4
questions

They had a rebuild starter put in and it started fine for awhile. Now it doesn't start again so they took the starter out and took it back to Advanced Auto and they tested it and said it was fine. Could there be a dead spot on the starter that they wouldn't see when they tested it? Seems strange that it worked fine for a couple months and now it won't start again. Occasionally it will start and run for a couple days. Any suggestions would be appreciated. Thank you in advance.

This is the first time I've done this so just trying to learn as I go.

I built a new 3.1 v6 and omitted the efi. I put on a 550 holly and msd igni box (6al) with a mallory distrib (unilight). When in park runs great and used timming light withen specs and sounds great when in park. When I drive it and get to 30mph it feels like I have a govener set at 30 mph but i dont. Motor has no smog on it, exempt. no sensors on it. Everything is new started from bear block. This is not my first build but this is my first problem like this.

It happens everytime you drive the car.