KB and Spark Plugs

el_kid_1 · Dec 16, 2003

I'm in the middle of the install of my KB S/C kit and noted that the part number of the spark plugs I received from Sparkplugs.com is IT16. The Denso
spark plug chart included in the KB S/C installation manual says that for a '00 Mustang GT the spark plug part number should be IT20. What's the difference bewteen the two? Can I proceed to install my IT16s or should I have them replaced for IT20s? Please advice.

Screwed2V · Dec 16, 2003

20s are a heat range colder than 16s I believe. I'd use what the kb manual says to use.

el_kid_1 · Dec 16, 2003

The IT16 are the factory heat range while the IT20 are 1 heat range colder. If I use the IT16, which I already got, will I have problems with the performance of the S/C? I just shed $115 for the IT16s. I don't like the idea of having to shed another $115s for the IT20s.

Screwed2V · Dec 16, 2003

el_kid_1 said:
The IT16 are the factory heat range while the IT20 are 1 heat range colder. If I use the IT16, which I already got, will I have problems with the performance of the S/C? I just shed $115 for the IT16s. I don't like the idea of having to shed another $115s for the IT20s.

Colder plugs are used to help keep detonation away. I wouldn't use anything other than what kb says to use.

el_kid_1 · Dec 16, 2003

Got it! I don't want any detonation on my car...so I will have to spend $115 more...

DC-GT · Dec 16, 2003

el_kid_1 said:
Got it! I don't want any detonation on my car...so I will have to spend $115 more...

Are you talking about Denso Iridiums? I would check with Tim at T & J and ask him what he thinks about them.

We all know there is a plug problem with our heads, asking someone to make sure you're not "asking for it" couldn't possibly hurt.

Bo

el_kid_1 · Dec 16, 2003

DC-GT said:
Are you talking about Denso Iridiums? I would check with Tim at T & J and ask him what he thinks about them.

Yes, Denso Iridium.

00s281sc368 · Dec 16, 2003

The shop put some Autolite OHC, 1 range colder plugs on my car. They go for $2.49 ea, so $19.92 for 8.
Seems to work fine, can't complain!

LiquidStang · Dec 17, 2003

DC-GT said:
Are you talking about Denso Iridiums? I would check with Tim at T & J and ask him what he thinks about them.

We all know there is a plug problem with our heads, asking someone to make sure you're not "asking for it" couldn't possibly hurt.

Bo

Just tell us, what does he think about them?

MT1083 · Dec 17, 2003

Have you come across any other mistakes while installing the s/c? Brightblue has those installation notes and I was wondering if KB has updated their kit at all to fix any of those mistakes.

DC-GT · Dec 17, 2003

LiquidStang said:
Just tell us, what does he think about them?

Not my place!!

I will be going with a different plug though...

Bo

Screwed2V · Dec 17, 2003

I got rid of iridiums in favor of copper plugs. Didn't lose a thing on the dyno either.

LiquidStang · Dec 17, 2003

micool said:
I got rid of iridiums in favor of copper plugs. Didn't lose a thing on the dyno either.

Only thing I hate is having to change them very often with the copper plugs.

-Eric

Screwed2V · Dec 17, 2003

LiquidStang said:
Only thing I hate is having to change them very often with the copper plugs.

-Eric

True.

LiquidStang · Dec 17, 2003

DC-GT said:
Not my place!!

I will be going with a different plug though...

Bo

Oh, and you have a PM

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