Shock Travel / Shock Length

[JAKES1969]

I have a 69 Camaro sbc, 17 x 8'' rims on front running a 235/45/17 tire.
I'm using Global West control arms and the lower arm has a cup that lowers the front 1'' and i'm using Vikings dual adjustable shocks 400 lbs spring i'm not sure the length. So my question is when you are setting the ride height you want by adjusting the the spring position how much shaft should you want visible to make sure you getting enough travel ?
What shock length would work best with the 1'' drop ? Also is there a "best" shock ? for ride quality ? or a shock spring that is superior ?
I raced motocross for 40 years and i've always experimented with my shock(s) to get the bike dialed in.



I'd like the frontend to have more travel and not be so rough driving.

Thanks ... JT