I would agree with others that you don't need to eat any carbs before heavy lifting. day before, hour before, whatever.
I am 4 months into Ripp's Starting Strength. I refuel with anywhere from 50 g carbs to 150 g carbs from sweet potato right after lifting.
I go into the lifting fasted ala Leangains.
Then again, i have had days where i felt extra good during lifting and i think they were a day after having some beers the night before. Sounds silly but maybe i worked better with those residual carbs in my system? Too many variables to make a claim but nevertheless food for thought.
If you are NOT adapted to fat-burning for your fuel source yet then perhaps before you start or continue with the lifting you should wait till your body is totally used to fat for fuel, any carb-flu, etc is gone?