Help me choose my plugs.
02-10-2004, 10:05 PM
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Help me choose my plugs.
Is there a basic rule of thumb to go by when selecting spark plugs for a turbo application? I am running 10:1 compression and will be running up to 28psi. If someone could help me decide it would be greatly appreciated.
-Ryan
-Ryan
02-10-2004, 10:21 PM
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Re: Help me choose my plugs. (racinskittle)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by racinskittle »</TD></TR><TR><TD CLASS="quote">1 step colder for every 75-100 hp</TD></TR></TABLE>
Really? That seems easy. Is there a theory behind this or just a guestimation?
-Ryan
Really? That seems easy. Is there a theory behind this or just a guestimation?
-Ryan
02-11-2004, 07:22 PM
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Re: Help me choose my plugs. (racinskittle)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by racinskittle »</TD></TR><TR><TD CLASS="quote">1 step colder for every 75-100 hp</TD></TR></TABLE>
That was what an NGK tech representative said to a memeber on this board. i forgot what the name of the post was.
This is from my notepad
...Now, this brings me to my next point that he started to talk about. That is the step at which you go in spark plug "coldness". Here, I am speaking for the D Series guys because that is what I know. Our plugs are the ZFR5J-11 (For the D16Z6 from 92-95 at least). He told me go 1 step colder for every 75-100 horse extra you make. So, for most of us that is the ZFR6J-11 plug UNLESS, you are in a warmer climate (AZ, FL, CA, etc, etc) or you are making gobs of power from a built motor or whatever.
That was what an NGK tech representative said to a memeber on this board. i forgot what the name of the post was.
This is from my notepad
...Now, this brings me to my next point that he started to talk about. That is the step at which you go in spark plug "coldness". Here, I am speaking for the D Series guys because that is what I know. Our plugs are the ZFR5J-11 (For the D16Z6 from 92-95 at least). He told me go 1 step colder for every 75-100 horse extra you make. So, for most of us that is the ZFR6J-11 plug UNLESS, you are in a warmer climate (AZ, FL, CA, etc, etc) or you are making gobs of power from a built motor or whatever.
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