I feel sorry for you mate,Doing some jobs on your own is crap for a start but you,re getting it done. Get on U Tube tonight and see what you can find.Might not be a commodore but I'm sure you,ll pick up some pointers.The worst part of a job like this is that in a workshop with rattle guns and a hoist ther is no way that it would take 40minutes to do both sides.When the car,s on a hoist you just have to undo everything then hang off the hub on the side you,re doing while the other guy lifts out the stock spring and pops the new one in place.If you lived in my street you,d only have to have the bonnet up or the car on stands and wait for 10 minutes before 2 or 3 neighbours came over to offer to help.Course that can always be an excuse to have a beer rather than mow the lawn