Here's my guess for a streeter;
.115 ftlbs per pound of car weight. and make it to the road none to early, cuz it will just go to tiresmoke. But at or near 35mph is where it will come in handy. Don't much care about absolute power, cuz I'm usually shutting down at 65 mph.
So for my 3650 pounds, I need about 420 ftlbs. and I want to run not more than 3.55s
So then I'll be looking at 420 x 3.55 =1491 into the rear axles, at peak
Ok then 420/360=1.167 ftlbs per cube; and that's a fairly easy goal
But with a 273, 420 becomes 1.538. So for a 3650 pounder with 3.23s this is Not a good place for the 273 to be.
But hey, at 2850pounds, that same .115 comes to 328 ftlbs, and 328/273=1.20 ftlbs per cube, and that's back to easy street.
So, I mean, it's all relative to the combo.
If my engine was smaller, I'd just have to shed some weight , to get back to .115ftlbs per pound
If my engine was stronger than .115, then I could either run more weight or less rear gear.
