1976 Coupe De Ville

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RWD 19xx-1984 DeVille and Fleetwood,
1985-1996 Fleetwood and Brougham Forum Discussion, 1976 Coupe De Ville in Past Cadillac Vehicle Discussion; Its been standing for some 5 years. It had stabiliser put in the gas tank and it fired up about ...
  1. #1
    blueboy is offline Cadillac Owners Fanatic
    Join Date
    Apr 2005
    nashville, tn

    1976 Coupe De Ville

    Its been standing for some 5 years. It had stabiliser put in the gas tank and it fired up about a year ago. I'm concerned about the timing gears. The main sprocket is made of plastic. I have purchased a royes steel replacement. I have very little experience with these old 500ci engines and am wondering what the job entails to replace said timing gears. I have had a lot of suggestions from, 'don't try to fix what ain't broke!', to 'don't try to crank that thing with that old plastic timing gear. If it breaks the engine is history and will need total rebuild!'. I have also been advised that while stripping the front to replace the timing gears I should replace the camshaft as its accessible at the time of stripping down the front of the engine. Comments please.

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  3. #2
    csbuckn is offline Cadillac Owners Master
    Automobile(s): 84 Coupe w/500
    Join Date
    Jan 2008
    I wouldnt worry about the gears. The cam cant be changed without taking the intake off to take the lifters out. The problem with this job is the crank sprocket. It gets seized on and sometimes has to be cut off. Both mine did.

  4. #3
    77CDV's Avatar
    77CDV is offline Cadillac Owners 10000+ Posts
    Automobile(s): 77 CDV, 06 DTS III, 69 FWB
    Join Date
    Mar 2006
    Newbury Park, CA

    Re: 1976 Coupe De Ville

    Absent an overwhelming reason, I'd leave well alone.

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  6. #4
    The Ape Man's Avatar
    The Ape Man is offline Cadillac Owners Connoisseur
    Automobile(s): '80 Fleetwood Coupe, 1994 and 1995 Mercedes 140 Coupe
    Join Date
    Feb 2005
    Southern NJ

    Re: 1976 Coupe De Ville

    The camshafts on real Cadillac engines are tough as nails and have a very easy life.

    It is not a 78 Chevy 305.

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