SBC block filling ?

[396chevy]

Originally Posted by Dwight Southerland

X2

Use some good telemetry and find out the difference in temp of a filled block (the metal part, not the water that is circulating) at the bottom of the stroke and at the top after some hard runs. That will tell you much more than all this theorizing. I do know that a BBC early 396 block has an entirely different temp pattern than a sleeved 454 service block.

Yep, For sure!!