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Modular Spark plug info

Old 04-16-2006, 08:22 PM
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Default Modular Spark plug info

Figure we could use this..
MOTORCRAFT

PART# / HEAT RANGE
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

PART# / HEAT RANGE
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

PART# / HEAT RANGE
764s / Stock
103s / 1 heat range cooler
AR94 / 2 heat range cooler
AR93 / 3 heat range cooler
AR92 / 4 heat range cooler

CHAMPION

PART# / HEAT RANGE
YS-59C / -3 or -4 below stock heat range

DENSO

PART# / HEAT RANGE
IT16 / stock heat
IT20 / -1 heat range
IT22 / -2 heat range
IT24 / -3 heat range

Last edited by blueeyeddevil; 04-28-2006 at 09:47 PM.
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Old 05-10-2006, 11:57 PM
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arent the stock motorcrafts platinum?
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Old 12-31-2006, 02:07 AM
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Ummm, I just noticed something, and correct me if I am wrong here....but TR-55 by NGK and the TR-6's are the same plugs I use in my LS1's! So the Mustang uses the same spark plugs?

The reason I am asking, is my '07 is a 3V motor, can I just use my extra set of plugs I have laying around for the Mustang when they are due for a change?
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Old 01-12-2007, 04:53 PM
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Originally Posted by SOMFormula
Ummm, I just noticed something, and correct me if I am wrong here....but TR-55 by NGK and the TR-6's are the same plugs I use in my LS1's! So the Mustang uses the same spark plugs?

The reason I am asking, is my '07 is a 3V motor, can I just use my extra set of plugs I have laying around for the Mustang when they are due for a change?
They "may" be the same but better compare the length of threads as one maybe longer then the other and it might hit the piston. -Mark
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