>If you have a later model
>Vanagon (86-91) you can go to Wal-mart buy four cans in a kit and
>convert the van in ten minutes.

What's the issue with converting older vans?  Not enough cooling capacity after conversion?

>If the system still has a little in it then it
>probably has just leaked out over time (normal) and you can recharge it
>and it should last a while.

Are you saying that it works to mix R12 and 134A, rather than having the R12 recovered and then filling with R134A?

Bill