supraguye Posted January 9, 2008 Share Posted January 9, 2008 Hi Guys, I own a 98 vvti J-spec. I've read on here that with just a full decat, you should get 1.2 bar of boost. Right now, I would consider myself at full BPU, however I only get .7 to .8 Bar. The parts I currently have installed are: -Full De-cat with Blitz Nur Spec with no Restrictor Ring -Walbro Pump -IK24 TRD Iridium -HKS Filter -Blitz FMIC In second gear, I get up to .7 Bar and in 3rd and 4th I get between .8 and .9 Bar. I find generally the car doesn't feel strong at Low RPMs and the changeover point of the turbos is VERY apparent Can anyone help? What can I check? Thanks Quote Link to comment Share on other sites More sharing options...
hoff Posted January 9, 2008 Share Posted January 9, 2008 Having an NA i could be wrong but would you not need a boost controler? Quote Link to comment Share on other sites More sharing options...
foodfreak Posted January 9, 2008 Share Posted January 9, 2008 I think something is amiss When mine was of that spec. ......it hit 1.4-1.6 bar easily without a restrictor ring. same goes with most vvti's that I know of Quote Link to comment Share on other sites More sharing options...
ManwithSupra Posted January 9, 2008 Share Posted January 9, 2008 Sounds like you have some sort of boost leak have you had your FMIC pressure tested? Have you checked your boost hoses for cracks at all? Quote Link to comment Share on other sites More sharing options...
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