Help Gathering Info on Inherited Motor

Just for kicks I get this;
Static compression ratio of 12:1.
Ica of 80*, elevation 1000ft
Effective stroke is 2.46 inches.
Your dynamic compression ratio is 8.22:1.
Your dynamic cranking pressure is 164.08
PSI.
V/P (Volume to Pressure Index) is 144

>I only used 12/1 Scr because that number was mentioned. This would require a total chamber volume of 83cc, so the head chambers themselves would have to be really really small.

>To get the Ica, I used the following
180less[{(312/2 less104)+360}less312]=80

> I got the elevation from WIKI

You should be able to drive that on the street if yur careful; I mean I would at least try it. No you won't need a gnarly TC; the VP is estimated to be 144 so that's just right, and it will pull 3.23s just fine.
I think Rusty nailed it.
I'd put a tiny 4bbl on and try it as is, give Dad some credit.

Just don't try and make it into a tow-truck engine.
Your cooling system is gonna have to be tip-top.
Thanks for the advice. He's got a double pumper on there now and was building this with the only intention of going down the track. With the shop that built the motor saying that it'd never run on pump gas, I got worried instantly about the possibility.

So far, that's pretty good news for me! I really hope it's possible to avoid methane/water and all that goes with trying to dull it down.