Need some help guys.
I installed my 20g w/ the upgraded WGA. I am getting real bad compressor surge as soon as I get on it. Above 4500 RPM the compressor surge dies down and the turbo does what it is supposed to but unless I am at 4000 RPM before I punch it I get compressor surge.
It's like the turbo hits a wall. It spools regular but it hits about 20 lbs and won't go past that. It starts surging and then smooths out. No spike! strange.
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Hahn 20g (was 16g) w/ DW 650s  , W/M, Custom 3" O2 Housing and some other goodies.
No returnline!
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