thanks for the input guys, all duely noted.

yes it was stiff last time also (only second injection) i use 23g with 2.5cc syringe. funny thing this time when i aspirated though was when i liften the plunger as soon as i let go it shot down as if there was some sort of force sucking it down, why is that? (not down enough to push the oil in just up to the oil)