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  1. Lesabre Related Question

    General Tech
    Need to know how much power a stock 4t60-e can handle I know their pretty weak but how weak. If I replace it with the HD will I have any problems (92 Lesabre). Would like to get lowering springs, or coilovers, but can't find any, so if anyone knows where to pick some up let me know. Any answers...
  2. Rough Idle, low power

    DTC's, Problems & Troubleshooting
    I have a 1993 LeSabre Limited with a 3800 Series I. Recently I have been experiencing poor acceleration and an intermittent rough idle. I have replaced the following: Fuel Pump, Sending Unit, Trans Vacuum Modulator, Mass Airflow Sensor, Fuel Pressure Regulator, Intake Manifold Gaskets, Spark...
  3. 2005 Buick LeSabre for Sale with bad Trans

    For Sale
    I have a 2005 Buick with approximately 105,000 miles for sale. White Blue cloth interior pw, pdl, abs, am/fm/cd, etc. The problems: 1. Transmission failure. No gears will engage and the axles are locked. 2. Fails emissions. Probably needs a new Cat at a minimum based on diagnosis. 3. All...
  4. Twin turbo or Single Lesabre

    Hey so Ive been playing with the idea of after college putting turbo(s) on my 2000 Lesabre N/A. First off i was thinking of grabbing a newer 3800 before i turbo it. The reason i was thinking Twin was because if i use smallerish ones i would be able to keep the acoustics close to the stock. on...
  5. is it a 3.8 or a 3.0?

    Naturally Aspirated
    Hi I am new and stupis here and just spent more then one hour googling this question so I will ask here I am looking at buying a 1991 buick lesabre custom it is 4 door and when you look under the totaly awasome corvette style hood all it says on the engine is "fuel injection" it looks almost...