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428 Police Interceptor Motor questions

Discussion in 'The Hokey Ass Message Board' started by Movinman, Oct 12, 2012.

  1. James427
    Joined: Apr 27, 2008
    Posts: 1,740

    James427
    BANNED

    Another point to consider.... if the 66 is a late production 66 the date codes may be late enough to have been installed in an early 67 Shelby. 66 and 67 engines were not stamped with a VIN so it is possible to have a "numbers matching" 428 back in a Shelby if just the date codes match. I have sold three 66-67 428's out of T-birds and Mercurys for over $3,000 each just because of this fact. So if the car is just a donor and it still has its original 428, check out the date codes and consider selling it for big bucks and buying the engine of your dreams. FE's are big, heavy, wide and their transmissions are too, so fitting them into early iron (unless it is a late 50's or early 60's Ford) can be a lot of work.

    Also, for FE's and 428's in particular, people tend to call ALL 428's "police interceptors" like they call ALL SBC's Vette engines. Unless it is a "P" code, it is not a true Police interceptor engine which is quite rare. Mercury also made 410's which are basically real 428 blocks with a 390 crank. These blocks are still worth good money because you can put a 428 crank in them and you have a true 428. Let us know what you find out.
     
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  2. finn
    Joined: Jan 25, 2006
    Posts: 1,280

    finn
    Member


    Wrong.

    The 410 is a 390 block (4.05" bore) with a 428 crank. Basically a 390 factory stroker engine.

    Also remember that the majority of Mercurys of that era came with a garden variety 390, which looks the same as a 410 or 428.
     
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  3. James427
    Joined: Apr 27, 2008
    Posts: 1,740

    James427
    BANNED

    There is my dam dislexia kicking in again. Got it backwards, lol. Did you hear the one about the Dislexic Athiest??? He just doesn't believe in dog.
     
    Boneyard51 likes this.
  4. Jeff Holter
    Joined: Aug 28, 2018
    Posts: 4

    Jeff Holter

    C6AZ-9424-H is the '66 428PI aluminum intake
    C7AE-9425-F is the '67-'68 428PI aluminum intake (and early '68 GT-500)
    C8OE-9425-C is the '69-'70 428PI cast iron intake (and '68-1/2 thru '70 GT-500 and GT500KR)

    The MustangTek website has several errors regarding the C6AZ-9424-H intake applications.
     
    jetnow1 and Deuces like this.
  5. Good to know on intake engineering/casting numbers - need to double check my engine part ID spreadsheet now.
     
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  6. deathrowdave
    Joined: May 27, 2014
    Posts: 3,518

    deathrowdave
    ALLIANCE MEMBER
    from NKy

    Change to aluminum intake and water pump , you loose near 100 lbs . , heads along the way and it’s a true light weight
     
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  7. Deuces
    Joined: Nov 3, 2009
    Posts: 23,752

    Deuces

    Yeah, some (very few) came with the 427....:cool:
     
    lothiandon1940 likes this.
  8. Sporty45
    Joined: Jun 1, 2015
    Posts: 1,168

    Sporty45
    Member

    Well Movinman, did ya ever get that engine??? :p
     
    Deuces likes this.
  9. Deuces
    Joined: Nov 3, 2009
    Posts: 23,752

    Deuces

    Yeah! Inquiring minds (like ours) want to know.....:)
     
    Sporty45 likes this.
  10. Boneyard51
    Joined: Dec 10, 2017
    Posts: 6,440

    Boneyard51
    Member

    D8CCC86E-309B-4B70-93E1-EB7BCD863191.jpeg Bought this car, for $200 about twenty years ago, just pulled the engine to rebuild and put in my 1965 Galaxie 500XL!
     
    Last edited: Oct 2, 2021
  11. RmK57
    Joined: Dec 31, 2008
    Posts: 2,659

    RmK57
    Member

    I've also heard some of the later AC Cobras came with 428 PI's.
     
    Deuces likes this.

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