Hi All. I've read the other posts about this but while there was mention that the waste gate flapper (87 300 sdl sans TRAP OXIDIZER ) should be free moving with the turbo removed, how about the control rod with the turbo installed ? Should you at leaset be able to budge the rod a little by when gently prying with a screwdriver? Mine won't budge at all and manifold pressure as measured from ALDA nipple on the IM (phantom banjo bolt) is a whopping 6 psi @ 4000 rpm.

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1987 300SDL 216k
2003 F350 7.3L + Banks - 315k