Well I seem to be going through coolant like no one's business. Everytime I turn on the car, that crappy *** warning light/horn sounds. And I fill the reservouir up all the time. ANy ideas? I'm puzzled. It happens very quickly.

 

You have a leak.
Common places to check:
1) Bottom of the water pump pulley.
2) Heater hose from center of firewall to left side of engine.
3) Thermostat housing (They develop a hairline crack)
4) Bad radiator cap
of course, look at all the hoses and obvious places.
In the worst case it could be the internal seals, in which case you need to tear down the engine.
Check the other stuff first.

 

do you see any leaks or puddles?

or white smoke out the exhuast?

 

Thanks for the quick replies. Just to kinda let you know a bit about myself. I'm not a newbie regarding cars, or RX7's for that matter. I've had a 93 RX7 before. And I'm a moderator on a DSM forum. The 87 RX7 I have is like my daily driver. Anyway, I've checked just about every item you guys listed. I'll check the water pump again. I see no white smoke, and no puddles anywhere. On a whim, I'll check the thermostat, just cause it's inexpensive compared to other things. If you have any other ideas, please feel free to post them. Thanks again.