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throttle body for h22a setup How big should I go on a throttle body? Setup: Injen 2.5 CAI Skunk2 Intake Manifold Helix 2" TB spacer Valve Train upgrade (spring retainer etc..) JUN Stage 1 cams/skunk2 cam gears TRY Y 4-2-1 headers 255 Walbro fuel pump 440cc RC injector/aem fuel/aem regulator

I've just installed an H22a stage 1 JUN camshaft and adjustable cam sprocket using a P13 JUN ECU. My car stays running but my idle is at about 400 to 500 RPM. I usually have it set at 900 RPM. At what degree would I have to set the cam sprocket? It is now set at 4 degree. Could I still run it...