Cleveland block

[Ralph A Powell]

Originally Posted by Greg Reimer 7376

Sometimes, the out of country foundries, i.e. Mexico, didn't have the thin wall foundry techniques and they turned out nice thick dense castings. A local very reputable engine builder out here got a 350 Chevy block that had Hecho en Mexico cast into it. A sonic test revealed that it was very thick and with very little core shift. As a result, it turned out to be one of the fastest 350 Chevy Super Stock motors he had ever seen.It sometimes pays to overlook some things and test further in order to arrive at a great end result.

Lack of Core Shift =s the core boxes weren’t wore out and pins and bushing were in good shape!