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Enthusiast ![]() Joined Jul 13, '11 From Lincs, UK Currently Offline Reputation: 0 (0%) ![]() |
Hello. I have done a search but cannot find an answer (sorry if I missed it guys!) As titled - is there a general opinion on what spark plugs are best for the GT4 ST205? I have mild mods such as a slightly better turbo, FMIC, boost controller, exhaust and Walbro 255 (which I understand might be w waste of time without other mods to compliment!). I know what plugs are listed as standard fitment - but should I go for a higher heat rated plugs with the mods I have? If so which heat rating? Is there a plug that has been slightly more approved as the best one for these cars in general?
The reason for asking this is that I have not changed them since my ownership (I have not done that many miles) - I get the car regularly serviced at Toyota and they recommend that the next service I replace the plugs. But they want £80 to replace the plugs so I dont think so! Considering for example I can get a set of NGK ones from ebay etc for about £30. Or am I just worrying about this too much and should I buy whatever the NGK/etc part finders on their websites tell me to get as the standard fitment? |
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Enthusiast ![]() Joined Jul 13, '11 From Lincs, UK Currently Offline Reputation: 0 (0%) ![]() |
I had a feeling that Iridiums were a bit of a gimmick - when I see quotes such as "Reduction of 0.7 seconds in time to accelerate from 20-60mph" - yeah right haha! But they are so cheap from ebay - £35 for a set - is i not just worth getting them anyway? Or is there a disadvantage to it?
I see the NGK Iridium IX come in heat range 6,7,8,9 - I take it the higher the range, the colder the plug...so should I plump for the one in the middle (7/8) such as this one: http://cgi.ebay.co.uk/4-x-NGK-IRIDIUM-SPAR...8-/290572024916 I have enough boost that I can (too) easily hit the cut (so 1.2 if I am right, but not in all gears?) - so I "limit" myself - but thats an issue for another time! Car gets serviced every 6000 miles, but the spark plugs dont get changed every time! I think Totota tld me every three services should be more than sufficient to change the plugs Thanks for taking the time to reply ![]() |
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