Sounds like pressure from combustion is getting into the cooling system.....bad coolant seals....I had this happen to me and wound up replacing the motor... Good luck..

 

just check the caps first...that probably is it

 

step 1:

go to advance auto parts and buy a coolant preasure tester



step 2:

Preasurize the system to 13psi and check for leaks. The system should be able to hold 13 psi indefinitly, if it does not and there are no visible leaks then bad coolant "O" rings are suspect.



step 3: If the cooling system holds 13psi and you have no leaks or Loss of preasure. THEN GO BUY NEW CAPS



P.S. make sure you don't over fill the coolant

 

good idea with the pressure tester..i always forget to say that...

 

I will have it pressure tested tommorrow. I put new caps on it tonight and drove it about 4 miles. So far, no leaks. I have never seen any antifreeze on the ground. I will keep a good eye on it, I always check when I fill up, but the dummy light has come on before. Thanks, I hope like hell it is not the seals inside, that will suck!

 

88 RX7 NA

Pioneer CD Deck

Sony Amp, 2 12" TOBY Subs

Sony Explode Mids

All Cats Gutted

2 1/2" Single Pipe Catback

New Hood

New Carpet

NOS is in the mail,

I love my resto RX7

Soon to come, TB Mod,

lose the air pump,

electric fan

cold air intake



NOS!?! i guess you really do want to have to buy a new motor =P

 

So is it ready to roll yet 88turbo?And NO! nos won't kill your engine unless your stupid enough to jet it too high.