Jump to content
The mkiv Supra Owners Club

FAQ: Spark plugs


Recommended Posts

  • 5 months later...

Hi,

I used your excellent guide when ordering some new plugs for my NA. My brother gets a discount at the local auto factor so he went to get the parts for me - I gave him a couple to choose from in case they didn't have a specific one in stock and he came back with a different one altogether. The man in the autofactors' said he had checked and they were the correct ones. They are NGK Laser Platinum BKR6 EKPB-11. I have checked in the NGK website and they only list officially imported cars so I used the Lexus 300 that uses the JZGE engine and it came up with the same BKR5EP for cars upto 97 and the BKR6 (above) for 97 -00. My car is a Dec 97 registered (in Japan). So. After all that is the plug OK to use or do I need to swap them for one of the ones listed in the thread?? Your help much appreciated.

Link to comment
Share on other sites

  • 3 months later...
It did about 5 mins ago :)

 

Scroll down the home page about halfway and on the left hand side you'll see the part search box, just type in BKR5EIX and it pops open a new page with that plug and price details.

 

Edit: Referring to the original post, I think these will work fine. :) Thanks

Link to comment
Share on other sites

  • 1 month later...
  • 2 weeks later...
  • 1 year later...
Unless the gap or grade was totally wrong on the NGKs i don't see how it makes a difference.

 

Agreed - maybe one was faulty or the coil was making a bad connection with the *shape* of the NGK connector (as they differ slightly).

Link to comment
Share on other sites

  • 1 year later...

Just to confirm, for a TT BPU these plugs are correct? NGK BKR7EIX

 

Read through this thread and its a good read, but just wanted to confirm as quoted above.... in case a new range of spark plugs had entered the market since when the thread was created... many moons ago.

I'm currently on Denso IK24 and looking to change on my BPU TT6 uk-spec..... I read that NGK are more reliable (although never had an issue with the IK24s in the past), but want to now change to NGKs to give them a go.

 

From what I read in this thread the IK24s are equivalent to NGK BKR8E ? But that the BKR8E are no longer made?

So if I were to want NGKs fitted I'd have to go with the BKR7E plugs which are slightly 'hotter'.

 

I don't wish for my engine to run any hotter than it should do, so maybe I should stick to the IK24s after all?

Link to comment
Share on other sites

Yes the 24 is the same as an 8 on the NGK scale.

 

I see what you're saying about the discontinuing the standard plugs...looks like they are pushing the 8/9/10 heat ranges into their Racing catalogue such as R5672A-8 (this appears to be the replacement for the BKRE8E's (but I've not bought and tested that).

 

So, IK = Iridium so if you want Iridium NGK then BKR8EIX's are still listed places like here - http://www.camskill.co.uk/m18b0s1232p58833/NGK_SPARK_PLUGS_NGK_IRIDIUM_SPARK_PLUGS_-_BKR8EIX_-_2668_

 

As for the Hotter/Colder Plugs. It's not about the "heat" in the engine it's more about the pressure and spark ability whilst under peak load. A colder plug will not work so well (ironically) on a cold start. But will handle extreme boost for longer that a warmer one. It's a sliding scale of trade off. If you use 7's/22's and never experience hesitation on full boost then you don't need 8's. But if you did then it would be worth the upgrade...

Link to comment
Share on other sites

  • 1 month later...

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue. You might also be interested in our Guidelines, Privacy Policy and Terms of Use.