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    Compounds, tuning and drive pressure

    I run a 362/68/12 over a 475/87/1.10, both billet turbos. On my 120 hp tune I can keep a 1:1 drive/boost ratio pretty well. I had my tuner write me a max effort tune for my setup, 50 HP injectors, stock CP3, 150 GPH lift pump. First hard run my ratio jumps to 3:1. Can this simply be...
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    DFW dyno?

    Looking for a dyno in/near/around DFW. I called a few shops and nobody knows anything. Any help is appreciated.
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    What RPM does your primary make boost?

    My 475 isn’t registering any boost on its gauge until about 2250 rpm. Between there and 3k I can get 14 psi out of it making about 44-45 overall. EGT’s are not hot (950-1150) and drive pressure is 1:1 pretty steady. Should I just shut up and drive or is something off? Is this typical when...
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    Setting a spring wastegate

    Maybe a dumb question - I am going to use my current single as my secondary on my compound setup. If I install my spring gate now and get it set to an initial desired opening PSI, will it operate the same once on the compound setup? I don't have two boost gauges and want to eliminate as much...
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    TOWING 362/68/12 over 475/87/1.1

    2003 305/555 with BBI 0.5's, mild built 48RE with billet single. I want to add a turbo to my SXE362/68/12 to drag our 20k GVWR toy hauler around, also daily drive. What I'm looking at now is a S475/87/1.1 to pair it with. Not looking to race or make huge power and probably wont grow more than...
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