Small Block vs. Big Block

Most like the Big Block but I think the SBC has this aura of "coolness" to it. :cool: What do all of you highly educated people think?? :)

I'd like to quote a famous phrase, "There's no replacement for displacement". In the case of an engine, I like power to be bold, but not overkill. However, I will say that with a small block, it would be more efficient that a big block.




I'll stick with Big Block.

Small block for me baby . . .

Displacement my booty-hole . . . it's about specific output!

Its true that displacement isn't easily replaced, but I've heard that technology can do it. :D













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Can someone post the restritions for Small and Big Blocks? I heard it before but forgot now.

Their's nothing quite like a "Small Block "
They are strong/reliable/after market parts are endless and of course smaller then the b/block if you are doing engine swaps to small cars.
If your looking for raw grunt for the 1/4mile the b/block is the way to go.......if you can afford an all alloy 500+ big block to cut down on the weight of a cast iron b/b to get you E.T's down.
If it was me....a nicely worked s/b can give you the H.P you want.

Small blocks are cheaper to rebuild and can make real good hp.
The big block is for the serious hp hunters.
Technology = GTO-TT.

I agree that big blocks are usually more suited to the power hungry drag racers. But both types of engine can be used for the same things. You can have a good handling big block powered car, and they don't need to be hugely heavy (Aluminium) and you can have a super powerful small block powered car.

My dream engine is probably a 302 Chevy with 9000rpm redline. My god, imagine the sound.

dint most of the corvettes in the sixties rev to like 8500???
i know some guys that drove them back then, and they used to rev em pretty high... so it wouldnt surprise me to hear a 302 revvin to 9, it would more than likely scare me...
schweet ass shit

I don't think even the small block Corvettes revved that high. Not stock. I doubt if many modified engines revved that high. Maybe some.

you would be surprised...
i know a guy who had a 427 vette that he said he could rev to 8k stock... not a surprise to me...
they were race engines in those cars...

What is considered a small block and what is considered a big block?

Small blocks are physically smaller than big blocks. If you see them side to side it is noticeable. All small blocks tend to be of similar dimentions, same with big blocks.

While small blocks are usually of lower displacement than big blocks, there are some SB with more cubes than the smallest examples of BB. For example, the 400ci GM engines are SB and GM also produced a 396ci BB.

matt- the easiest way to tell if the average Chevy motor is a non LS (the new small block) small block or a big block is to look at the exhaust port configuration. Virtually all small block Chevy heads have paired exhaust ports in the center, while big blocks have equal spacing between each port.

With Fords, you just have to know the engine families and observe the basic difference in size (big blocks are much wider than small blocks due to their taller deck heights, and this is true of all big blocks).