Hello,
If our tests are any indication, you'll be lucky to get 70% efficiency with the weave-it-into-the-rope version. It brings up a lot of mud, too, which is why we nicknamed it the "Shovel Splice". See a better version here:
http://www.neropes.com/SPL_12Braid_Megaplait.aspx.
Fair leads,
Brion Toss