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T96-Iroc-z · 11-11-2008, 02:20 PM

Hey just wondering if someone could help me out, I don't feel like i'm getting full power out of my turbo, not sure exactly how compressor surge sounds but on the highway or whenever i get on it...it sounds like a fluttering noise at full boost, now i do have an open waste gate to a dump tube...the wastegate size is a 38mm...maybe it is too small?? Or i need a tighter spring?? All my hoses are tight does not appear to have any boost leaks... New to the turbo thing...so i'm trying to figure this stuff out...

377 single turbo
Tial 38mm wastegate 5.6 lbs spring i think
Greddy Type RS BOV
Turbo specs...SPA 7000M - T4... A.R 96...compressor trim 46, turbine trim 76 i'm pretty sure

11-11-2008, 02:20 PM	#1
T96-Iroc-z Join Date: Oct 2008 Posts: 12 iTrader: (0)	Turbo Help?? Hey just wondering if someone could help me out, I don't feel like i'm getting full power out of my turbo, not sure exactly how compressor surge sounds but on the highway or whenever i get on it...it sounds like a fluttering noise at full boost, now i do have an open waste gate to a dump tube...the wastegate size is a 38mm...maybe it is too small?? Or i need a tighter spring?? All my hoses are tight does not appear to have any boost leaks... New to the turbo thing...so i'm trying to figure this stuff out... 377 single turbo Tial 38mm wastegate 5.6 lbs spring i think Greddy Type RS BOV Turbo specs...SPA 7000M - T4... A.R 96...compressor trim 46, turbine trim 76 i'm pretty sure Last edited by T96-Iroc-z; 11-11-2008 at 02:23 PM.