NGK vs NGK vs NGK
#1
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All these images were taken off the partsamerica.com site with their corresponding prices.
Question 1: What'* the difference between ITR4A-15 and TR55IX (The two Iridiums) ? :?
Question 2: Why is one Iridium more expensive than the other Iridium ? :?
Question 3: Why is the Double Platnium the same price as the most expensive Iridium ? :?
PTR4B-15 Double Platinum $13.99
ITR4A-15 Iridium $13.99
![](https://i115.photobucket.com/albums/n284/MACDRIVE/NGKITR4A-15.jpg)
TR55IX Iridium $6.99
Question 1: What'* the difference between ITR4A-15 and TR55IX (The two Iridiums) ? :?
Question 2: Why is one Iridium more expensive than the other Iridium ? :?
Question 3: Why is the Double Platnium the same price as the most expensive Iridium ? :?
PTR4B-15 Double Platinum $13.99
![](https://i115.photobucket.com/albums/n284/MACDRIVE/NGKPTR4B-15.jpg)
ITR4A-15 Iridium $13.99
![](https://i115.photobucket.com/albums/n284/MACDRIVE/NGKITR4A-15.jpg)
TR55IX Iridium $6.99
![](https://i115.photobucket.com/albums/n284/MACDRIVE/NGKTR55IX.jpg)
#3
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the itr4a-15 has:
extremely long life plug, iridium center electrode with PLATINUM tipped ground electrode.
the tr55-ix :
does not have the PLATINUM ground electrode.
the tr55-ix will last for 100,000 miles or more, i have over 80,000 on mine with no decline in gas mileage.
ROD
extremely long life plug, iridium center electrode with PLATINUM tipped ground electrode.
the tr55-ix :
does not have the PLATINUM ground electrode.
the tr55-ix will last for 100,000 miles or more, i have over 80,000 on mine with no decline in gas mileage.
ROD
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Originally Posted by willwren
Mac, SC or NA? Signature?
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Originally Posted by rrounds
the tr55-ix will last for 100,000 miles or more, i have over 80,000 on mine with no decline in gas mileage.
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Are all three the same heat range?
By the way, the factory plugs are still in there and they are the AC Delco 41-921 if that matters any.
By the way, the factory plugs are still in there and they are the AC Delco 41-921 if that matters any.
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Originally Posted by willwren
Mac, my question was "where'* your signature so we know what you drive".
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Did I mention that my lower radiator hose says "BONN/LESABRE" on it?
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#9
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Originally Posted by MACDRIVE
Originally Posted by willwren
Mac, my question was "where'* your signature so we know what you drive".
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Did I mention that my lower radiator hose says "BONN/LESABRE" on it?
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The lack of a signature in your porfile makes it difficult to address your posts. Particularly this one. Please put your car in your signature.
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Originally Posted by willwren
The lack of a signature in your porfile makes it difficult to address your posts. Particularly this one. Please put your car in your signature.
![](http://deephousepage.com/smilies/jail.gif)
The problem with that forum is that it doesn't get the traffic that the other forums get.
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Every once in awhile I'll sneak in a thread over at the (2000-2005) forum, but when I do, I feel like a fox in a hen house.
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How 'bout a (2000-2005 sister car) forum?
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