With closed-chamber alloy heads and just 10.45Scr, IMO, I think yur leaving some (a good deal of) performance on the table. The 4.10s will help with that, but Ima thinking she'll want quite a bit more than a 3000 stall.
The Wallace Calculator, at 10.45Scr; predicts about 153psi, which should run on 87gas.
In your Duster, with 4.10s and say a 3800stall; yur gonna need ginormous tires at WOT. 295/50-15s fit right in there, after you move the springs inboard. You may need to narrow the rear end.
Happy HotRodding;
I really mean it.
BTW
I ran that cam in an Eddie-headed, street 360, at 11.3Scr, for a cylinder pressure of over 170psi. (Those alloy heads are known to support 200psi, maybe a tad more. I myself have run them at 185psi on 87E10, with NO detonation). I ran it with a clutch, and an A833. With 3.55s, Second gear was 82 mph at 7000rpm; and the power didn't even start until about 60mph. First gear at WOT, was just a burn-out gear.
But worse, for me, was the lack of driveability at lower rpms in First gear with a starter gear of just 3.55 x 2.66=9.44..( With a hi-stall/automatic, you should be OK.)
I never tracked this combo.
In late summer of it's First year, I pulled it out and sold it.
And Yes; I moved that cam back and forth from 4* retarded to 8* advanced, and didn't like it anywhere in between.
With 4.30s it was a beast, but on the street with a clutch; that got old in a hurry.
