Spark Plugs and other Performance Parts

[greddy_monstor]

Hey, just changed the spark plugs on my r33 gtst with some NGK BCPR7ES ($4.20 from repco) as suggest in another thread, and when I did this the old plugs I found in there were some HKS ones. Checked this out on the net and they are Iridium ones and cost about $20 us.

With the new $4.20 plugs in the car drove better. Just wondering if these would perform better if I got some new HKS ones? Also where would I get these from I cant find anywhere on the net to order them (only us sites)???

Also wondering where I can order from an australia website performance parts like this and others? Have ordered stuff from www.modyourcar.com.au and they were good.

Cheers

[2rismo]

Take my advice, stay with what you're using.

Make sure they're gapped to 0.8mm and be happy

Adrian

[Guilty]

hey where is that modyourcar website baseD?

i cant seem to find where they are located

like country wise

[JAS-25T]

the fact that it has au at the end of it, you could safely assume its Aust. based

[greddy_monstor]

yeah its aust. I ordered some stuff put the money in their account and got the stuff in 2 days. I also was looking for where they were located so I could estimate how long it would take but couldnt find anything.

Anyone know of any other places you can get performance parts?

[greddy_monstor]

Yeah they are gapped to .8. How many k's till i should change these?

[2rismo]

10,000

Adrian

[Steve]

greddy monstor, www.d1garage.com can get just about any parts.

[rbs13]

i change my plugs usually every 5000 with oil and oil filter.. do you think this is too much?

[Chef_32]

look at the condition of the plugs when you take them out, if they look fine, they could probable last a bit longer. At the NGK website they have a bunch of pics of plugs and the reasson they look like that, a very good reference.

[rev210]

I found the BCPR7ES would last 20,000kms or so. Just check the plugs condition every now and then.

The HKS plugs won't increase the power at all on your engine so don't waste the money on those or irridiums.

[knore]

hey 2rismo how do u know if there gapped to .8 ?

[rev210]

you measure the supposed 0.8mm gap with a feeler guage.

[croat]

Why 0.8mm? My mate did his to 1.1mm saying thats what ngk specified for the rb25??

[rev210]

croat,

1.1mm should be fine if your boost is the factory 7psi. If you go and up the boost you might find the spark character better at a gap of 0.8mm. Do NGK know if your going to boost your car over the factory level? --- No. Do they care? --- No.

[autObarn]

there ara few cheap ($3.99) options if you dont want to pay for greddy plugs or hks ones, i used champion racing plugs c61 equiv to 8 in ngk for the melb drift event, but also avail c59, c59 being slightly colder equiv to about 8.5 in a ngk good for cars running some decent boost. another option is bkr7evx gapped to around 7mm these are used in many of the drag skylines as they give good life.

honestly though while i piss fart around changing plugs for different runs and so on. the greddy plugs in the D1*garage s14.5 which are an 8, last the longest ive seen (30k+) and lost no power even with continued drift abuse constantly on the limiter at 1.2bar+ the things have been checked but still havent been changed.

[ModYourCar]

Hey guys... just read this thread and noticed a few "questions" I can help answer.

ModYourCar is a complete online service, there is no shopfront. There are many reasons for this.

When yuo buy something it is usually shipped to you directly from one of our suppliers located all over Australia.

Most items ship relatively quick but some special order items like Japanese parts can be out of stock requireing a special order. We are very flexible though and we do allow you to cancel orders if you don't want to wait a lengthy period for parts.

If you guys have any further questions please just ask!

[sky^rkt]

i also just recently changed my spark plugs to ngk items, and when i took out my old ones they were also hks items, but were gapped to 1.2mm, i gapped mine to .8 and its going better than eva b4

[Zahos]

if your car is stock of close to stock ( < 200rwkw ) I would not be using a heat range of 7

They will foul way too quick, and your car will be running like crap at the 5000rpm mark if you have higher boost and no aftermarket management of some sort.

At these power levels, stick with a heat range of 6, as they will stay cleaner longer (In my experience anyhow)

[knore]

you measure the supposed 0.8mm gap with a feeler guage.

So where do i get one of these feeler guages?

Also, say you buy some plugs that are at 0.8mm, will they DEFINATELY be on 0.8mm

IE is there anyway during transit or general handling that the gapping will change?