LS 2 bottum end

[wes barlow]

why is a lot of people using LS 2 bottom end on LS 3 motors

[csouth]

???? I think what you are seeing is ppl using LS3 heads on LS2 bottom end. They want the LS3 heads because they flow better, although I hear ported LS2 work better for the 4.00 bore of the LS2.