cpark Posted April 12, 2016 Share Posted April 12, 2016 Hi everyone About to replace spark plugs on R34 GTR. Car is pretty much stock so was just looking to replace with the stock plugs (I.e. NGK PFR6A-11) but also came across Bosch (8153-6). Anyone here ever run the Bosch 8153-6 plugs as they are about half the cost of the NGK's? Thanks Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/ Share on other sites More sharing options...
niZmO_Man Posted April 12, 2016 Share Posted April 12, 2016 BCPR6ES, change every second or third service. Not sure if the R34 RB26 would take a different spark plug compared to the older RB26s, seems dumb it would. Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7711071 Share on other sites More sharing options...
tridentt150v Posted April 12, 2016 Share Posted April 12, 2016 If they are listed as a direct replacement then they will be fine. Should be a reference chart on the web somewhere that will tell you. Yep, try this one: http://www.angelfire.com/extreme4/skidoolympique/SPARK_PLUG_CROSS_REFERENCE.htm Says Bosch equivalent is FR8DCX See line 1257 Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7711389 Share on other sites More sharing options...
Dose Pipe Sutututu Posted April 13, 2016 Share Posted April 13, 2016 BCPR6ES call it a day at $3.95 each Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7711587 Share on other sites More sharing options...
tridentt150v Posted April 13, 2016 Share Posted April 13, 2016 ^^^ yep exactly, why ever change?? Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7711631 Share on other sites More sharing options...
No Crust Racing Posted April 13, 2016 Share Posted April 13, 2016 That's all that's in mine Chris, I plan to just swap them out every service or 2 given how cheap and easy to get they are. No misfire issues with spitfires and those plugs at 330or so rwkw. For a street car they'll be fine. Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7711651 Share on other sites More sharing options...
cpark Posted April 13, 2016 Author Share Posted April 13, 2016 If they are listed as a direct replacement then they will be fine. Should be a reference chart on the web somewhere that will tell you. Yep, try this one: http://www.angelfire.com/extreme4/skidoolympique/SPARK_PLUG_CROSS_REFERENCE.htm Says Bosch equivalent is FR8DCX See line 1257 Strange it comes up with FR8DCX. This was the Bosch catalogue page at Supercheap Auto. The package for 8153-6 also shows FR6KPP33X+ Not interested in going copper plugs but thanks. Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7711653 Share on other sites More sharing options...
Dose Pipe Sutututu Posted April 13, 2016 Share Posted April 13, 2016 Your prerogative, but I personally wouldn't get those plugs... Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7711657 Share on other sites More sharing options...
No Crust Racing Posted April 13, 2016 Share Posted April 13, 2016 I don't have any experience with the Bosch plugs, I do have NGK Iridium in the track car though and they've been fine. Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7711659 Share on other sites More sharing options...
jiffo Posted April 13, 2016 Share Posted April 13, 2016 For me it's coppers every time. I bought mine from here, about $3.00 a shot. Add some filters to the order to reach $50 and it's free delivery. https://www.sparesbox.com.au/spark-plugs-ignition But whatever plug you choose, check the protrusion from the head. Give the spring in the coil pack a bit of a tug to make sure it contacts the conductor. ISO dimension plugs are a bit shorter than "normal". Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7711779 Share on other sites More sharing options...
tridentt150v Posted April 13, 2016 Share Posted April 13, 2016 I had iridiums, threw them in the bin, I don't think they liked the WMI much. Always had coppers since then..........had no issues. Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7712079 Share on other sites More sharing options...
cpark Posted April 13, 2016 Author Share Posted April 13, 2016 Hmmm sounds like the coppers are the way to go. Maybe I'll be a convert. Just out of interest, should I just stick with the stock plug gap of 1.1 and heat range of 6? Car is fairly stock with cat back, boost restrictor removed (running 1 bar) and arc induction box. Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7712087 Share on other sites More sharing options...
Dose Pipe Sutututu Posted April 13, 2016 Share Posted April 13, 2016 just get no -11 means they're pre-gapped to 0.8mm Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7712101 Share on other sites More sharing options...
jiffo Posted April 13, 2016 Share Posted April 13, 2016 That's right and another reason to buy coppers as with any of the exotics, (platinum, iridium) it's not recommended to alter the pre-set gap. Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7712138 Share on other sites More sharing options...
admS15 Posted April 13, 2016 Share Posted April 13, 2016 Thread hijack. For a 33 gtst with 250rwkw that does a bit of track work would you guys go 6's or 7's? Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7712150 Share on other sites More sharing options...
No Crust Racing Posted April 13, 2016 Share Posted April 13, 2016 7s. Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7712154 Share on other sites More sharing options...
tridentt150v Posted April 14, 2016 Share Posted April 14, 2016 I have 7's Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7712165 Share on other sites More sharing options...
admS15 Posted April 14, 2016 Share Posted April 14, 2016 I was using 7's but fouled a set after only a few k. Probably due to letting the car idle too long with the ac on during the summer. I've recently been running 6's and changing to 7's when tracking. I'll go back to 7's and see what happens. CBF changing plugs all the time. Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7712184 Share on other sites More sharing options...
admS15 Posted April 14, 2016 Share Posted April 14, 2016 6's wouldn't be a good idea for track work, would they? Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7712187 Share on other sites More sharing options...
Dose Pipe Sutututu Posted April 14, 2016 Share Posted April 14, 2016 7s are good for 98RON with that power level/boost 6s for E85 with that power level/boost Link to comment https://www.sau.com.au/forums/topic/464181-spark-plugs-r34-gtr/#findComment-7712188 Share on other sites More sharing options...
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