Question about 1998 Buick Riviera
My supercharged '98 Riviera has about 73k miles on it and I'm *SURE* it hasn't had anything done to it besides regular oil changes, brakes, and new tires in the last 50k miles.
Problem: It doesn't accelerate like it used to. When I hit the gas pedal, I used to feel some serious g's as I was thrown back into my seat... this doesn't happen anymore.
Attempted Solution: I took it to a mechanic to ask about a tuneup, but he said it looks fine and doesn't need anything just yet.
Anyone have any ideas as to what kind of maintenance should be done that this mechanic claims is "unnecessary", or what might be going wrong? I'm thinking about bringing it to the dealership to see what they say...
If the car is ECM controlled , the mechanic is right about a tune up
as the ECM tunes the engine 60 times a minute
plugs will last almost the life of the engine
what is suggested is that you have the fault codes read first , then check the cat converters for failure
when operating at the correct temp and then immersed in cold water , snow( below zero road conditions ) or the like , the core fractures and tends to block the exhaust flow
with the car on a hoist , if you hit the cat with your hand and it rattles , that could be one area that needs attention
Posted on Mar 25, 2017
Fuel filter, air filter, fuel injection put some gas tank.
Posted on Mar 25, 2017
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Posted on Jan 02, 2017
SOURCE: supercharger maintenance
On the let front of the Supercharger there is a small level plug that is eay to remove, Whatever you do,,,do not overfill. The oil is only available through the dealer at about seven dollars for a couple of ounces. Takes about ten minutes. Good luck
Posted on Feb 02, 2009
SOURCE: 95 buick riviera supercharger
you can not put a regular 3800 intake in place of the 3800 super charged engine,the compression ratio is lower than the regular 3800 engine.......!
Posted on Feb 16, 2009
you will most probably need a beefed up tranny to take the power of the engine, I have just installed a 350 supercharged chevy motor in my sons car with a Turbo 350 transmission and a shift kit which I have been told by an auto trans mechanic may not take the power of that engine.
It is costing him $1500 australian to have it reconditioned so I hope it will survive the rides
Posted on May 10, 2009
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