projected vs non-projected plugs
The problems for the most part seem to be idle issues and of course not a very long life. I run it when going 200hp or less in my street/strip mode. Once I hit 200 and above then the 8 and 9 start coming into play. Others may have ideas and uses a little different than mine. Some guys run the TR6 at 200hp shots and seem to do fine. With that said, they likely do not know that the plug is probably turning into a glow plug.
I pulled the plugs first few times and didnt see any problems. After that just kept an eye on af ratio. Havent sprayed in the past 1k miles and thats when the plan was to change then but got sent on a deployment. I'll be pulling them when i get back as planned. I'll show you how nice they look
did you guys ever factor in that moving away from a projected tip plug will be same to dropping 1 full heat range in any given plug.
so this would mean moving from a TR6 (-6) heat range to a BR7 (-7) is actually a (-8).
so this would mean moving from a TR6 (-6) heat range to a BR7 (-7) is actually a (-8).
So does this mean if you run the 3177 non projected instead of 4177 would that be same as a heat range 7?
thats what im trying to clear up, if ngk actually considers this in their scale. im leaning toward no, so kierstyn you would be correct. i want to figure out if the projected and non-projected use their "own" scale.
according to what ive always known kierstyn the 3177 would be a step colder from the 4177
according to what ive always known kierstyn the 3177 would be a step colder from the 4177
Last edited by disc0monkey; Jan 8, 2010 at 10:10 PM.
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Verdad Gallardo good question.
a tr6 and a br7ef is not a direct comparison.
a tr6 and a br6ef would be a better show.
not sure how the heat range differs between the two.
as noted, the projected tip gets hot as ****, so the non projected couold be "considered" cooler seeing its out of harms way.
a tr6 and a br7ef is not a direct comparison.
a tr6 and a br6ef would be a better show.
not sure how the heat range differs between the two.
as noted, the projected tip gets hot as ****, so the non projected couold be "considered" cooler seeing its out of harms way.
i dont know people recommending anyone that is using the TR6, that hasnt yet experienced issues, to go straight to the br7ef.
i would think a h/c car with <100rw pill would be ideal with a br6ef
i would think a h/c car with <100rw pill would be ideal with a br6ef
Last edited by disc0monkey; Jan 8, 2010 at 10:09 PM.
Don't mean to hijack, but on the advice of this thread, I picked up some BR6EF's to run with my measly 100 shot, and want to know what gap is best.
Mostly track running, with some street driving interspersed.
Are these halfway decent to run on the street as a DD plug?
Mostly track running, with some street driving interspersed.
Are these halfway decent to run on the street as a DD plug?
I pulled the plugs first few times and didnt see any problems. After that just kept an eye on af ratio. Havent sprayed in the past 1k miles and thats when the plan was to change then but got sent on a deployment. I'll be pulling them when i get back as planned. I'll show you how nice they look
dont see why you couldnt DD a br6ef plug. the gap comes a lil tight on them at .028-.029. i talked to a tech at ngk and he said not to gap them more than .035 that it would pull the electrode off the center of the ground strap.
i usually do mine around .032
i dont have efi, idle can be more rough with the br series of plugs.
i usually do mine around .032
i dont have efi, idle can be more rough with the br series of plugs.
That's because you're only spraying a 100 shot and probably rich too. You should still put a 7 in there for a piece of mind and you might even pick up with a colder plug. If you ever decide to spray 150+, go a step or two colder, along with pulling some timing. Your car will really fly with the nano then!
Robert
dont see why you couldnt DD a br6ef plug. the gap comes a lil tight on them at .028-.029. i talked to a tech at ngk and he said not to gap them more than .035 that it would pull the electrode off the center of the ground strap.
i usually do mine around .032
i dont have efi, idle can be more rough with the br series of plugs.
i usually do mine around .032
i dont have efi, idle can be more rough with the br series of plugs.
Some guys that run dedicated nitrous drag cars actually cut the ground strap back right to the edge of the electrode. They due this to have even faster heat transfer. Now will this cause other issues? I don't know, as I have never done it personally, but certainly think about it from time to time. I will see if I can find the picture of this.
Robert
Spark Plug Fuel Ring Another area to check when trying to figure your tune is the location of the fuel ring. Just take a die-grinder and remove the threads by cutting carefully around the plug. You can also just use a hack saw as that works fine, it just takes a little longer.
Do you guys want to get into this part of the plugs? I have been working on an article for a few years and gathering data, and have a rough draft on the fuel ring. Well I have other areas covered too if moving to another area of reading the plug would be helpful after this area? its' mostly insight that allows anyone to tune via their own plugs...
Robert
Do you guys want to get into this part of the plugs? I have been working on an article for a few years and gathering data, and have a rough draft on the fuel ring. Well I have other areas covered too if moving to another area of reading the plug would be helpful after this area? its' mostly insight that allows anyone to tune via their own plugs...
Robert
i understand you robert.
while that plug looks great for a tune up to me, some others would disagree and say you could go a jet leaner.
there is tons of good(and bad) info over on yellow bullet in the nitrous section on plugs and plug readings.
while that plug looks great for a tune up to me, some others would disagree and say you could go a jet leaner.
there is tons of good(and bad) info over on yellow bullet in the nitrous section on plugs and plug readings.