Thread: Can you remove and replace a piston from a 350 from the bottom

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Any thoughts on the screw falling out of the throttle body butterfly? I was looking at them today and they look very small and almost hammered on the back side. Kind of like an style rivet hammered on the thru side.

Originally Posted by mcgyver01

Any thoughts on the screw falling out of the throttle body butterfly? I was looking at them today and they look very small and almost hammered on the back side. Kind of like an style rivet hammered on the thru side.

IMO a screw that small might bounce around a bit, but it doesn't have enough mass to cause any impact damage, and it very likely would get blown through the open exhaust valve and get trapped in the Catalytic converter.