Shifty6Speed Posted September 24, 2016 Share Posted September 24, 2016 Ok, so I've just ordered some NGK IX iridium plugs and they come in varying heat ranges 5 to 8. What does that mean? I've gone for heat range 6 is that going to be ok for my 06 pre uprev? Sent from my SM-G935F using Tapatalk Quote Link to comment Share on other sites More sharing options...
ZEUS Posted September 24, 2016 Share Posted September 24, 2016 Why did you not just order the plugs recommended for your engine ? Loads of information on here about the correct spark plugs to buy or just ask a trader on here that will give you the answer? Quote Link to comment Share on other sites More sharing options...
catman Posted September 24, 2016 Share Posted September 24, 2016 It's a REALLY bad idea to guess the heat range for your engine. Don't fit them until you've checked that they're the right ones! Tim 1 Quote Link to comment Share on other sites More sharing options...
Tricky-Ricky Posted September 24, 2016 Share Posted September 24, 2016 (edited) You will need heat range 5 for the VQ engine, the numbers are the heat range of the plug, and should be kept at std range unless the engine is SC or TC. Edited September 24, 2016 by Tricky-Ricky Quote Link to comment Share on other sites More sharing options...
evilscorp Posted September 24, 2016 Share Posted September 24, 2016 TC ? Quote Link to comment Share on other sites More sharing options...
Tricky-Ricky Posted September 24, 2016 Share Posted September 24, 2016 TC = turbocharged, but should have read SC/TC. 1 Quote Link to comment Share on other sites More sharing options...
Shifty6Speed Posted September 25, 2016 Author Share Posted September 25, 2016 Ok guys. Thanks for the answers. I'll edit my basket. Sent from my SM-G935F using Tapatalk Quote Link to comment Share on other sites More sharing options...
Lewis_UK Posted September 25, 2016 Share Posted September 25, 2016 (edited) This is what I'm using: NGK 6240 Laser Platinum: PLFR5A-11 No Turbo or Supercharger. Edited September 25, 2016 by Lewis_UK Quote Link to comment Share on other sites More sharing options...
Shifty6Speed Posted September 25, 2016 Author Share Posted September 25, 2016 Yep. I'm N/A and only engine mod which will soon be fitted is the titanium zorst system. I'm trying to pin down a decent plenum spacer kit ready for the uprev map. Sent from my SM-G935F using Tapatalk Quote Link to comment Share on other sites More sharing options...
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