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The mkiv Supra Owners Club

Link between Supra NA and Lexus engine?


Patters

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So I can say, go down to my local Halfords and pick up a set of spark plugs and an oil filter for the IS300 or GS300? I just wanted to know because the last set of platinium spark plugs from Toyota were crap! They only lasted a couple of thousand miles, now there mis-firing!:( And correct me if I'm wrong but the platinium plugs hold the heat alot which can cause knocking?

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That really should not be a problem on an NA, my NA is fine on stock plugs. But to answer your question, yes that would be fine, the engines themselves are identical. However since these plugs would probably have the same properties, why not get some NGKs and see if they sort out your problem.

 

BTW, what fuel are you running? Knock would be caused by crap fuel.

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Originally posted by Darren Blake

I run stock Toyota platinum plugs in my NA with no problems. I even use 95 RON fuel.

 

I run optimax in mine, so I thought that could of been the cause, always worth a try?

 

Patters, what is the Hiper like on the NA? Is it the specialist NA one or a modded TT Hiper? Are the cats out? :)

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Originally posted by Patters

Yeap, its the proper Hks Hiper. I ordered it from Graham Goode, I was quite impressed with there customer service, they had to order it from Japan, all in all it took 5 days! Sounds flippin loud though!

 

Wicked! Is there a noticeable power gain as well? Im thinking of getting one for my NA. :D

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My local Lexus dealer will do Toyotas at a push, but they won't touch imports.

 

On the other hand the Toyota dealership I use now was never a Supra-authorised franchise but they work on several and do a really, really good job!

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Originally posted by Syed Shah

Why not just go to a specialist?

 

Lexus/Toyota are hardly experts! Not to mention the fact that they usually work out very expensive.

 

Oh I do, went to Paul Whiffin for my last service. Just wondered if Lexus would agree to do them. Wonder if they even know it's the same engine.

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