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NGK spark plug update
Pursuant to the recent thread on Platium (sic) spark plugs, I decided to
visit a local auto parts emporium today. I knew I had seen NGK platinums there for much less than $20 each at one point, so I thought I'd investigate that more deeply. Well, it seems that NGK has at least two price points for "platinum" plugs. My usual installation for my car involves the ones designated BCPR6EP-11, for $20 each. The ones I saw at the auto store today were BCPR6EGP ("G- Power"), for $4.20 each. The differences? BCPR6EP-11: - pregapped to 1.1mm - platinum coating on BOTH live and ground electrodes BCPR6EGP: - NOT pregapped - ground electrode looks cruder, omits platinum coating - ground electrode has beveled edges The plug body, insulator, and live electrode, all look identical between the two. I buy the BCPR6EP-11s at a local UAP outlet. They always have to order them in. My EPA sticker specifies BCPR5E-11s for normal use, heat range 6 for hot use. The upshot of all this? Yes, you can find "platinum" plugs for $5 each, but they are NOT the same as the $20 ones, regardless of whether you buy them from the dealer or a jobber. Rip-off or not, you get what you pay for. -- TeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
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Is NGK$20 spark plug for the turbo charging ? Why do you have to spend $20 for each spark plug ? I don't see the point unless $20 one s must explode more energy to cylinder. |
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#4
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TeGGeR® wrote:
> Pursuant to the recent thread on Platium (sic) spark plugs, I decided to > visit a local auto parts emporium today. I knew I had seen NGK platinums > there for much less than $20 each at one point, so I thought I'd > investigate that more deeply. > > Well, it seems that NGK has at least two price points for "platinum" plugs. > My usual installation for my car involves the ones designated BCPR6EP-11, > for $20 each. The ones I saw at the auto store today were BCPR6EGP ("G- > Power"), for $4.20 each. > > The differences? > BCPR6EP-11: > - pregapped to 1.1mm > - platinum coating on BOTH live and ground electrodes > > BCPR6EGP: > - NOT pregapped > - ground electrode looks cruder, omits platinum coating > - ground electrode has beveled edges > > The plug body, insulator, and live electrode, all look identical between > the two. > > I buy the BCPR6EP-11s at a local UAP outlet. They always have to order them > in. My EPA sticker specifies BCPR5E-11s for normal use, heat range 6 for > hot use. > > The upshot of all this? Yes, you can find "platinum" plugs for $5 each, but > they are NOT the same as the $20 ones, regardless of whether you buy them > from the dealer or a jobber. Rip-off or not, you get what you pay for. > my money is with iridium's. they're the closest thing i've found to the gold/rhodium plugs that used to come in some turbo applications in the 80's. back then, i'd swapped out a set for a friend one time and took the old ones home. being curious, i tried them in my old clunker and found they'd start that thing much quicker in the crappiest weather & made the car pull much better at low revs than before. good top end too. on my civic, with the iridiums, i find it fires a little quicker from cold and runs well across the board. add to that the fact that they're rated for 100,000 miles & i think i have a low maintenance winner! ymmv. |
#5
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In article >, jim beam
> wrote: > TeGGeR® wrote: > > Pursuant to the recent thread on Platium (sic) spark plugs, I decided to > > visit a local auto parts emporium today. I knew I had seen NGK platinums > > there for much less than $20 each at one point, so I thought I'd > > investigate that more deeply. > > > > Well, it seems that NGK has at least two price points for "platinum" plugs. > > My usual installation for my car involves the ones designated BCPR6EP-11, > > for $20 each. The ones I saw at the auto store today were BCPR6EGP ("G- > > Power"), for $4.20 each. > > > > The differences? > > BCPR6EP-11: > > - pregapped to 1.1mm > > - platinum coating on BOTH live and ground electrodes > > > > BCPR6EGP: > > - NOT pregapped > > - ground electrode looks cruder, omits platinum coating > > - ground electrode has beveled edges > > > > The plug body, insulator, and live electrode, all look identical between > > the two. > > > > I buy the BCPR6EP-11s at a local UAP outlet. They always have to order them > > in. My EPA sticker specifies BCPR5E-11s for normal use, heat range 6 for > > hot use. > > > > The upshot of all this? Yes, you can find "platinum" plugs for $5 each, but > > they are NOT the same as the $20 ones, regardless of whether you buy them > > from the dealer or a jobber. Rip-off or not, you get what you pay for. > > > my money is with iridium's. they're the closest thing i've found to the > gold/rhodium plugs that used to come in some turbo applications in the > 80's. back then, i'd swapped out a set for a friend one time and took > the old ones home. being curious, i tried them in my old clunker and > found they'd start that thing much quicker in the crappiest weather & > made the car pull much better at low revs than before. good top end > too. on my civic, with the iridiums, i find it fires a little quicker > from cold and runs well across the board. add to that the fact that > they're rated for 100,000 miles & i think i have a low maintenance > winner! ymmv. jim, You raised a question that I did not think of: You mentioned that iridium plugs are rated for 100,000. How miles are the platinum plugs rated for? Jason -- NEWSGROUP SUBSCRIBERS MOTTO We respect those subscribers that ask for advice or provide advice. We do NOT respect the subscribers that enjoy criticizing people. |
#6
