Two 5.3L Questions
First Question:
I have a 01 5.3L long block out of a suburban, it has the 706 heads, but is it the LM4 or LM7 engine or neither?
What are some good companies that make forged pistons for LSx's especially for the 5.3L with a raised pin height, for use with a Longer stroke crank, and longer rods?
Thanks, Scott

