Yes, you definitely need to do both sides equally. Did my 428's a couple of weeks ago and am so far beyond amazed, especially considering the price was only $30 and f/s for first quality units. OB

Thank you ClieOS, being new to this hobby I came upon this site while researching the E6, perfect review, everything I was looking for and needed to know all in one spot. I look forward to many fun and fruitful hours spent on this site.