They never were in any kind of sync. Do you have charts to show such a pattern?
Although you have to read into it. I would say this looks pretty constant around 0.025 for the past three months. If you believe ltc will fall soon then the pattern will continue.
http://www.ltc-charts.com/period-charts.php?period=3-months&resolution=day&pair=ltc-btc&market=btc-e