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Original Message
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| RE: 352 modifications |
| By Dave Shoe - 04/07/2001 9:56:12 PM; IP 216.243.158.126 |
352 cylinder heads are the same as 390 cylinder heads.
You didn't mention the year, but there was an "emissions" redesign of the basic FE head in 1966 which caused the old "pre-emissions era" head to split into two new "emissions era" designs, and also a slight change in 1968 which consolidated the two new designs into one, and knowledge of these changes are critical in selecting headers and intake manifold, and they also help in choosing other items such as cam and carb. Note the 1966-later FE head also has features cast in which allow drilling bolts to mount Fairlane or Mustang exhaust manifolds.
Up until 1965, there was only type of head for any non-HP FE engine. The 332, 352, 361Edsel, and 390 all got the same head. The casting number may have changed from year to year, but the head didn't change. These heads are all great for non-Fairlane and non-Mustang applications.
Note that in '66-'67 Ford used the same two head castings on 352, 390, 390GT, 410, 428, and 428PI engines. The GT and PI motors just got stiffer springs.
In '68-later they had only one casting for all 360, 390, 390GT, 428, and 428PI engines. Again, the GT and PI got stiffer springs.
Note that the desirable 1966-67 head is the C6AE-R because it kept most of the '65-earlier flow characteristics, but it got bosses added to fit-up Fairlane/Mustang exhaust manifolds.
Shoe.
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