Not run for 6 years, what would you do?

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Northstar Engines and System Technical Discussion Discussion, Not run for 6 years, what would you do? in Cadillac Engine Discussion; Hi All, Got lucky the other day and found a '99 Northstar with 7K miles for $500.00 The guy bought ...
  1. #1
    banditzed is offline Cadillac Owners Member
    Automobile(s): 98 STS
    Join Date
    Jul 2005
    Ontario Canada

    Not run for 6 years, what would you do?

    Hi All,
    Got lucky the other day and found a '99 Northstar with 7K miles for $500.00
    The guy bought it from a wreck intending to put it in a street rod. It was fogged when pulled and has sat in his garage since 2001. Any suggestions on what I should do before installing it? I'll pull the valve covers and put some EOS on the cams etc., pull the plugs and disarm the coils and crank it before starting. I just wondering if I should timesert it and redo the half-case seal before installing it.
    Thanks for any help

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  3. #2
    misfit6794 is offline Cadillac Owners Connoisseur
    Automobile(s): 1996 Deville (sold), 2000 Mustang GT
    Join Date
    Jan 2007

    Re: Not run for 6 years, what would you do?

    As long as you have the motor out you may as well timesert it and redo some of the gasket, surely they have dried out from not being run. I wouldn't expect any hg issues at only 7k but since it would be easy to do I would timesert it.

  4. #3
    fubar569 is offline Cadillac Owners Fanatic
    Automobile(s): 82 fleetwood - 97 deville
    Join Date
    Feb 2006

    Re: Not run for 6 years, what would you do?

    is it going into a car or a project?

    if project, call a crank manufacturer and have them turn a billet stroker crank and get some eagle rods with new pistons...

    5.0L northstar? might be possible...i think the room is there for a little "stroke & poke"

  5. #4
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
    Automobile(s): 2002.5 F55 STS, 2014 Explorer XLT FWD
    Join Date
    Feb 2006
    MD Eastern Shore, Kent Island

    Re: Not run for 6 years, what would you do?

    Too bad you can't stick a 5/16" socket on the oil pump shaft to prime it.......If you're going to drop it in as-is, first pour in about 10-11 quarts of whatever recommended oil was for that year. Pull the plugs and roll it over with a breaker bar 25-30 revolutions. Drain it to the middle of the dipstick hashmark. You might substitute a gauge and hose for the pressure switch to see if you get 10-15 psi just rolling it over by hand.

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