Pros & Cons Cadillac 4.6 vs Ford 4.6 (eg lincoln mark viii and others)
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Northstar Engines and System Technical Discussion Discussion, Pros & Cons Cadillac 4.6 vs Ford 4.6 (eg lincoln mark viii and others) in Cadillac Engine Technical Discussion; Which Engine is the best - which can I hope to live longest - pros & cons? My 1993 N* ...
  1. #1
    MachoDemon is offline Cadillac Owners Member
    Automobile(s): Cadillac Allante 1993
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    Pros & Cons Cadillac 4.6 vs Ford 4.6 (eg lincoln mark viii and others)

    Which Engine is the best - which can I hope to live
    longest - pros & cons?

    My 1993 N* was taken apart and rebuilt except bottom part
    and piston rings which were good. I had/still have a brand
    new OEM Engine which I can keep

    Engine was out because the infamous N* oil leak at
    oil manifold baffle against block.

    There was NO Tendency of HG leak (at normal cyl 1)
    and I used the original A F for more than 10 years (green)
    then I replaced it with DexCool.

    After the rebuild I use Peak - and am also recommended
    Blue Mountain.

    A shop here says they a couple of customers with
    + 150,000 without problems - many here have blown
    their HGs.

    Why are N* blowing HGs - mine did not.

    BUD I ALWAYS USE WATER PUMP LUBRICANT AND
    ANTIRUST - Union Carbide or STP (looks like milk)

    Anyone can explain what this "milk" is or how good
    or bad?

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
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    Re: Pros & Cons Cadillac 4.6 vs Ford 4.6 (eg lincoln mark viii and others)

    It all depends on whether you want to drive a Ford product or a GM product, because neither engine will function in the other branded vehicle. So the comparison is moot.

    Engine repairs and longevity ?? Given time, mileage, overhaul, and maintenance ANY automotive gasoline engine will go over 1,000,000 miles - even a real Volvo ! (of course, by then only a few nuts and bolts will be original)

    Every cooling system additive by every manufacturer has so many different ingredients that it's almost impossible to predict which combination will result in the correct magic potion for your engine in your climate under your driving conditions............ and NO coolant manufacturer recommends running the same coolant (without cleaning and replacement) for 10 years.

  4. #3
    maeng9981's Avatar
    maeng9981 is offline Cadillac Owners Connoisseur
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    Re: Pros & Cons Cadillac 4.6 vs Ford 4.6 (eg lincoln mark viii and others)

    Not all Northstars blow head gaskets. You see a lot here because it's a help! forum, and A LOT of Northstars seem to have been neglected.

  5. #4
    eaglevision993 is offline Cadillac Owners Member
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    Re: Pros & Cons Cadillac 4.6 vs Ford 4.6 (eg lincoln mark viii and others)

    I have a Northstar (2000) and a Ford 4.6L modular (1999) which is not the high performance 4.6 though. Just the 2 valve engine. Never had a problem with both engine.
    But the Ford modular has 155k on it and the N* 60k miles.

    Which engine has more "spirit"?- The Northstar!
    Which engine do I trust more? - The Ford Modular V8!

  6. #5
    drewsdeville is offline Cadillac Owners Master
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    Re: Pros & Cons Cadillac 4.6 vs Ford 4.6 (eg lincoln mark viii and others)

    As far as the engines themselves, I'll side with the Ford. It manages the same performance and efficiency without the drama queen attitude (That's not to say it doesn't have it's own problems). No significant sacrifice. Unfortunately, they were installed in sub-par cars.

    I'll take a Ford Intech V8 drivetrain on a GM platform. The best of both worlds.

  7. #6
    I~LUV~Caddys8792's Avatar
    I~LUV~Caddys8792 is offline Moderator
    Automobile(s): 1992 Town Car Cartier & 2014 Accord LX MTX
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    Re: Pros & Cons Cadillac 4.6 vs Ford 4.6 (eg lincoln mark viii and others)

    I'm very happy with the Marauder's 32v 4.6L V8. Great performance, great reliability, decent fuel economy.
    "They call Alabama the Crimson Tide, call me Deacon Blues."

    Current:
    1992 Lincoln Town Car Cartier Edition (5/14- ?)
    2014 Honda Accord LX MTX Sedan (1/14 -?)

    Past:
    1995 Buick Roadmaster Limited (4/04-12/04)
    1992 Cadillac Sedan deVille (12/04-9/07)
    1999 Mercedes Benz S320 (8/07-7/09)
    2000 Buick Regal GS (7/09-4/12)
    2003 Mercury Marauder (4/12-10/13)
    1991 Buick LeSabre Custom Sedan (9/12-6/13)
    2013 Honda Accord LX Sedan (6/13-1/14)

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