Is it reasonably possible to clear savage without Synced Burst windows?

[Gurgeh]

Then the answer is no. Considering you have to take Abyssos Savage when it was current into account. It would not be commonly possible to clear the 8th circle savage with any comp and not be synced on bursts. The DPS check was very tight, and balance was not in a good state (currently balance is in a bad state as well) to handle it. World Prog/Hardcore groups were having to switch off of underperforming jobs to clear week 1, so expecting common PF players at minilvl +10 to do it and not syncing buffs is not happening.

Well then I'd say for all those who complain that the jobs are too alike and boring... there is 100% of your problem right there.
QED
The DPS checks are too challenging.
To anyone who will later then complain Savage is too easy I cleared it week 1 after three sessions, it really ticks me off. Because "have you tried it without cheating, yes I'm including any and all use of parsers in that."

I'd also say if you put together a team of JUST the meta jobs for that tier, again don't complain that you cleared/farmed it super quick and your bored.