I did the hot start relay kit on my air cooled.  Made a differnce, but I still had to repalce the ignition switch.  Not the lock tumbler, but the palstic switch that mounts under it.  They are less than $10.00 John  >Well, I put on the hot start relay from Bus Depot today.  Blue 84.>We'll see if all my starting problems are gone in a couple of weeks.