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Thread: Spark Plugs?
02-17-2010, 07:46 AM #31
Spark Plug Type
1983-1986: ND P16R or NGK BPR 5E-P11TOYOTA
ENGINE TYPE- L6
ENGINE DESIGNATION- 5MGE
STANDARD PLUG NO- W16EXR-U
STANDARD PLUG STOCKNUMBER- 3031
PLATINUM PLUG NO- P16R
PLATINUM PLUG STOCKNUMBER- 3004
IRIDIUM LONG-LIFE PLUG NO -
IRIDIUM LONG-LIFE PLUG STOCKNUMBER -
IRIDIUM POWER PLUG NO- IW16
IRIDIUM POWER PLUG STOCKNUMBER- 5305
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02-17-2010, 08:49 AM #32
Bosch is a bad brand? damn i knew i sould of wait till they got somein else in stock or wint else were oh well i guess i run them and change them out win i change my oil in 7m
02-17-2010, 03:13 PM #33
i've been using NGK LASER PLATINUM, got some DENSO PLATINUMS to go in next time(got a good price).
Just use what toyota recommend, i think they know best!
some sites i found, first one is very interesting, check them out . a couple will tell you what you need in a few different brands. http://www.aa1car.com/library/sparkplugs_for_dis.htm
Last edited by gteduck; 02-18-2010 at 01:12 PM. Reason: typo to many http's
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02-17-2010, 03:19 PM #34
a few more plug sites,
hope they answered some questions.
Last edited by gteduck; 02-17-2010 at 03:33 PM. Reason: fogot to take http// out wen i pasted ,,doh!!
02-18-2010, 12:20 PM #35
iridium ftw" and the heavens opened and the trees lifted forth and came a voice on high proclaiming, my children go not forward seeking clear tail lights and a cool air intake. Follow the way of the lord and find in your heart forged pistons and share with me postive pressure and dirty thirds" Luke 11:11
02-18-2010, 12:47 PM #36
- Join Date
- Jan 2010
Well.. ive got about 250 spark plugs left out of about 400 I got recently. Free of course. I had NGK LASER IRIDIUMS in my car that were old, but not badly worn, I replaced them with BOSCHE 4 point Platinum plugs. They worked better than the plugs that were in it, but of course those plugs were used. I threw the plugs in because I had them laying around and out of the 400 plugs were some of the only ones that would fit 6mge.
I personally dont worry much about it on an N/A engine unless its an aircooled VW and I definitely recommend Copper.... and if this was a built turbo motor, id go copper, but hey, what do I know.
02-18-2010, 08:16 PM #37
Have a set of plus4s in since 2001. daily driver in summer, great gas milage(24-28) has never left me strandedLead,Follow,or Get the hell out of Way
02-19-2010, 02:48 PM #38Current fun car: Black 86 with 7M-GTE/W58/3.58/TrueTrack, 300whp, 13.5@102.
Wifeys Car: Burgundy 84 Auto and stock. Previous Daily: Two Tone Brown 84 Cressida: Sold and helped it get a 7M/W58 Swap
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02-21-2010, 02:52 PM #39
I went to copper NGK and felt the performance difference. I never went back.
But when they go, they really go and they're cheap to change.
I really think Toyota went platinum for longevity reasons.83-Red P-type , 6M,. LJM strut-bar, RC intake,Thorley header,Tenzo 17" wheels, cross-drilled rotors, Eibach springs, KYB shocks, 85 hatch and int., 82 header panel=Frankenkar
87 4 Runner, White, 22RE, 302K on original motor, still strong
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02-22-2010, 12:35 AM #40
Copper is a better conductor than platinum, but platinum is harder than copper and has a higher melting point.
So that's the trade off. You either get better conductivity but for a shorter amount of time normally, or you get less conductivity for a longer amount of time.
For the price of spark plugs, knowing these facts here and knowing about electricity, ALTHOUGH I'm all for using OEM products as much as possible, I do think my Supra will end up with good ol' Copper plugs when I do it's first tune up under my ownership.
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