Yep. I was also looking into something to control and prevent knock. I've been reading about the J&S Safeguard but I'm still not sure how it would react to our weird ECU and VVEL. According to Sam, its not a plug n' play solution like in other cars but he is working on a kit that will make it so.. Then again, according to other tuners and the creator of the J&S... it should work. It's about $550 and it's constantly monitoring for knock, once it detects some it pulls timing just on the cylinder that knocked...As an alternative I'm considering meth injection, not to gain power but too keep everything cool and knock free, at least for summer.
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2011 Twin Turbo PW nismo #113 - My Journal - My TT Build Thread
[ GTM GTX Stg2 TT || HKS EVC6 || Custom CarPC || F.I 3'' TDX CBE || SB 6puck clutch/ZSpeed CSC || BC BR Coilovers || SPC camber arms || Work VSS-X || Custom Headlights || PW:JDM CF Covers || Seibon CF Engine Cover ]
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