OK so I have been working with my tuner Sam 613B6. AWESOME GUY! We have gotten the car up to 23/24 psi and every things been looking great. Here are my questions...
1. Boost tappers about 2 sometimes 3 psi between 5000 and 7200 rpm. Pressure tested up to about 20 psi and no leaks. Is this normal for Denver (mile high) and the 71?
2. Now that I have hit 25 psi it acts like my wastegate is shuttering for a couple seconds once hitting peak boost (25) and to goes away before redline. Believe its the boost controller/wastegate. Not sure. This is not a surge or coil pack shutter. Purely boost pressure fluttering
Any of the goo roos have any suggestions or thoughts?
Relevant MODS
2.0l stroker
2000 converted to 2001 ME7
JE Pistons 9:1
Scat Rods
ABA Crank
AEB Head (slightly ported and gasket matched)
Walbro FP
Injector Dynamics 1000cc
GT3071r
Tial 38mm with (large blue and small red springs)
Tial BOV Q with -10.00 psi spring
Custom 3" exhaust
2.0l coil packs
NGK-BKR6E-11 (.44 gap)
Hallman Pro Kit Boost Controller
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