forged ls1 vs forged lq4
if so, they are the same, except displacement, when talking about building them from scratch.
STOCK/Factory,
ls1= 346 ci aluminum
lq4= 364 ci iron
I may have misunderstood your question, i was assuming you didnt know that an "LS1" is aluminum. maybe you do. But then, outlawz is correct.
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