Here is a site that explains it.
http://www.voltech.com/support/articles/59/Turns%20Ratio%20(104-113).pdf
Good looking and fast car you have.
Looks like you have the correct combination.
Try some Royal Purple oil products, and Marvel Myatery oil as an octane booster/ top end lube.
The oil...
I use Mallory #29625 and would recommend the same.
I run a full roller motor with a .585 cam for the street.
With a .690 lift cam it dynoed @ 679 hp
My toys I built or help build & race,
http://community.webshots.com/user/1bad80100
You can buy a testing unit from NHRA, we have one for our nitro/alcohol ratio.
The ones they have checks for anything added to the gas and tells what the gravity is.
I run a Mallory set-up in my 434 sbc Vette.
I have tried the others and had problems with them.
Crane fire wire plug wires are the best to use @25 OHM ft
Yes I took my car to the strip, 10.89 @135mph and drive it every day and hit the cruise's with not heat problems.