Nickel in blocks???

[RALLY]

Originally Posted by William

One of the CRG Core members asked the same question years ago. The late John Z's response:

NOPE.

"Most people have no clue how a high-volume foundry operates - the "recipe" for the grey iron and malleable iron melt load wasn't changed; it was very carefully arrived at over the years, and its content was stabilized. The "high-nickel block" theory was debunked years ago, although some folks still cling to it."

John

If anyone knew, it was the late great John Z. I asked him numerous questions about Chevy SB Heads and he always answered my emails.