Tuning 4.9l engine
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Cadillac Powertrain Control Module (PCM) Tuning Discussion, Tuning 4.9l engine in Cadillac Engine Technical Discussion; I've been researching a few OBD1 tuning softwares, they don't list my engine. Can anyone recommend a a program for ...
  1. #1
    bandit600 is offline Cadillac Owners Fanatic
    Automobile(s): 1991 Cadillac Fleetwood 60 Special
    Join Date
    Mar 2007
    Location
    Montreal, Quebec, Canada
    Posts
    230

    Tuning 4.9l engine

    I've been researching a few OBD1 tuning softwares, they don't list my engine. Can anyone recommend a a program for me? I'm not really looking for better performance, i want to try tuning for better driveability/mileage. Also to be able to detect any problems with the engine/sensors, etc...

    Thanks,
    Shane.

    1992 Fleetwood 60 Special

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  3. #2
    N0DIH's Avatar
    N0DIH is offline Cadillac Owners Master
    Automobile(s): 94 Fleetwood Brougham
    Join Date
    Aug 2004
    Location
    Rockford, IL
    Age
    47
    Posts
    7,498

    Re: Tuning 4.9l engine

    Currently no one offers a real tuning solution for the 90-95 4.5L/4.9L V8.

    There are a couple hacks there for speed limiter, but I think that is about it. It isn't as easy as most think to do, else it would have been done.

    Call Lyndon Wester (Wester's Garage) and see what he can recommend.

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