Modular Spark Plug Part Number Chart
#1
Modular Spark Plug Part Number Chart
Found this on Socal Tuning's board. Thought it'd be handy. Enjoy!
modular plug chart
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
AR103 / 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
See below for updates.
modular plug chart
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
AR103 / 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
See below for updates.
#2
good catch but if I could add to that: the Motorcraft sparkplugs that start wth "AW" are the 1/2 thread design, which have/are being phased out for the full thread sparkplugs that start wth "AG" the ONLY exception to this is the FFV(flex-fuel) sparkplug AWSFA-12C which is still 1/2 thread and will prob reman that way or be discintinued, everything else remains the same.
so to sum it-up, AWSF-22C is now AGSF-22C, AWSF32C is now AGSF-32C
so to sum it-up, AWSF-22C is now AGSF-22C, AWSF32C is now AGSF-32C
#4
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Sir Charles
Modular 4.6L Tech
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07-29-2007 09:57 PM