Did you see the IAC feed was tapped in from the LOW PRESSURE side of the turbo Under WOT it would bleed boost back to the turbo as the IAC would open. Man.....so many things wrong with that turbo setup that it isn't even funny.

2000 SVT Turbo 295hp/269ftlb@12psi #1 for Bendix Brakes Kits! Knuckles rebuilt w/new bearings $55 AUSSIE ENDLINKS $70 Gutted pre-cats $80/set A lack of planning on your part does not constitute an emergency on mine!