Spark Plugs... Different between Type S and Premium?
#1
Spark Plugs... Different between Type S and Premium?
OK, i searched and now am more confused than I started.
Pepboys sold me NGK Iridiums IX, part #: ZFR5FIX-11.
I have a type S.
Enter confusion: Helms manual states for Type S: NGK - PZFR6E.
So wouldn't I need: ZFR6FIX-11?
Every site I go to, sparkplugs.com and rockauto.com list the plug with the 5 rather than the 6. Is this an error?
Here is what I'm thinking:
NGK Stock Plugs
Type S: PZFR6E
Premium: PZF5F
NGK Iridium IX
Type S: ZFR6FIX
Premium: ZFR5FIX
Can anyone confirm?
Pepboys sold me NGK Iridiums IX, part #: ZFR5FIX-11.
I have a type S.
Enter confusion: Helms manual states for Type S: NGK - PZFR6E.
So wouldn't I need: ZFR6FIX-11?
Every site I go to, sparkplugs.com and rockauto.com list the plug with the 5 rather than the 6. Is this an error?
Here is what I'm thinking:
NGK Stock Plugs
Type S: PZFR6E
Premium: PZF5F
NGK Iridium IX
Type S: ZFR6FIX
Premium: ZFR5FIX
Can anyone confirm?
#2
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Ok, when I changed mine, I had the same issue. I ended up putting the "5F" in it and mine's a Type-S too. I was told here that it's no big deal but I am going to change them when I get the chance. BTW, I have not had ANY problems with it since it's had the 5F's in it.
#3
I now drive an accord....
Im pretty sure one just burns alittle hotter, but as he said it should be no big deal. Sorry I can't help with which one is correct for the car
#4
Originally Posted by CleanCL
OK, i searched and now am more confused than I started.
Pepboys sold me NGK Iridiums IX, part #: ZFR5FIX-11.
I have a type S.
Enter confusion: Helms manual states for Type S: NGK - PZFR6E.
So wouldn't I need: ZFR6FIX-11?
Every site I go to, sparkplugs.com and rockauto.com list the plug with the 5 rather than the 6. Is this an error?
Here is what I'm thinking:
NGK Stock Plugs
Type S: PZFR6E
Premium: PZF5F
NGK Iridium IX
Type S: ZFR6FIX
Premium: ZFR5FIX
Can anyone confirm?
Pepboys sold me NGK Iridiums IX, part #: ZFR5FIX-11.
I have a type S.
Enter confusion: Helms manual states for Type S: NGK - PZFR6E.
So wouldn't I need: ZFR6FIX-11?
Every site I go to, sparkplugs.com and rockauto.com list the plug with the 5 rather than the 6. Is this an error?
Here is what I'm thinking:
NGK Stock Plugs
Type S: PZFR6E
Premium: PZF5F
NGK Iridium IX
Type S: ZFR6FIX
Premium: ZFR5FIX
Can anyone confirm?
The higher the number the colder the plug. The S needs a colder plug because of the higher heat it makes from the higher compression than the P. If you use a plug that's too hot it could pre-ignition and loss of power. You'll probably never notice it because the computer pulls timing out until it stops. Same thing happens when you use a lower octane gas.
If you have a Type S get the 6's, unless you don't care about the slight loss of HP.
#6
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When I was searching for them at my local parts stores, every place had to special order the 6's. WTF! That's why I ended up going with the 5's not too mention because I couldn't find a straight answer on the forum.
#7
Exactly. The above is confirmed. Along with these:
DENSO (according to helms)
Type S: PKJ20CR-M11) (IK20)
Premium: PKH16CR-L11 (IK16)
BOSCH Platinum +4 (according to bosch website)
Type S: 4417
Premium: 4418
I understand why some would say it does not matter, but there is a reason why there is a difference between models.
DENSO (according to helms)
Type S: PKJ20CR-M11) (IK20)
Premium: PKH16CR-L11 (IK16)
BOSCH Platinum +4 (according to bosch website)
Type S: 4417
Premium: 4418
I understand why some would say it does not matter, but there is a reason why there is a difference between models.
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