Spark Plug Recommendation ?
In my quest to isolate the exhaust squeal that's driving me nuts ! I've decided to check all of the sparks plugs on the Dangermobile for looseness - as others have suggested. I was thinking while I was in there, I might as well change them even though the D-mobile only 22k original miles on the OD. With that said, is there a particular brand/model that performs best that I should consider ?
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quite early for sparkplug replacement unless you have fouling issue.
I changed mine out at 50K miles w/ iridium denso. I use iridium for all of my vehicles, denso or NGK, the only two brands that I trust. |
JD
Porsche recommend replacing plugs every 4 years regardless of mileage (so it says in my service book). Plugs for a 2000S should be either: Beru 14FGR 6 KQU or 14FGR 7 KQU Bosch FGR 6 KQC or FGR 7 KQC. Tightening torque = 30+3 Nm (22+2 ft-lb). I've used both brands and found no difference in performance, though Beru is more expensive here in Oz. A lot of discussions on if you should or should not use anti-sieze paste on the threads - I do but that because I'm a bit old fashioned and I once had a siezed plug on my SAAB which caused a lot of grief at the time. I would be surprised that your original plugs have suddenly loosened, but you never know! Hope this helps..... |
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Iridium are good on bikes revving to 15,000rpm and in Turbo engines - expensive and dont seem tohave the lifespan of standard copper core plugs.
As I said previously, I'm a bit old fashioned and if Porsche say use the Beru / Bosch plug type xxxx then that's what I use. Last thing I need is the wrong heat range or electrode length plugs in the engine. Send JFPinPA or Jake Raby a pm (they must see heaps of plug data) - at least you will be getting good professional advice for nothing.... Getting back to your annoying squealing, could it be an exhaust internal baffle (weld) failure which can't be seen and difficult to accuratly locate without removing it? |
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Updating this old thread.
Getting ready to order a set of new spark plugs, and was wondering if there's been any recent brand or model number changes or updates since the date of this posting? What's your current favorite plug? Thanks - DM |
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Regards |
+1 Beru all the way..
When you've lost engines due to Bosch plugs coming apart? You'll stop using them. |
I put in NGK Iridiums last spring replacing the Beru that were in the car and the performance improved nicely.
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I'm still fairly simple when it comes to maintaining cars, so I'll call the them my current favorite: Versatile, not silly expensive, cars run smooth and engines don't blow up. :cheers: |
Replaced mine with Beru last year; running great!
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https://s18.postimg.org/5b2wg7ysp/fgr6kqe.jpg I've had 2 sets in my Boxster S with no issues. Set that was in the car when I bought it, set I put in 2 years ago when I replaced some cracked ignition coils. I found some more ignition coils cracked this summer and replaced all 6 with some APOL "Performance" ignition coils along with new plugs since I had access to them. |
I've also heard bad things about bosch lately. This was from one of the top porsche mechanic's in the country besides Brad Robert
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Anybody use Bosch Platinum+4 4417? Is this an OEM part? TIA.
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Having said that, I'm about to try a set of china made Bosch injectors in one of the cars. So, I'm interested to see how they are. Regards |
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