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Jason wrote: > In article >, jim beam > > wrote: > > >>TeGGeR® wrote: >> >>>Pursuant to the recent thread on Platium (sic) spark plugs, I decided to >>>visit a local auto parts emporium today. I knew I had seen NGK platinums >>>there for much less than $20 each at one point, so I thought I'd >>>investigate that more deeply. >>> >>>Well, it seems that NGK has at least two price points for "platinum" plugs. >>>My usual installation for my car involves the ones designated BCPR6EP-11, >>>for $20 each. The ones I saw at the auto store today were BCPR6EGP ("G- >>>Power"), for $4.20 each. >>> >>>The differences? >>>BCPR6EP-11: >>>- pregapped to 1.1mm >>>- platinum coating on BOTH live and ground electrodes >>> >>>BCPR6EGP: >>>- NOT pregapped >>>- ground electrode looks cruder, omits platinum coating >>>- ground electrode has beveled edges >>> >>>The plug body, insulator, and live electrode, all look identical between >>>the two. >>> >>>I buy the BCPR6EP-11s at a local UAP outlet. They always have to order them >>>in. My EPA sticker specifies BCPR5E-11s for normal use, heat range 6 for >>>hot use. >>> >>>The upshot of all this? Yes, you can find "platinum" plugs for $5 each, but >>>they are NOT the same as the $20 ones, regardless of whether you buy them >>>from the dealer or a jobber. Rip-off or not, you get what you pay for. >>> >> >>my money is with iridium's. they're the closest thing i've found to the >>gold/rhodium plugs that used to come in some turbo applications in the >>80's. back then, i'd swapped out a set for a friend one time and took >>the old ones home. being curious, i tried them in my old clunker and >>found they'd start that thing much quicker in the crappiest weather & >>made the car pull much better at low revs than before. good top end >>too. on my civic, with the iridiums, i find it fires a little quicker >>from cold and runs well across the board. add to that the fact that >>they're rated for 100,000 miles & i think i have a low maintenance >>winner! ymmv. > > > jim, > You raised a question that I did not think of: You mentioned that iridium > plugs are rated for 100,000. How miles are the platinum plugs rated for? > Jason Depends on the manufacturer, but I think Honda specs 60K miles. What does your owner's manual say? Personally I wouldn't want to keep a plug in there that long without examining it for erosion. |
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y_p_w > wrote in
ink.net: > > > Jason wrote: > >> You raised a question that I did not think of: You mentioned that >> iridium plugs are rated for 100,000. How miles are the platinum plugs >> rated for? Jason > > Depends on the manufacturer, but I think Honda specs 60K miles. What > does your owner's manual say? Personally I wouldn't want to keep > a plug in there that long without examining it for erosion. > I had a set of the aforementioned BCPR6EP-11s in for two years until last year, which for me is 30,000 miles. The elctrode gap had eroded to 1.27mm from 1.1mm. These plugs are in a cabinet in my basement. I keep them all for reference. I spend most of my time on the highway at or near 4,000 rpm, and have had to go to the cooler plug to prevent overheating of the insulator. -- TeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
#8
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TeGGeR=AE wrote:
> y_p_w > wrote in > ink.net: > > > > > > > Jason wrote: > > > > >> You raised a question that I did not think of: You mentioned that > >> iridium plugs are rated for 100,000. How miles are the platinum plugs > >> rated for? Jason > > > > Depends on the manufacturer, but I think Honda specs 60K miles. What > > does your owner's manual say? Personally I wouldn't want to keep > > a plug in there that long without examining it for erosion. > > > > > I had a set of the aforementioned BCPR6EP-11s in for two years until > last year, which for me is 30,000 miles. The elctrode gap had eroded > to 1.27mm from 1.1mm. These plugs are in a cabinet in my basement. I > keep them all for reference. I used to check them for erosion maybe every 15K miles or more if I felt like it. Piece of cake with an inline 4, a locking extension, and a torque wrench. I figured that removing and reinstalling them would reduce the chance of the threads seizing. Actually - last time I had plugs installed was at 90K miles with the timing belt change of my '95 Integra GS-R. I didn't ask for the service, got an apology, and I didn't have to pay for them. The plugs were Denso, but were regapped from 1.1 mm to 1.3 by the mechanic. I'd previously done the same thing (regap the 1.1 mm versions) at about 70K miles. For whatever reason, no parts store was able to get the 1.3mm version. I even called up Denso and they said they'd be able to send me the 1.3 mm version as a swap. Never happened, although I did get a Denso Spark Plugs cap. (???) > I spend most of my time on the highway at or near 4,000 rpm, and > have had to go to the cooler plug to prevent overheating of the > insulator. Do you swap plugs in the winter? My Integra was stolen, recovered, and declared a total loss by my insurance company. My current car is a Subaru, and the plugs on a horizontally opposed engine are a PITA to get out. There are no wires though. It's a distributorless ignition with a coil pack connected to each plug. I'm not even going to touch it until the recommended plug change interval. |
#9
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"y_p_w" > wrote in
oups.com: > > Do you swap plugs in the winter? No. Same plugs year-round. Since my driving is about 95% highway, always above 60 mph, and always for at least a half hour at a time, any deposits seem to be cooked off regularly regardless of ambient temperatures. When I used the normally-specified BCPR5EP-11s, the insulator gets white and bubbly. Ignition timing and fuel mixture are correct. -- TeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
#10
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On 24 May 2005 11:04:46 GMT, "TeGGeR®" > wrote:
>I spend most of my time on the highway at or near 4,000 rpm, and have had >to go to the cooler plug to prevent overheating of the insulator. I bought a set of NGK Iridium IX spark plugs from eBay for $25, part number ZFR5FIX-11 (2477). The sticker on my civic's engine called for a 6 heat range but the NGK web site recommended a 5 for the IX plugs. The engine is smoother at low rpms and much quieter at high rpm highway cruise. No mileage change just quieter operation (better spark?) -- Leon |
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