03-06-2020, 12:23 AM
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Senior Member
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Join Date: Mar 2017
Location: ABQ, New Mexico
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Putting the S code 390 in the 1967 Cougar then adding AC produced a lot of underhood heat. To combat this, Mercury added a fan shroud and a rubber strip to make a better seal to aid the shroud. They also added a heat shield on the battery on the two sides that faced the engine and extended it up over the battery to encase the positive terminal as seen in this photo.
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