no start - need troubleshooting help

Yes you can use the timing lite. I put it on the coilwire itself for faster results.Todays fuel is formulated for EFI. It loses is start-ability very rapidly when stored in vented-to-atmosphere tanks like what your A-body has. I use fuel-stabilizer to combat this. If you find a no-spark I have some tips for you.Let us know how you make out.