Northstar Performance rebuilt engine
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Northstar Engines and System Technical Discussion Discussion, Northstar Performance rebuilt engine in Cadillac Engine Technical Discussion; I had Northstar Performance install one of their "factory spec" rebuilt engines in my 1998 STS end Jan 2013. From ...
  1. #1
    jeramico is offline Cadillac Owners Member
    Automobile(s): 1998 Seville STS
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    Northstar Performance rebuilt engine

    I had Northstar Performance install one of their "factory spec" rebuilt engines in my 1998 STS end Jan 2013.
    From day one this engine is using one litre of oil approx. every 350 kms.
    Northstar Performance's response has been very limited ignoring the majority of my phone calls, emails or text messenging regarding this engine.
    So now I'm looking for an economical way to correct the oil usage which I think is valve seals or offer the STS for sale. No reasonable offer refused.

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  3. #2
    JoeTahoe is offline Cadillac Owners Fanatic
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    Re: Northstar Performance rebuilt engine

    how many kms are on the engine since install

  4. #3
    vincentm's Avatar
    vincentm is offline Cadillac Owners Connoisseur
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    Re: Northstar Performance rebuilt engine


  5. #4
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Northstar Performance rebuilt engine

    Oil usage analysis - blue smoke at startup which clears in several seconds is usually valve stem seals. Blue smoke all the time is usually piston rings, and copious amounts of blue smoke after a forced coast down or long coast down a mountain road is either valve stem seals and/or rings.

    Oil drips on the ground is a totally different subject.

    Overfilling the oil pan on a Northstar usually leads to excessive oil consumption - you can safely, and to advantage, carry the oil level at the bottom <=== ADD XXXXXXXXXX == area of the dipstick hashmark.

    I assume you're using the proper 10W-30 oil in whatever type floats your boat ??? Is the engine babied, or do you regulary run the living stink out of it ?? (Read and study the entire Cadillac Techical Archive way up ^^^ in the top black bar.)

  6. #5
    jeramico is offline Cadillac Owners Member
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    Re: Northstar Performance rebuilt engine

    there is less than 20,000 kms ,runs good , check eng light on but no codes

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    don't think I'll be talking to Jake he is the one did rebuild/install

  7. #6
    JoeTahoe is offline Cadillac Owners Fanatic
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    Re: Northstar Performance rebuilt engine

    as sub says use the lower hash marks on the dip stick and defiantly get ahold of jake. If the check engine light is on it has codes

  8. #7
    jeramico is offline Cadillac Owners Member
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    Re: Northstar Performance rebuilt engine

    Jake is the one did rebuild and install won't talk to me

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    lots blue smoke when u coast then accelerate yes using proper oil after rebuilt eng installed drove 700 kms and low oil message came on

  9. #8
    97EldoCoupe is offline U.S. Patent #8,740,532 - www.studkit.com
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    Re: Northstar Performance rebuilt engine

    Maybe if 26 voicemails after 5pm were not left calling me "Joke Wiebe" I might have more courtesy toward you.

    No engine will burn a quart in 300 miles unless someone forgot to install the piston rings. You told me all spark plugs came out clean with no build-up. You mentioned no blue smoke when I first asked you. Then changed your mind about that later. I had an oil burning Olds 403 that blew blue smoke constantly and it never one consumed that much oil.

    I've dealt with you as far as I will. You've been a problem from the day you showed up at the shop, You've been rude, you blamed us for a leaking power steering line, you blamed us for a leaking oil pressure switch (it happens, it's mechanical, there were no leaks when you left here at all,) you blamed us for a blown radiator hose. It looked to be in good condition, no soft spots. Everything is deemed our fault by people who don't understand we are dealing with older vehicles.

    Some people look for trouble and look to nitpick at everything. I will always have customers like you as long as I'm in this business. I'm not in business to make unhappy people happy. I'm in business to fix a widespread problem for those who appreciate it. Plain and simple.

    I have nothing more to say. Ignorance and bitterness is not something I'm qualified of repairing. For that you will need to see a professional in a different field.

  10. #9
    jeramico is offline Cadillac Owners Member
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    Re: Northstar Performance rebuilt engine

    it is your rebuilt engine so you know what you did or didn't do and yes lm very frustrated with your lack of response for 4 1/2 months, you have ignored this problem right from the start. I can prove all the oil .consumed by receipts You have never dealt with any of my problems since I left your shop end Jan.
    It appears you hear only what you want to hear and everyone else is to blame. Seems its your way or the highway and when you translate your warranty its 30 feet or 30 seconds. And for my phone call and Cadillac forum its the only way l could any response from you be it good or bad

  11. #10
    jeramico is offline Cadillac Owners Member
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    Re: Northstar Performance rebuilt engine

    Just wish to inform all that once l provided necessary documents showing oil consumption Jake responded instantly, took my car in, did some tests and found factory default with the PCV valve. He ordered necessary parts and took care of the problem. Jake and l are on good terms once
    again. To sum it up l would have no one other than Jake working on my engine and any time in the future if l require engine service Jake Wiebe
    Northstar Performance will be the go-to guy.
    JoeTahoe likes this.

  12. #11
    JoeTahoe is offline Cadillac Owners Fanatic
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    Re: Northstar Performance rebuilt engine

    glad to hear. Enjoy that engine

  13. #12
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Northstar Performance rebuilt engine

    Amazing what a little courteous conversation can accomplish. Glad it all work out and thanks for the feedback. Time for a group hug.
    RippyPartsDept likes this.

  14. #13
    97EldoCoupe is offline U.S. Patent #8,740,532 - www.studkit.com
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    Re: Northstar Performance rebuilt engine

    Thank you Jeramico.

    I don't know where you served but I know you have served our country. Thank you for all you have done to keep our land free.

    If you ever buy another Cadillac for yourself or a family member; I will remember you when it comes to writing up the invoice. You will be getting a slight discount. I won't promise how much but just mention your name and I won't forget. 2 months from now or 10 years.

    Take care-

  15. #14
    Charlie5280 is offline Cadillac Owners Member
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    Re: Northstar Performance rebuilt engine

    Good to hear this was rectified

  16. #15
    98Geldog is offline Cadillac Owners Fanatic
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    Factory default with pcv valve? Was the valve bad or was it internal?

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