Air bypass valve ?

[Fostang]

It tends to want to lope but today replaced the air bypass and sensor attached rechecked the timing and it ran fine now. Much more stable rpm's. But still seems to need more air. Maybe it's time to replace the throttle body and mass air.

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67'fastback-Edelbrock carb,intake,cam,valve springs.Rhode lifters, CompCam rocker arms, windage tray,cerama coated headers,dual flows with H-pipe, modded c-4,tci stall converter,perma cool electric fan,aluminum water pump,griffen aluminum radiator,accel 8.8 cable,wide cap distriburator,magnetic pick up,v-matic hurst shifter,edelbrock performer nitrous, carter electric fuel pump,ignitor coil,solid motor mounts,magna racing suspension,poly urathane bushings,under rider traction bars, comp. eng. s