Jim S Posted December 19, 2022 Report Share Posted December 19, 2022 My 87 heater takes a long time to heat up and never gets really hot. The temp gauge only gets up to 140. I have a 195 thermostat. The core has good flow too and I have a new water pump. I had the same 305 engine in an 89 Camaro and it got nice and toasty. Any suggestions? Link to comment Share on other sites More sharing options...
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