ManwithSupra Posted June 28, 2008 Share Posted June 28, 2008 (edited) Thinking of changing to the UK spec cams on my jspec Will i need to remap the ECU or would it be a case of just pulling the fuse and letting the current one relearn? Edited June 28, 2008 by ManwithSupra (see edit history) Quote Link to comment Share on other sites More sharing options...
Nic Posted June 28, 2008 Share Posted June 28, 2008 Only the Intake cam is different on the UK spec, the Exhaust cam is the same on the J-spec and UK spec. Not sure if you'll actually feel any noticeable difference just swapping the intake cam, but yes you could run without an ECU remap. To get the best out of a cam swap, I would go for a set of aftermarket cams and an aftermarket ECU and remap. J-spec Intake Duration - 224° Intake Camshaft lift - 7.88mm Exhaust Duration 233° Exhaust Camshaft lift - 8.4mm UK Spec Intake Duration - 233° Intake Camshaft lift - 8.25mm Exhaust Duration - 233° Exhaust Camshaft lift - 8.4mm Quote Link to comment Share on other sites More sharing options...
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