Smoke/steam from vents. Heater core??

[Fox Body]

Hey man DO IT.

You kinda think about messing up a good thing (you know, leave well enough alone), but since you are changing your dash, definately go ahead and change your heater core. Make SURE to check the flanges THOROUGHLY on your "new" heater core and make sure to your best ability that it is indeed in good shape and not leaky.

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351W-powered 1979 Ford Mustang notchback
Stock 5.8L under 4" cowl, C4 w/ shift kit
Holley 750 cfm, Edelbrock Performer RPM intake
1 5/8" MAC shorty headers, Al driveshaft
2.5" Off road H-pipe, 2-chamber Flowmasters
Front: 225/60/15, Rear: 255/60/15 Eagle GT II
Weld wheels (15x6;15x8), 8.8" Rear w/ 3.55s
14 x 4” K&N air filter (getting the Xtreme setup someday)

"Red, thou art my companion. Hasten now your quickened metamorphosis to Green that I may conquer all who dare abide there beside me. May they be left thither behind burnt black." ---Fox Body