Thanks to everyone who replied to my recent posts regarding my issues that I was having after doing a 'tune up'. I'm still having the issues and hunting for a possible vacuum leak. However, does the following scenario ring a bell to anyone as to where my problem may be stemming from? If I keep my idle speed microswitch pressed down, the timing is right in line with where it needs to be when I check it with my timing light. If I rev up the engine and keep the switch pressed down, the timing still looks about right...even though the car wants to die out if I let it idle at the standard 750rpm. However, if I *don't* push down on the idle switch, the timing is way off the charts, almost directly at the "12 o clock" position. If I rev up the engine, it gets worse and goes higher..not to mention the engine sounds like garbage... I've been doing the 'propane vacuum leak' testing in order to find the source of the leak in key areas, and nothing has turned up yet... If anyone has some thoughts to why this may be occuring, I'd appreciate any input. I'm not very familiar with how the system operates (but quickly learning..the hard way!)...but I was hoping this might help point me in the direction of what might be at fault, what may be leaking, etc... Again, the car ran quite well until I did a tuneup and it went south after that and wouldn't accellerate at all. It idled ok...but after the car sat over the winter months in the garage, now it doesn't even want to idle...it just wants to die. I know I must have done something, but keep looking, checking, searching, comparing, and haven't come across anything...either I did something that I can't locate, something was failing while I was doing my tuneup, or something was on the edge of failing and I helped it along by disturbing it during my procedures. Thanks in advance! Pete