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My SS3 VVT cam with 36-3800 stall surges occasionally after a warm start until first throttle application. GPI tuner (Ben) couldn't work that out but not really a big deal. Mine is set to idle at about 850 rpms once warm. Never experienced it stalling out. Mine bucks a little when decelerating from 40 to 20 mph or so, but that's normal. RPMs always steady once warm. It sounds like your problems can probably be tuned out mostly.
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2010 2SS/RS A6. GPI SS3 VVT Cam, 228/246 / AFM Delete / Circle D 4C 36-3800 Stall / Stainless Works LTHs, High Flow Cats, X-pipe, Borla Pro XS Mufflers and Quad Tips / Vararam CAI / Soler 95mm PTB / AAM 3.91 gear / GPI Ported Heads / GPI Ported Rod Mod Intake Manifold/ Smith Bros. Trunnions / GPI 5/16" hardened push rods, 7.425"/ Chevrolet Racing Lifters / Melling 10355 Oil Pump / Powermaster XS Torque Starter / Derale Xmsn Cooler / 1LE Suspension Upgrade System / BMR Strut Tower Brace, Trailing Arms and Toe Rods / Powerbond 25% UDP / Mishimoto catch can / iDatalink Maestro.
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