fuel system troubleshooting

Q: I have a couple of problems I hope you can help me solve. I have a 1969 383 Mopar that shakes right after the first cold startup, but only if it’s been longer than 24 hours since the engine was last running. I was told this might be because the electric choke on my Edelbrock

Q: I have a 455-cubic-inch Pontiac with a pair of cylinder heads from a 400. The compression ratio is estimated at 9.3:1. The engine was completely rebuilt by a professional engine shop with forged pistons and crank, good valve job, roller tip rockers, double valve springs, etc. Here are some of the components I have: Holley