Why use Iridium?

[Gohsj89]

I am now thinking of wheather to use Iridium Spark Plug for my servicing a not.

 

But some people tell me it's a waste of money.

 

Who do you guys say about this?

 

Toyota Vios anyway..

[SGWJOE]

no use for engine with compression ratio less than 10

[Gohsj89]

Is vios's compression 10.5? i found from sgcarmart vios's spec.

 

if so, what different will i feel?

[ER-3682]

I used it on my Mazda 323,oh yes,more powerful,better fuel comsumption.

[Mini-itx]

no use for engine with compression ratio less than 10

 

Thats totally incorrect though. My engine's compression is only 8.8 and I am using NGK iridium.

 

 

[Luckcent]

To me difference is it last longer between changes.

[Joseph22]

To me difference is it last longer between changes.

 

for me, the engine is smoother throughout all rev as compare to when i was using a S$5.00 spark plug.

[Yuan]

I am now thinking of wheather to use Iridium Spark Plug for my servicing a not.

 

But some people tell me it's a waste of money.

 

Who do you guys say about this?

 

Toyota Vios anyway..

 

Apart from copper, iridium is one of the better conductors of heat.

 

Iridium plugs are made for long lasting.

 

Don't have to change during every servicing.

[Introz]

Apart from copper, iridium is one of the better conductors of heat.

 

Iridium plugs are made for long lasting.

 

Don't have to change during every servicing.

 

true

the main reason iridium is harder to rust or corrode than copper

so thats made it for long lasting.

 

and also it makes your car more shiok to drive

cause the better connection = more spark = better heat = more drive

 

[Gohsj89]

haha i gonna try the denso for my vios next wed servicing.

i should buy ik16 or ik20?"

[Picanto]

for me, the engine is smoother throughout all rev as compare to when i was using a S$5.00 spark plug.

 

 

psychological effect at work

[Hamburger]

psychological effect at work

agree, muz ve super duper butt to feel tat slight diff. Its more for prolong svc.

 

Btw, use IK16 for Vios, IK20 is too cold

[Genie47]

I'm going to smash all the perceptions here.

 

Iridium is not a good conductor of heat. It is heat resistant to the point of not melting so it will hold the heat as long as it can w/o melting. So it is not a good conductor of heat.

 

FYI to all here. Iridium is a very hard metal, so it resists corrosion. In the end, what really happens is that you have longer change intervals.

 

The bad thing about Iridium is that it is a poor conductor of electricity.

 

Performance? That depends on the tip. If it is a fine wire tip Iridium plug, you got a pretty good spark plug.

 

OK as you all know I use a fuel that is damn hard to ignite.

 

I find using a fine wire iridium plug rather good. Rather smooth with CNG. However, with normal plugs, I still get this same smoothness provided they are less than 10k km. I face degradation in performance once it goes over 6k km. However, if you are using petrol, chances are you don't face it because petrol is very easy to ignite.

 

What actually gives you great performance are wires. Not performance wires but brand new wire sets. So if your car is reaching 90-100k, change the wires. You get better performance than just changing plugs.

[Fcw75]

Just use normal copper plugs and change every 20K. Cheap and good. $2.50 for one.

[Kelpie]

I am now thinking of wheather to use Iridium Spark Plug for my servicing a not.

 

But some people tell me it's a waste of money.

 

Who do you guys say about this?

 

Toyota Vios anyway..

 

Whether we like it or not, iridium spark plug is becoming a default in newer stock cars. The change interval has also been lengthen to 100K from the usually 40K or so.

 

Regards,

[Trex101]

Another benefit with using performance plugs like NGK IX series or Denso power are the lower voltage required to jump the spark plugs gap, this itself will improve the ignition characteristic & performance gain of most car, especially those with higher mileage(>40k km) or dual fuel engine where their ignition system has deteriorate due to age/mileage.

 

 

[Yuan]

Another benefit with using performance plugs like NGK IX series or Denso power are the lower voltage required to jump the spark plugs gap, this itself will improve the ignition characteristic & performance gain of most car, especially those with higher mileage(>40k km) or dual fuel engine where their ignition system has deteriorate due to age/mileage.

 

Thanks for your sharing.

 

It is good information.

[Yuan]

I'm going to smash all the perceptions here.

 

Iridium is not a good conductor of heat. It is heat resistant to the point of not melting so it will hold the heat as long as it can w/o melting. So it is not a good conductor of heat.

 

FYI to all here. Iridium is a very hard metal, so it resists corrosion. In the end, what really happens is that you have longer change intervals.

 

The bad thing about Iridium is that it is a poor conductor of electricity.

 

Performance? That depends on the tip. If it is a fine wire tip Iridium plug, you got a pretty good spark plug.

 

OK as you all know I use a fuel that is damn hard to ignite.

 

I find using a fine wire iridium plug rather good. Rather smooth with CNG. However, with normal plugs, I still get this same smoothness provided they are less than 10k km. I face degradation in performance once it goes over 6k km. However, if you are using petrol, chances are you don't face it because petrol is very easy to ignite.

 

What actually gives you great performance are wires. Not performance wires but brand new wire sets. So if your car is reaching 90-100k, change the wires. You get better performance than just changing plugs.

 

Thanks for your sharing of knowledge.

 

I learnt and re-learnt something today.