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OEM Champion Spark Plug gapping is incorrect

12584 Views 6 Replies 2 Participants Last post by  hemidakota
While I was changing out the OEM battery, I took the liberty to check the gapping on the spark plugs. A bad habit with prior Dodges and Champion goof ups with proper gapping.

This is what I found:

CYLINDER #1: .046
CYLINDER #2: .047
CYLINDER #3: .046
CYLINDER #4: .044

Yes, like always, Champion never got it right when delivering the SRT-4 plugs to DCX.

However, the proper gapping is .050.

May have to try one colder range spark plug and see what happens. Along, with a 20 degree colder thermostat.
1 - 7 of 7 Posts
CHAMPION PLUG PART NUMBER: RE14MCCS

Cars that have 2.4 ltr motors that used the same spark plugs:

Stratus 2.4ltr
Galant 2.4ltr
Lancer 2.4ltr

However they use a RC12XXXX series vice the RE14 series plug.
so the gap should be .050?
Thanks.

I gotta get my FSM.
I had check around and no cross reference of the RE14 series spark plug to an Iridium style plug. For that matter, no cross reference for the RE14 series plug at all.

I want to test these plug out on the car for further gains or just hype.

I now asked BJ for inside help from DCX.
According to the Denso folks feedback, here is a conversion chart from Champion to Denso Iridium:

Part Iridium Part
207 IK22
208 IK24
209 IK27
A59C IX27
A59G IX27
A59GC IX27
A5YC IX27B
A6 IX24
A61 IX27
A61G IX27
A6G IX24
A6HC IX24B
A6YC IX24
A8HC IX22B
A8Y IX24
A8YC IX22B
BL11Y ITF20
C10YCC IQ20
C10YCX IQ20
C12YCC IQ16
C279YC IQ22
C281YC IQ20
C53C IK31
C55C IK31
C57C IK31
C57YC IK31
C59C IK27
C59C IK27
C59YC IK27
C61C IK27
C61YC IK27
C63C IK24
C63YC IK24
C6BMC IK22
C6BYC IK22
C6BYC4 IK22
C6VPYC IK22
C6YCC IQ22
C6YCX IQ22
C7GY IK22
C7YC IQ22
C7YCC IQ22
C7YCX IQ22
C9BMC IK20
C9BYC IK20
C9GY IK20
C9YC IQ20
C9YC4 IQ20
C9YCC IQ20
C9YCX IQ20
G2 IU24
G55 IU31
G55C IU31
G57C IU31
G58 IU27
G59C IU27
G59R IU27
G61 IU27
G63 IU24
G63 IU24
GI IU27
L2G IWF27
L3G IWF24
L4G IWF22
L4J IWF27
L5 IWF22
L57R IWF27
L57R IWF27
L58R IWF27
L60R IWF24
L61Y IWF24
L62R IWF24
L64Y IWF22
L66Y IWF22
L6G IWF22
L6G IWF22
L77J IWF27
L77J4 IWF27
L77JC IWF27
L77JC4 IWF27
L78C IWF24
L78C IWF24
L78Y IWF24
L7J IWF22
L81Y IWF22
L82C IWF22
L82C IWF22
L82YC IWF22
L82YCC IWF22
L85C IWF22
L85C IWF22
L87R IWF27
L87YC IWF22
L87YCC IWF22
L9G IWF22
L9J IWF22
N1 IW31
N10PY IW20
N10Y IW20
N10Y IW20
N10Y4 IW20
N10Y4 IW20
N11YC IW16
N11YC IW16
N11YC4 IW16
N11YC4 IW16
N11YCC IW16
N12YC IW16
N12YC IW16
N12YCC IW16
N13Y IW16
N14LY IK16
N14Y IW16

