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Original Message
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| Oops. 1966-67 "427" Fairlane/Comet manifolds |
| By Dave Shoe - 07/29/2002 6:44:43 PM; IP 12.104.160.195 |
Royce mentioned: "David is referring to 1966 / 67 Fairlane or Comet manifolds which are rare as hen's teeth and very expensive."
I believe he mean't the 1966-67 "427" Fairlane / Comet manifolds, which the 427 Galaxie inherited once they became available for the Fairlane in 1966. Ford apparently preferred the "ball glove manifold" (one side looks like a mitt), also known as "fan manifold" to the expensive full-sized cast iron headers formerly used in 427 Galaxie applications.
Note the "fan" manifold used the common 8-bolt vertical bolt pattern. I believe Fairlane/Comet shock towers were drilled to allow socket wrench access to the lower bolt heads.
Note also that all non-427 heads cast since 1966 can be redrilled for the 390 Fairlane/Mustang exhaust manifold bolt pattern, as the bolt bosses had been cast into the head. Be sure you don't drill deeper than stock (use lower holes as a depth guide), or you may hit antifreeze. Don't expect much performance out of 390 Fairlane/Mustang style manifolds.
Cast iron is easy to drill. Just be sure you don't overheat the iron. Use cutting oil, water, or a light oil), as the flake graphite in the cast iron qickly turns to carbide when his happens, making further drilling impossible.
JMO,
Shoe.
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