PDA

View Full Version : what kind of spark plugs do you use?


retardz
04-23-2005, 10:06 PM
ok im at the starnet meet and ameen said to make this thread.
ok.

arkive
04-23-2005, 10:23 PM
check these out their brisks..........

http://www.lightspeedperformance.cc/Brisk%20Plug%20Testing.htm


i might get some...but my buddy and me were talking about this
do plugs really help u go faster ??? why include them in ur mod list with the type of oil u use?......discuss.....

KoukiKA240sx
04-23-2005, 11:09 PM
NGK BKR7E-11 - stock
NGK BKR6E-11 - One stage colder - my current plug gapped to .032 but i should prolly go to .3
NGK BKR5E-11 - 2 stages colder
~Sam

andrave
04-24-2005, 12:40 AM
denso copper... 1.79 a plug. I also have one Ford Motorsport plug in cause it was all advance auto had in stock in my size in WV...

datsunguy1984
04-24-2005, 08:14 PM
i think that i am going to change to the brisk i have factory ngk plugs in now but those look really good

jeremyS14
04-24-2005, 08:18 PM
greddy

rico05
04-24-2005, 09:26 PM
NGK for now. Denso after I get my standalone and GT28RS (fall-ish)

PirateDrift
04-25-2005, 12:00 AM
Everyone i know uses NGK.

ameenIT
04-25-2005, 09:15 AM
Originally posted by KoukiKA240sx
NGK BKR7E-11 - stock
NGK BKR6E-11 - One stage colder - my current plug gapped to .032 but i should prolly go to .3
NGK BKR5E-11 - 2 stages colder
~Sam

badass post.. you deserve a handy*...

* thats retardz department...

rico05
04-25-2005, 06:50 PM
Too bad those are no good for anyone but the SR guys ;)

CA guys:
Stock: NGK PFR6A-11
Lightly modded: PFR6/BCPR6's for standard (gap of 1.1mm)
More modded: PFR7/BCPR7's for lightly modded (gap of 0.8-10mm - see what works for you)

Very modded: BCR8's for high boost applications. (gap 0.6-0.8 dependant on boost level)

;)

KoukiKA240sx
04-25-2005, 11:09 PM
actually ima KA-T guy, so i guess its no good to anyone but KA and SR guys. And those numbers are right outta my 1991 shop manuel and the part numbers have not changed.
~Sam

Project240
04-27-2005, 01:11 PM
What spark plugs should i run in my 300 rwhp ka-T? And what would happen if i use those sparkplugs while i'm n/a?

Hubie
04-27-2005, 03:04 PM
Originally posted by KoukiKA240sx
NGK BKR7E-11 - stock
NGK BKR6E-11 - One stage colder - my current plug gapped to .032 but i should prolly go to .3
NGK BKR5E-11 - 2 stages colder
~Sam

Aren't those reversed?
Where:
BKR5E-11 are hotter and
BKR7E-11 are colder

With the 7 heat range plug the ceramic jacket is more exposed therefore it dissapates heat faster in turn creating a colder plug.

If I'm wrong then I'm running the wrong plugs in my KA-T.

BTW I'm running the 7 heat range ones.

Hubie
04-27-2005, 03:06 PM
Originally posted by Project240
What spark plugs should i run in my 300 rwhp ka-T? And what would happen if i use those sparkplugs while i'm n/a?

Running colder plugs will yield a drop in gas mileage and/or fouling.

ADiamond240sx
04-27-2005, 04:42 PM
so why would you run a hotter or colder plug?

Hubie
04-28-2005, 12:17 PM
Originally posted by ADiamond240sx
so why would you run a hotter or colder plug?

Running high compression or most likely in our cases forced induction creates much higher combustion chamber temps. This means that the engine is much more prone to pre-ignition/detonation. If you run a stock plug heat range, the spark plug will "hold" too much heat, which creates the prime condition for the unburned air/fuel mixture to ignite when the piston is in the compression cycle. Thus you have pre-ignition. Bad things happen when you have two cylinders trying to fire at the same time.

On the other hand, if you run too cold of a plug, it will never get into self cleaning temp, so the plugs get fouled. Fouled plugs mean missing, bad gas mileage, low power.