You could bypass your heater core and see if you still smell it. Just put a small hose across the 2 fittings on the motor. Then drive around and see if you still smell it. Also you could hook some air supply to the heater core and then sit in the car and see if you smell it also. Only put about 15 psi on the heater core.
69 Camaro Prostreet - purple w/ghost flames , 502 w/ 871 blower
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