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Discussion Starter · #1 ·
I have the LB4 "Z" Engine is it any good?
Which is the better engine? :confused:

LB1 ENGINE, 4.3L V6 (4.3N)
LB4 ENGINE, 4.3L V6 (4.3Z)
Or is the "W" better :dunno:

Thanks for any 4.3 Info........:D
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