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"GSR Sparkplugs" work in my LS?

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Old Feb 10, 2005 | 07:12 PM
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Default "GSR Sparkplugs" work in my LS?

I went to Kragen and the lady told me that they only had "GSR" spark plugs, so i got them. They work fine, but I want to know if I shouldnt be using them.
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Old Feb 10, 2005 | 07:58 PM
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Default Re: "GSR Sparkplugs" work in my LS? (CompanyFlow)

They are fine. Just gap them to your specs.

If you're talking about the spark plug wires, they won't fit right. They will work, but they leave about an inch space between the valve cover and the top of the grommet seal (basically water can just go right in there).
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Old Feb 11, 2005 | 10:43 AM
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Default Re: "GSR Sparkplugs" work in my LS? (shamoo)

I mean the actual plugs themselves, because if they really had to have a separate entry for Gsr and Ls, then they must be different somehow (cant really see how though)
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Old Feb 11, 2005 | 10:46 AM
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Default Re: "GSR Sparkplugs" work in my LS? (CompanyFlow)

B-series non-VTEC plugs are just a little longer and extend into the combustion chamber just a tad farther than DOHC VTEC plugs. I'm not sure what effect it could be of having a shorter plug in there, possibly not as complete combustion as it would be with the correct plugs?
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Old Feb 11, 2005 | 10:54 AM
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Default Re: "GSR Sparkplugs" work in my LS? (PatrickGSR94)

I put in some toyota celica gts plugs in my gsr. Mine were bad so I bought some new ones for my gf ...found out her stock was denso iridium so i put those in mine and gave her the new ngk's...I measure there gap and its perfect to gsr...length wise also....runs fine to me....
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Old Feb 11, 2005 | 10:57 AM
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Default Re: "GSR Sparkplugs" work in my LS? (CNSK)

You might want to check the part numbers... they might use the same type of plug, but the heat ranges might be different.
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Old Feb 11, 2005 | 11:36 AM
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Default Re: "GSR Sparkplugs" work in my LS? (PatrickGSR94)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by PatrickGSR94 &raquo;</TD></TR><TR><TD CLASS="quote">You might want to check the part numbers... they might use the same type of plug, but the heat ranges might be different.</TD></TR></TABLE>

That's why the electrode ends up closer to the piston with LS plugs. They are "warmer". If you compare the same plug with different heat ranges you'll find that overall the colder plug is shorter.

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Old Feb 11, 2005 | 12:00 PM
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Default Re: "GSR Sparkplugs" work in my LS? (arw321)



GSR on the left.

The GSR tip is longer, but the insulator is shorter.

I ran the GSR plug in my LS engine for quite some time.
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Old Feb 11, 2005 | 12:15 PM
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Default Re: "GSR Sparkplugs" work in my LS? (CompanyFlow)

They might work fine now but might damage your engine in the long run. Just be careful replace them with the specifications with your motor.
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Old Feb 11, 2005 | 12:43 PM
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Default Re: "GSR Sparkplugs" work in my LS? (Jasper_db1)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Jasper_db1 &raquo;</TD></TR><TR><TD CLASS="quote">

GSR on the left.

The GSR tip is longer, but the insulator is shorter.

I ran the GSR plug in my LS engine for quite some time. </TD></TR></TABLE>

Are you sure the left plug is for a GS-R? Where did that part number come from? Is ZFR5F-11 a platinum plug, or copper, or something else? I've always run BKR6E-11's (copper) in my GS-R.
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