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Hi peeps. Iv got a r33 Gtr. I want to replace the spark plugs. It's running 1bar and 437bhp. I'm just trying to find the best price and plugs! I think heat range 8 will be good. Iv got a misfire on cold start and once the boost starts to build. I feels like the spark is being blown out. The plugs are old though.
Thanks
Jeff
Thanks
Jeff