K22SUP Posted May 13, 2015 Share Posted May 13, 2015 Hi guys my car spikes boost prob into 1.3 bar when it comes on around 4000 rpm then drops back a bit it had one new turbo few years ago before I got it which should be steel according to previous owner and other he thinks ceramic what safe boost can these run car is hard piped fse fuel regulator one cat out front mount intercooler exhaust cat back and set of 264 cams and pulleys walbro fuel pump any ideas of safe boost to hold and spike thanks edd Quote Link to comment Share on other sites More sharing options...
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