351 Benefactor.

Discussion in 'Technical' started by Bioinfomatic, Jun 12, 2007.

  1. Bioinfomatic

    Bioinfomatic Member

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    Of to the junk yard tomorrow and I would like to know what Ford vehicles are going to have 351 motors?
     
  2. maverick75

    maverick75 Gotta Love Mavs!

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    W,M or C?

    I would just look at all the fords since they could have had a transplant.(y)
     
  3. Bioinfomatic

    Bioinfomatic Member

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    Probably wouldn't matter to me really its going to get built up regardless, but a Windsor would be nice.
     
  4. 390S302

    390S302 Member

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    could be any ford product from 1969 to 1997
     
  5. ratio411

    ratio411 Member

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    Windsors were used in FoMoCo vehicles from 69 to 97.
     
    Last edited: Jun 13, 2007
  6. ratio411

    ratio411 Member

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    Dang, that was so close...
    If you capitalized and punctuated, I might have beat ya! ;)
     
  7. 302mav76

    302mav76 Isaac Serna

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    Are '87 and up rollers? or just the 302's?
     
  8. Bioinfomatic

    Bioinfomatic Member

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    So any Ford van from 1969 to 1996 has 351 engines; Is there a physical distinction between a 302 and a 351 so I wont pull the wrong motor.
     
  9. maverick75

    maverick75 Gotta Love Mavs!

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    the trucks had them the torinos/stang had them i think the granadas had them also

    the 351 block has a taller deck height
     
  10. ratio411

    ratio411 Member

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    95-up are the only rollers.
    Vans didn't get 351s right away.
    Probably got them as an option around 75.
    Ws will be most common in cars until the early 80s.
    Mid-80s up, they will be mostly in trucks and vans.
     
  11. ratio411

    ratio411 Member

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    If you look just below the distributor mount, on the block, the 351w has a vertical rib for reinforcement. The 302 has no rib.
    Also, you will find the 302 intake manifold is roughly 9" wide. The 351w intake will be roughly 12" wide.
    I don't have the intakes in front of me to measure, these are just guestamates.
     
  12. mavman

    mavman Member

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    They're easy to spot if they're EFI truck engines. They usually say "5.8 EFI" right on the top of the upper intake.

    Once you see a 302 sitting next to a 351w, the difference is obvious and you can spot them a mile away.
     
  13. ratio411

    ratio411 Member

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    This is the rib on a 351w...
    [​IMG]
     
    Last edited: Sep 19, 2007
  14. Bioinfomatic

    Bioinfomatic Member

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    How easy do you think it would be to pull out a "SBF" in a yard with just two guys who have about 10 years shop experience on foreign cars, and what tools are a "must" to bring?
    :jack:
     
  15. CaptainComet

    CaptainComet Large Member

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    351

    If going with a 351 definitely go with a Windsor. It will be a tough fit in a Mav (exhaust), but Clevelands are worse (wider) and Modifieds are taller and wider,besides being somewhat orphaned by the aftermarket.

    Here is a picture of mine with a 351W. Note the cut shock towers.

    [​IMG]

    The exhaust is still very tight. These were used 68 Cougar headers if an unknown brand that had an inch removed from each pipe and two pipes remade. This was done 10 years ago, so I don't know if someone has better options out there now. These are wicked tight because they still want to be right where the upper A-arms want to live.

    Cutting the shock towers is a nice mod. It gives you a lot more room to work on it.

    Are you sure you want a 351?

    If I were to do this over now, I would still cut the shock towers, but only after doing the Shelby A-arm mod remounting them (ignore the rest of this sentence) higher for better handling, so the towers could not be cut down as low. That wouldn't matter because I would be building a 347 stroker and still keeping the smaller 5.0 engine size. :thumbs2: Cheap stoker kits out there now and it is a much better fit. Maybe I'm getting old, but easier-for-the-same results makes a lot of sense. I spent an awful lot of time and energy getting this to work.
     
    Last edited: Jun 13, 2007

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