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Original Message
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| RE: 390 Code Question |
| By Gerry Proctor - 03/20/2006 3:12:54 PM; IP 137.242.1.15 |
People have said that early production used late prior year production. Maybe. I don't know. I've never seen an example myself and all the stories I've heard have been anecdotal. Look up the date casting codes to see when it was cast. You'll usually find all the parts are no more than two weeks apart and that the engine was mated to a car within a two-week window. Later dates are not all that uncommon, but Ford wasn't in the habit of letting inventory sit around waiting for an installation.
I doubt they engine is a Mustang engine but the date codes will tell for sure. Not that it matters since there was no difference between a Fairlane and Mustang 390 GT engine.
The 14-bolt head was used in all unibody cars (Mustang/Fairlane) from '66 through '71. The only other unibody head is the 16-bolt 428 Cobra Jet and the 427 installed in the Fairlane.
As to the clutch...there is only one bellhousing used on unibody FEs and it doesn't matter whether it had a 3-speed or a 4-speed. The only other FE bellhousings were the big car housings that mounted the equalizer on the bellhousing, and the truck housings which were 5/8" shorter than car housings. |
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