Hello members ! i know for sure this has been covered over and over but I cant find the answer i am looking for or over looked a thread , anyways I have a 96 integra, bone stock block and head, ebay snail ( yea I know LOL ) 550s for injectors , and running some e85, I recently starting getting spark blow out, im pretty sure im running oem plugs and one step colder if I am correct but could be wrong, I have them gapped to .20

if I could get some input on what I should run and what gap is suggested to eliminate spark blow out I would greatly appreciate it !

Thank you
Thomas

 

Install stock NGK spark plugs, [ZFR5F-11] should be pre-gapped to 1.1mm, but it is a good idea to recheck them.

Question, why are you running "550s" injectors on a "bone stock block and head" engine? 94

 

I would get what fcm said, but a step colder being the 6. Stay with NGK plugs.
Don't remember what I have mine gapped at, it's fairly small.

but if you're getting blowout with that little of power, your coilpack is probably going out.

:edit:
What kyden said, go with the 7's. Now that I think about it I feel like 5's are stock for civics/sohcs.
And then the 6 would be stock for a bseries, and the 7 would be your next step colder.

 

NGK 7. BKR-7E aka 4644. I would start at .028" and work your way down.

 

I'm more confused now after looking at NGK's website. It lists 4 different spark plugs for my 96 ls.

Which ones are the correct spark plugs for a 96 ls stock? What difference would it make if I went with the v-power or iridium ix?

 

I would stay away from Iridium had bad gas mileage on my 98 Civic, the NGK v-power works best for me. I think the iridium might also need different wires with higher resistance.

 

Is there a sticker on the underside of the hood? The correct spark plugs are given on that sticker.

If there is NO sticker, then report that fact.

 

Stock plugs are platinum. PF....something, IIRC.

V powers are copper electrodes. Good for about 30k miles.

Iridium plugs have a very fine tipped iridium electrode. There's LOTS of people who experience iridium plug failures with boosted cars. Even cars that come stock with iridium plugs have these issues. By plug failure, I mean that the electrode falls into the cylinder and you then shop for a shortblock/longblock.

 

So I will stay away from iridium then.

I see that the v-power are oem

Would I benefit by going with g-power or laser platinum?

 

There is not a thing wrong with iridium. It's just a bit cheaper than platinum, and thus allows the manufacturers to sell a plug that's less expensive than platinum but still lasts a long time. Iridium plugs are a pretty good deal.

OE is just a regular plug that doesn't use precious metals. V-Power is one of those regular plugs.

Precious-metals plugs last longer than regular plugs. Platinum is the most expensive precious-metal. ANY plug that's correct for your car will provide all the performance you need, provided the gap is set correctly.

You need the correct plugs for your application, in the correct heat-range. You can tell this by looking at the "ZFR5F..." gibberish. Once you have that, you can decide if you want to spend the extra money for platinum, iridium, or gimmicks like V-Power. That's why there are several plugs sold for your car.

 

i put some g-power in my GSR, runs great gapped to .050"

if you want to be paranoid about catastrophic plug failure, i'd go with a solid copper like the standard or v-power


g-power has a welded finewire platinum tip

furthermore, factory issue is ngk laser double platinum (for gsr at least)

 

Lol...Iridium plugs of the same quality are much more expensive than platinum. Iridium is extremely rare on earth.

Iridium is a good plug for longevity. K/J series engines use iridium plugs, for example. 100k mile intervals without breaking a sweat.

Copper is probably going to be your best bet for a boosted Honda. The V power is a good plug. Just dial in your heat range. Copper is also gappable.

You generally cannot re gap platinum or iridium plugs.

 

Factory B series plugs are laser platinum NGK/Denso.

V power is not OEM or a gimmick plug. Its $2/plug. Copper electrodes are tougher than platinum or iridium. Lots of people use V power plugs because they do work well. Thsir lifetime is about 30k miles.

Iridium plugs do have a history of breaking off in cylinders on boosted (and some NA) cars. Look it up.