Classic accel pump issue and easy fix without taking the carb off the engine. Either stuck, out of adjustment, or just dried out and hard. Just uses a little umbrella shaped seal with a spring inside.
15 minute fix.
You can easily check just but looking down into the carb when moving the throttle. It should squirt raw gas like a little water-pistol.
Quadrajets were good carbs with proper tuning.
One other issue that is sometimes found on 1970 small-blocks when it comes to poor throttle response is the lack of manifold heat. Sometimes the factory put little tin block-off plates in the runners that go under the carb for emissions purposes. This made poor throttle response until completely warmed up - but once hot - the engine would work fine.
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Today's Featured Article - A Belt Pulley? Really Doing Something? - by Chris Pratt. Belt Pulleys! Most of us conjure up a picture of a massive thresher with a wide belt lazily arching to a tractor 35 feet away throwing a cloud of dust, straw and grain, and while nostalgic, not too practical a method of using our tractors. While this may have been the bread and butter of the belt work in the past (since this is what made the money on many farms), the smaller tasks may have been and still can be its real claim to fame. The thresher would bring in the harvest (and income) once a y
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