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View Poll Results: Which spark plug is best
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Bosche
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10 |
52.63% |
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Beru
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5 |
26.32% |
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NGK
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3 |
15.79% |
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other (post a reply with recommendation)
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1 |
5.26% |
06-09-2014, 08:08 PM
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#1
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On the slippery slope
Join Date: Mar 2014
Location: Austin and Palm Springs
Posts: 3,794
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Which Spark Plugs to use
I'm getting ready to do my 60K service and will be changing the plugs.
In researching, it looks like there are a bunch of options.
What plugs are recommended? I have a 04 S used as DD. I do some spirited driving, but currently no AX or track. I might do an occasional AZ in the future, but it will be for fun, I'm not that concerned about being super-competitive in any case.
Is there any real difference between the Bosch, Beru and NGK plugs. I know there are also autolite and others available that cost less.
Even within each brand there are lots of choices. Standard, Platinum and Iridium. I see them ranging in cost from around $3 to $18 each
On one site, they had 22 choices !
I hope this does not turn into which oil is best
__________________
2004 Boxster S 6 speed - DRL relay hack, Polaris AutoTop DIY
2004 996 Targa Tip
Instructor - San Diego region
2014 Porsche Performance Driving School
2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
Last edited by JayG; 06-09-2014 at 08:15 PM.
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06-10-2014, 01:58 AM
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#2
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Rennzenn
Join Date: Feb 2005
Location: Virginia
Posts: 1,369
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I've used Bosch, Beru, and Denso iridium. The Denso were a bad choice. 25k in and I got a CEL- misfire. The tip had been burned off. I replaced that plug and it fixed the misfire, but I must suspect that the other plugs are in bad shape. I'll replace all of them soon w/ Bosch. Between Bosch and Beru, I've found no difference. At 60k I'll swap them, even though they look fine and I've never had any plug-related problems. At the local Advance auto, they will compete on price and sell the Bosch at $6.99 per plug.
__________________
Rennzenn
Jfro@rennzenn.com
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06-10-2014, 05:32 AM
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#3
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Registered User
Join Date: Dec 2012
Location: FL
Posts: 4,143
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Right now I am using the "Beru 14 FGR-6 KQU Spark Plug" from Pelican, seems to be working OK. I don't remember what was in there from the previous time.
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06-10-2014, 07:52 AM
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#4
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Registered User
Join Date: Aug 2009
Posts: 1,466
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I have used both the Bosch and NGK good luck with both the NGK was less expensive
__________________
2003 Black 986. modified for Advanced level HPDE and open track days.
* 3.6L LN block, 06 heads, Carrillo H rods, IDP with 987 intake, Oil mods, LN IMS. * Spec II Clutch, 3.2L S Spec P-P FW. * D2 shocks, GT3 arms & and links, Spacers front and rear * Weight reduced, No carpet, AC deleted, Remote PS pump, PS pump deleted. Recaro Pole position seats, Brey crouse ext. 5 point harness, NHP sport exhaust
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06-10-2014, 04:05 PM
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#5
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Registered User
Join Date: May 2013
Location: Loveland, CO
Posts: 101
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Probably because of the branding, I went with Bosch. Have used them in other cars in the past and never disappointed. Stock came out were Beru, again, recognition of the brand lead me to Bosch, and they were on sale on Amazon when i needed them... Back in the dirt bike racing days, all I used were NGK, so go tell, seems they all make good plugs...
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06-11-2014, 08:47 AM
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#6
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Registered User
Join Date: Nov 2013
Location: PA
Posts: 299
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Pulled out the original Beru plugs from my 04S and replaced them with the same. Working very well.
__________________
2004 Boxster S
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06-11-2014, 09:56 AM
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#7
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Registered User
Join Date: Oct 2013
Location: San Jose, CA
Posts: 583
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Quote:
Originally Posted by JayG
Even within each brand there are lots of choices. Standard, Platinum and Iridium. I see them ranging in cost from around $3 to $18 each
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Any input on this question from the OP? What type of Bosch did you all use?
__________________
2000 S - Borla Exhaust, TS Cat Deletes, RSS UDP, B&M Short Shift, T96 Steering Wheel, Potenza RE-71R's,
Mantis 2.0L Deep Sump, de-snorkeled, Bilstein PSS9 Coil-Overs, Rennline lug studs, and auto crossed regularly.
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06-11-2014, 09:58 AM
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#8
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On the slippery slope
Join Date: Mar 2014
Location: Austin and Palm Springs
Posts: 3,794
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Quote:
Originally Posted by Dlirium
Any input on this question from the OP? What type of Bosch did you all use?
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took the words right out of my mouth
I was hoping to get some plug specifics. I'm sure others want to know as well
Brand is one thing, but which specific plug?
I do understand that Iridium last longer, but is there a trade off?
__________________
2004 Boxster S 6 speed - DRL relay hack, Polaris AutoTop DIY
2004 996 Targa Tip
Instructor - San Diego region
2014 Porsche Performance Driving School
2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
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06-11-2014, 02:47 PM
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#9
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Registered User
Join Date: May 2013
Location: Loveland, CO
Posts: 101
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06-11-2014, 04:49 PM
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#10
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Rennzenn
Join Date: Feb 2005
Location: Virginia
Posts: 1,369
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Quote:
Originally Posted by psquared39
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+1 on these. Go with the 4-prongers
And my experience with iridium is that they do NOT last longer.
__________________
Rennzenn
Jfro@rennzenn.com
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06-12-2014, 02:27 PM
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#11
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Registered User
Join Date: Nov 2013
Location: PA
Posts: 299
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Quote:
Originally Posted by eicheldp
Pulled out the original Beru plugs from my 04S and replaced them with the same. Working very well.
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Beru type 14fgr6kqu
__________________
2004 Boxster S
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