustang GT Faster than an s4 Join Date: Aug 2007 Location: Seattle, WA Posts: 1,315	For nitrous and FI cars, the step colder makes them less likely to detonate.

February 8th, 2008, 07:35 PM	#15
gills99stang Achieving more N/A power! When this baby hits 88 miles an hour... Join Date: Sep 2006 Location: Virginia Beach, Virginia Posts: 3,100	So is it better to go cold as possible? __________________ Brendan '99 Mustang GT [ 318 rwhp N/A ] '04 F150 XLT SuperCab For Sale: SVO 900 Hood ($180 Shipped)

All times are GMT -4. The time now is 10:55 PM.
Contact Us - Modded Mustangs - Privacy Statement - Top
Modded Mustangs is ©2005-2008, All Rights Reserved, And is Not Affiliated with Ford Motor Company. Forum is powered by vBulletin ©2000 - 2009, Jelsoft Ent. Ltd. & SEO by vBSEO 3.1.0 ©2007, Crawlability, Inc.

February 8th, 2008, 09:32 PM	#16
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 Join Date: Oct 2006 Location: N.W. AR Posts: 8,987	it wont hurt, but its all about efficientcy. the hotter you can keep a spark, the more efficient, but have to be carefull about detonation too. __________________ right now, she is a jackstand warrior if the car was a horse, i would shoot it!!! project warhorse under construction

February 8th, 2008, 09:33 PM	#17
gills99stang Achieving more N/A power! When this baby hits 88 miles an hour... Join Date: Sep 2006 Location: Virginia Beach, Virginia Posts: 3,100	So how do you determine what's most efficient between keeping it hot and keeping down detonation? __________________ Brendan '99 Mustang GT [ 318 rwhp N/A ] '04 F150 XLT SuperCab For Sale: SVO 900 Hood ($180 Shipped)

February 8th, 2008, 09:36 PM	#18
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 Join Date: Oct 2006 Location: N.W. AR Posts: 8,987	knowing what exactly is done on the motor, temperatures, fuel, etc. etc. a lot of data logging, pulling plugs, and even checking injectors. __________________ right now, she is a jackstand warrior if the car was a horse, i would shoot it!!! project warhorse under construction

November 12th, 2008, 02:43 AM	#20
97mustanggt Enthusiast 97GT & 97Snake T.B.A Join Date: Aug 2008 Location: Richgrove, Ca Posts: 988	so wats best for 96-98 cobras...wat plug will give it like .8mpg or .8h.p...haha...wat plug is the best for these cars?

Threads Similar to: Spark Plug List For Mustangs
Thread	Thread Starter	Forum	Replies	Last Post
spark plug gap	white93pony	5.0 Mustangs	8	October 13th, 2007 11:51 AM
Spark Plug Gap??	smokiebear911	99-04	6	July 19th, 2007 12:26 PM
Spark plug gap?	8A_Honda	V6 Mustangs	5	July 6th, 2007 02:43 PM
Spark plug gap	flattusmaximus78	V6 Mustangs	27	June 30th, 2007 01:46 AM
spark plug gap	droppedbass87	96-98	6	June 4th, 2007 11:40 PM