76 deville 500 upgrades

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500, 472, 425, 368 Discussion, 76 deville 500 upgrades in Cadillac Engine Discussion; Hey I was wondering if you guys could suggest a good order to do things. This is all I am ...
  1. #1
    rnunez76's Avatar
    rnunez76 is offline Cadillac Owners Fanatic
    Join Date
    Aug 2003
    Austin Texas

    Talking76 deville 500 upgrades

    Hey I was wondering if you guys could suggest a good order to do things.
    This is all I am planning to do to my lac for performance.

    I just had my engine and tranny rebuilt and now want to up it up a little.

    I want to
    1) Put some headers from mts. and dual 3 inch piping with a x pipe in the middle.
    2) change out the cam for either a #5 series or a #10 series cam also from MTS.
    3) Since I am going to change the cam I thought I might as well put in the edlebrock performer intake. also

    Does that seem that it will give a slight to moderate increase in performance? Should I do the exhaust first or the cam/intake first? are there any other inexpensive things I can do to the motor?

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  3. #2
    Allante North *'s Avatar
    Allante North * is offline Banned
    Automobile(s): 1993 Triple Black Allante
    Join Date
    Dec 2002
    Rocky Top Tennessee

    Re: 76 deville 500 upgrades

    Sounds like you have a pretty good plan put together already. I would start with the exhaust, then go for the intake/cam if you feel the need. Good Luck!

  4. #3
    davesdeville's Avatar
    davesdeville is offline Banned
    Automobile(s): 1995 ETC, 75 Deville, Cad500 powered 73 Apollo, 94 Mark VIII
    Join Date
    Aug 2003
    Albuquerque, NM

    Re: 76 deville 500 upgrades

    If you put the cam in first, the stock intake will be the limiting factor. If you put the intake on first, the stock cam will probably be the limiting factor. So you'd make more power sooner with the intake. The headers and exhaust will probably not give you as much more power as the intake and cam, but it should sound cool. These are some pretty good basic mods. For what it's worth, another inexpensive thing to add would be a good nitrous kit, that'd be worth more power than the other mods.

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  6. #4
    Imprl59 is offline Cadillac Owners Fanatic
    Join Date
    Jan 2004

    Re: 76 deville 500 upgrades

    I would start with the exhaust. If nothing else it will sound faster If you still have a single exhaust now it would be a big bottleneck for any other mods you intend to make. I would do the cam and intake at the same time if you can since so many of the same things have to be removed to change them both.

    Steve B.

  7. #5
    Mystical_Ice's Avatar
    Mystical_Ice is offline Cadillac Owners Connoisseur
    Automobile(s): 1959 Cadillac, 1980 Cadillac,Former 2005 CTS-V; now a 2009 V
    Join Date
    Jun 2004
    Houston, TX

    Re: 76 deville 500 upgrades

    anything you want for a cadillac 500 engine, as far as performance parts go:


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