SB vs BB who wins?

You‘ll still be dealing with windage loss with any B or RB deal. Easily a 50 HP killer right there. And there is very little you can do about that. Not even a dry sump will fix that.


Do you remember PS Truck? I do. 358 inches in IIRC a 2800 pound truck. With truck aerodynamics.

And yet, if you analyze the numbers you’d find that the PST, if it was given a 2500 pound chassis and another 50 inches would be right there with PS car.

Everyone knew it. The trucks were far more popular than the cars were.

And the PS engines use maybe, MAYBE a 3.700 stoke. Most times it’s under 3.700 depending on bore.

EDIT: I forgot to mention at least 2 inch longer pushrods on the B engine. That’s an RPM killer right there. I can tell by the way you talk you’ve never had an engine at 8000 rpm with a reliable tach. You’d know how much the little **** adds up. And it adds up. Quick.
Maybe. I had a small block that I spun to 7500,,pretty sure it would have been faster spun,to 6500.
So, show me a non-displacement-limited class (pro stock truck was not allowed to run big block, even at a small block displacement) where a small block is faster than a big block.
I will concede that a small inch small block can make more hp/cube than a big block. Can. Doesn't necessarily will.
Hypothetically, Which do you want in your race car, at a hypothetical 2500 lbs. A two liter rice burner that makes 120hp/liter, ....... or a 2800 lbs car with a 80 hp/liter engine..... with 632 cu in.?
I think the 900hp car would be faster.

And I'd rather have a big block that makes the same power at 6000, as your small block at 8000.