Does the aurora N* have the same issues?
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  • 2 Post By dkozloski
Northstar Engines and System Technical Discussion Discussion, Does the aurora N* have the same issues? in Cadillac Engine Technical Discussion; It may seem like an obvious question but I was just wondering. Both in the first gen and second gen. ...
  1. #1
    misfit6794 is offline Cadillac Owners Connoisseur
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    Does the aurora N* have the same issues?

    It may seem like an obvious question but I was just wondering. Both in the first gen and second gen. I know they were a little less powerful than the Caddy's. But do they have the same issues as the caddy northstar ei;oil consumption, cooling system maintainence. and were they built in the same factory?

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    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Does the aurora N* have the same issues?

    I don't see why not. They are the same exact engine, just a tad smaller.

  4. #3
    misfit6794 is offline Cadillac Owners Connoisseur
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    Re: Does the aurora N* have the same issues?

    Other than the fact that the labor on an aurora is rediculous, if you can find someone that'll work on it.

  5. #4
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    jadcock is offline Cadillac Owners Connoisseur
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    Re: Does the aurora N* have the same issues?

    In general, it doesn't seem like the 4.0 has the headgasket issues, at least to the same degree that it seems like the 4.6s do. The Aurora has a smaller bore, has more "meat" between the cylinders (same block, same bore spacing), and doesn't make quite the power the 4.6 engine makes. In fact, comparing the 4.0 (250 hp) to the 300 hp version of the 4.6, the 4.0 is down about 17% in power. That's not insignificant. If you added 17% more power/pressure to a 4.6, without any reinforcements, you'd probably see an increased occurance of headgasket problem.

  6. #5
    white97deville is offline Cadillac Owners Member
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    Re: Does the aurora N* have the same issues?

    I've talked to a couple of Aurora owners who have had HG problems just like I had with my Deville.

  7. #6
    Tommy Deville's Avatar
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    Re: Does the aurora N* have the same issues?

    I Miss my Auora, I prfer it over the Devillw concurs, Wiah i could get my hands on a nice 99 Autobhan

  8. #7
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    Re: Does the aurora N* have the same issues?

    I've never heard of as many oil problems, but HG problems seem much worse.

    This answer is not based on science.

  9. #8
    dkozloski's Avatar
    dkozloski is offline Cadillac Owners 10000+ Posts
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    Re: Does the aurora N* have the same issues?

    FWIW, I have a new AWD STS with a 320HP VVT North* and it really sounds neat when you put your foot in it. I'll let you know in a couple of years if it has headgasket problems.
    Don't mess with Binky Bear!


  10. #9
    barrylee is offline Cadillac Owners Member
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    Re: Does the aurora N* have the same issues?

    Quote Originally Posted by dkozloski View Post
    FWIW, I have a new AWD STS with a 320HP VVT North* and it really sounds neat when you put your foot in it. I'll let you know in a couple of years if it has headgasket problems.
    its been a few hows the sts?

  11. #10
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
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    Re: Does the aurora N* have the same issues?

    He's still driving it. Fairbanks, Alaska and in -40 weather.

  12. #11
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    CadillacLuke24 is offline Cadillac Owners Connoisseur
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    Re: Does the aurora N* have the same issues?

    It may just be me, but general consensus is that the RWD Northstars have nowhere near the rep that FWD Northstars do.

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