spark plugs

[Shimian]

Hey,

What can go wrong when changing to aftermarket spark plugs? I dont mean as in installing it incorrectly.

cheers

[aaronng]

Your plugs are aftermarket. Honda doesn't make spark plugs. They use either NGK or Denso iridium.

[Limbo]

If you use the wrong plugs you usually have;
- startup problems
- may get premature ignition/detonation
- car may not start
- fuel economy goes crazy
- car drives/ idles funny

Effects? can case engine damage or just be a pain in the A$$

[teh_mechanic]

as said,even honda uses aftermarket plugs.

just make sure you get the right model number of plug,examples (these are not for your car,unless im phsycic) - bkr5es,bpr6ey
getting the wrong one will give you different heat range (the number in the model number) or different thread or length....all bad things

[Shimian]

yes sorry, i meant to say stock spark plugs not aftermarket.
cheers guys

[Shimian]

Just wondering if anyone has experienced BRISK Premium LGS? Looking to install some on my FD2

[Limbo]

Stick with the known brands.
NGK, Denso, Bosch.

They have performance ranges also

[FastFwd]

I know for a Fact that you shouldnt Use Octain booster (any kind) on NGK Iridium plugs for honda. It will just make the plugs fail and u will need new ones.

[dsp26]

I know for a Fact that you shouldnt Use Octain booster (any kind) on NGK Iridium plugs for honda. It will just make the plugs fail and u will need new ones.

serious question... please elaborate? curious how it fouls the plugs

I use nulon octane booster once every 3-6months with my BKR6EIX-11s gapped beyond the 11 (1.1mm)


and will this 'fouling' be the same if i used those octane booster tablets? those things are good enough even to bump maybe 2oct on the std 92oct considering 95/98oct shortage.... and ~$25 for octane booster enough for one tank ain't worth the ~7oct gain....

[EuroDude]

Same, Ive used octane booster in the civic and euro, no problems at all.

Just get the stock sparkplugs from honda designed for your car. If you want ones that last longer or perform better, make sure you buy the correct size and heat range, and ensure the spark gap is measured properly using a gap gauge to the specs honda recommend.

[FastFwd]

Well i actually dont know the scientifics behind it but after i rebuilt my motor with all the forgies etc, i could only run 98 octain so was about 3 months later i was at the petrol station and there was no 98 left, next petrol station the same, then the same and the same again. by that time i had no fuel to go the the fifth station so i filled up on 95 and filled up with octain booster (later to realise WA was out of 98, this was when BP only carried it). anyways driving home was ok, the next morning the car wouldnt idle properly and i couldnt rev it to over 3-4 or else it would just die... Took me a couple days to figure out, but one of my mates that past away used to work for honda North in perth so i asked him and he told me that honda's run a little hotter than other cars and something to do with the chemical reaction with the Heat, Octain booster and the Iridium plugs. Dont know exactly what but it just ruins them

Worse thing about the whole experience was that iridium set of 4 plugs costs around 60-70 bucks. I had only put new ones in 3 days before this happened. So i had to go out and spend another 60+ dollars again.

Been told by a few people also that octain booster isnt the cleanest thing for your engine and shouldnt be used. I havent used it since anyways.

[SeverAMV]

if you switch to plugs that are too cold, your engine may not start properly and you may actually lose power because the fuel will ignite too late.

but roughly, for every 50-100hp extra your car has over stock, you should go down one temp range (colder plug), or go down if your motor is pinging.