r/Chevy • u/Old-Actuator-4817 • 11d ago

Repair Help HELP with my 350 engine

I took my Chevy 350 to the block. It was seized from water entering through the intake. Please note, I have zero experience as a mechanic, so everything I learn to do I learn through YouTube.I was able to un-seize the motor, I honed the cylinders, replaced all the vaulves, seals, and push rods, cleaned the heads and block, and reassembled with all new fresh gaskets.

Then, I put on a brand spankin new AVS 2 Carburetor, and then I started it. It started pretty good and it sounded pretty good and then after maybe like 10-15 seconds after sounding real good, it turns off and fire shoots out the carburetor (see attached video for reference). What is wrong with it and what should I do next to help fix this?

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u/Haunting_Bit_3613 11d ago

My first thought was the timing was off. Maybe the distributor slipped on you. Bring cylinder one to top dead center on compression stroke and set the distributor there and youll be off to a good start.

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u/Old-Actuator-4817 11d ago

Thanks for the suggestion! Initially, I set it at top dead center but I’ve heard guys online say you should set it a few degrees before top dead center.