04-27-2004, 09:23 AM
You'll end up paying hundreds for an r-12 charge, and if you've got a slow leak, you'll be doing it again soon. I'd look into an R134 retrofit kit or an r12 replacement. Products like this are supposed to be able to be used in an r12 system http://www.freeze12.com/ without changing anything. The shop across the parking lot here says they've used things like this with excellent results. I'll ask him specifically what brand he's used. And I'm sure plenty of RX7 people have converted to r134a, there are some REALLY cheap kits at autozone and walmart to do it, sometimes they work ok. And I think there are more expensive kits that will work very well, just see what kits people have had success with. Once you've converted or found a cheapo r12 replacement, you won't be throwing hundreds of $$ at it every year, maybe just a few bucks at the start of each summer. This is assuming a leak is the problem, you might be able to test some components and see if they're working right. Not my specialty.