Edelbrock / RHS heads, or go BIG block and put it to bed!

LXguy said
What heads do you have now?

What trans?

I'd probably recommend staying small block. Big block swap is not for the squeamish, and the expense doesn't end with buying the big block.

What gear do you have?
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Stock polished ported heads 489 lift cam. 904 trans. I will ask you the same question, is 17,000 miles to high to change heads? I know the motor builder will check on everything to make sure, but ?