N1C IW27
N279Y IW22
N279YC IW22
N281YC IW20
N2C IW27
N2G IW27
N3C IW24
N3CX IW24
N3G IW24
N4YC IW22
N55G IW34
N57 IW31
N57G IW31
N59G IW29
N60 IW27
N64Y IW24
N65Y IW22
N66Y IW20
N6BYC IW22
N6GY IW24
N6YC IW24
N6YCC IW24
N6YCX IW24
N79Y IW22
N7BMC IW20
N7BYC IW22
N7GY IW22
N7YC IW22
N7YC IW22
N7YC4 IW22
N7YCC IW22
N7YCX IW22
N80G IW34
N82 IW29
N82G IW31
N82S IW31
N84 IW27
N84G IW29
N86 IW24
N86G IW27
N87 IW24
N87G IW24
N8GY IW20
N8Y IW20
N9BMC IW20
N9BYC IW20
N9BYC4 IW20
N9Y IW20
N9YC IW20
N9YC IW20
N9YC4 IW20
N9YC4 IW20
N9YCC IW20
N9YCX IW20
OBL9Y ITF20
ON11Y IW16
ON12Y IW16
P82M IWF22
QC57 IK31
QC57C IK31
QC59 IK31
QC59C IK27
QC59YC IK27
QC9MC4 IK20
QL77CC IWF27
QL77J IWF27
QL77J4 IWF27
QL77JC IWF27
QL77JC4 IWF27
QL78C IWF24
QL78YC IWF24
QL7J IWF22
QL81Y IWF22
QL82C IWF22
QL82YC IWF22
QL86C IWF22
QL87C IWF22
QL87YC IWF22
QN2C IW27
QN2G IW27
QN3C IW24
QN84 IW27
QN86 IW24
R6 IX24
R6G IX24
R8 IX22
RA6HC IXU24
RA6YC IXU24
RA8HC IXU22
RA8YC IXU22
RC10MC4 IK16
RC10PMPA IK16
RC10PYC IK16
RC10PYP4 IK16
RC10YC IK16
RC10YC4 IK16
RC10YCC IK16
RC10YCC4 IK16
RC12PYP IK16
RC12YC IQ16
RC12YC IQ16
RC12YC4 IQ16
RC12YC5 IK16
RC12YC5 IQ16
RC279YC IQ22
RC281YC IQ20
RC57C IK31
RC59C IK27
RC59YC IK27
RC61YC IK27
RC6BMC IK22
RC6PYP IK22
RC6VPYC IK22
RC6YC IQ22
RC7BMC IK22
RC7BYC IK22
RC7BYC4 IK22
RC7GYC IK22
RC7YC IQ22
RC7YC4 IQ22
RC7YCC IQ22
RC7YCC4 IQ22
RC7YCX IQ22
RC89PYC IK16
RC8PMPA IK20
RC8PYP IK20
RC8PYP4 IK20
RC8VTYC IK20
RC8YC IK20
RC8YC4 IK20
RC8YCC IK20
RC8YCC4 IK20
RC9BMC IK20
RC9BYC IK20
RC9MC4 IK20
RC9MCC IK20
RC9MCC4 IK20
RC9YC IQ20
RC9YC4 IK20
RC9YC4 IQ20
RC9YCC IQ20
RC9YCC4 IQ20
RC9YCN4 IK20
RE10LC IT20
RG4HC IU22
RG4PHP IU24
RL4J IWF24
RL77J IWF27
RL77JC4 IWF27
RL78C IWF24
RL7J IWF22
RL82C IWF22
RL82YC IWF22
RL82YCC IWF22
RL86C IWF22
RL87YC IWF22
RL87YCC IWF22
RN10GY IW20
RN10Y4 IW20
RN10Y4 IW20
RN10YC IW20
RN11YC IW16
RN11YC IW16
RN11YC IW16
RN11YC4 IW16
RN11YC4 IW16
RN11YCC IW16
RN11YCC4 IW16
RN12MC4 IW16
RN12YC IW16
RN12YC IW16
RN12YC4 IW16
RN12YC6 IW16
RN12YCC IW16
RN13L IK16
RN13LYC IK16
RN14LY IK16
RN14MC5 IW16
RN14PMP5 IW16
RN14YC IW16
RN1C IW27
RN2 IW27
RN279YC IW22
RN281YC IW20
RN2C IW27
RN2G IW27
RN3C IW24
RN3C IW24
RN3G IW24
RN57YC IW29
RN6YC IW24
RN6YCX IW24
RN7BYC IW22
RN7GY IW22
RN7Y IW22
RN7YC IW22
RN7YC4 IW22
RN7YCC IW22
RN7YCC4 IW22
RN7YCX IW22
RN8VTYC IW20
RN9GY IW20
RN9YC IW20
RN9YC IW20
RN9YC4 IW20
RN9YC4 IW20
RN9YCC IW20
RN9YCC4 IW20
RN9YCX IW20
RS10LC IT20
RS10LC IT20
RS12YC IT16
RS12YC6 IT16
RS13LYC IT16
RS13LYC IT20
RS14LC IT16
RS14YC IT16
RS14YC6 IT16

RS15LYC IT16
RS16YC IT16
RS279YC IT22
RS281YC IT20
RS5C IT22
RS6YC IT22
RS6YCC IT22
RS7YC IT22
RS9YC IT20
RS9YCC IT20
RS9YCX IT20
RV12C ITF16
RV12C6 ITF16
RV12YC ITF20
RV12YC6 ITF20
RV12YC6 ITF20
RV15YC ITF16
RV15YC4 ITF16
RV15YC6 ITF16
RV15YC8 ITF16
RV17YC ITF16
RV17YC6 ITF16
RV19YC ITF16
RV19YC6 ITF16
RV8C ITF20
RV8C6 ITF20
RV9YC ITF20
RZ8 IUF22
S10YCC IT20
S12YC IT16
S12YCC IT16
S14YC IT16
S279YC IT20
S281YC IT20
S379YC IT22
S6YC IT22
S6YC IT22
S6YCC IT22
S7YC IT22
S7YCC IT22
S9YC IT20
S9YCC IT20
S9YCX IT20
UL4J IWF22
UL81C IWF24
UL81J IWF24
UN79Y IW22
V12YC ITF16
V15YC ITF16
V9YC ITF20
Z10 IUF22
Z10G IUF22
Z12 IUF22
Z6 IUF24
Z7G IUF22
Z8 IUF22
Z9Y IUF22
-------------------------------------------------------
How to Identify DENSO Spark Plugs
http://www.iridiumpower.com/identifyplugs.htm

What is this, a special Champion spark plug that only DC carries and does not crossreference to other brands?
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