Bob G Posted July 15 Report Share Posted July 15 I have a 1987 Avanti. I need to replace the radiator cap. Does anyone know what max. PSI the cap should hold? I have been told 7 PSI by one parts dealer and 14 PSI by another. Thanks, Bob Link to comment Share on other sites More sharing options...
IndyJimW Posted July 15 Report Share Posted July 15 AC Delco RC27 - 15lb. Same as 1987 Chevrolet Monte Carlo. Link to comment Share on other sites More sharing options...
Bob G Posted July 15 Author Report Share Posted July 15 Thanks. I actually opened the owner's manual and it also states RC27, AC Delco Link to comment Share on other sites More sharing options...
IndyJimW Posted July 15 Report Share Posted July 15 Real men don't need no stinking owners manuals. 😁 Good luck, Jim Wood Link to comment Share on other sites More sharing options...
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